The Willy Report

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Somewhere in December 2013, a number of traders including myself began noticing suspicious bot behavior on Mt. Gox. Basically, a random number between 10 and 20 bitcoin would be bought every 5-10 minutes, non-stop, for at least a month on end until the end of January. The bot was dubbed “Willy” at some point, which is the name I’ll continue to use here. Since Willy was buying in such a recognizable pattern, I figured it would be easy to find in the Mt. Gox trading logs that were leaked about two months ago (there’s a torrent of the data here). However, the logs only went as far as November 2013; luckily, I was able to detect the buying pattern in the last few days of November. Below is a compiled log of its trades on the last two days of November (from the file “2013-11_mtgox_japan.csv”):

29-11-2013 0:07 - UID: 817985 Type: buy Currency: USD BTC: 16.61124644 Fiat: 18709.3129-11-2013 0:12 - UID: 817985 Type: buy Currency: USD BTC: 17.49854918 Fiat: 19402.829-11-2013 0:20 - UID: 817985 Type: buy Currency: USD BTC: 12.01301395 Fiat: 13346.4629-11-2013 0:30 - UID: 817985 Type: buy Currency: USD BTC: 14.04190796 Fiat: 15172.0529-11-2013 0:33 - UID: 817985 Type: buy Currency: USD BTC: 18.03482617 Fiat: 19785.7629-11-2013 0:38 - UID: 817985 Type: buy Currency: USD BTC: 10.02069695 Fiat: 11011.5429-11-2013 0:47 - UID: 817985 Type: buy Currency: USD BTC: 16.80501168 Fiat: 18256.0729-11-2013 0:56 - UID: 817985 Type: buy Currency: USD BTC: 13.46333525 Fiat: 15078.5829-11-2013 1:01 - UID: 817985 Type: buy Currency: USD BTC: 14.60390798 Fiat: 16324.4629-11-2013 1:10 - UID: 817985 Type: buy Currency: USD BTC: 18.89383201 Fiat: 21909.6129-11-2013 1:15 - UID: 817985 Type: buy Currency: USD BTC: 12.63500728 Fiat: 14339.3929-11-2013 1:21 - UID: 817985 Type: buy Currency: USD BTC: 15.36861265 Fiat: 17395.329-11-2013 1:30 - UID: 817985 Type: buy Currency: USD BTC: 13.69985504 Fiat: 15469.1429-11-2013 1:40 - UID: 817985 Type: buy Currency: USD BTC: 16.24860284 Fiat: 18411.3529-11-2013 1:46 - UID: 817985 Type: buy Currency: USD BTC: 13.08811052 Fiat: 14901.3829-11-2013 1:53 - UID: 817985 Type: buy Currency: USD BTC: 15.95674773 Fiat: 18116.9729-11-2013 2:01 - UID: 817985 Type: buy Currency: USD BTC: 13.37224115 Fiat: 15224.9729-11-2013 2:10 - UID: 817985 Type: buy Currency: USD BTC: 19.88618992 Fiat: 22699.3729-11-2013 2:16 - UID: 817985 Type: buy Currency: USD BTC: 14.53897264 Fiat: 17228.6829-11-2013 2:24 - UID: 817985 Type: buy Currency: USD BTC: 13.06074749 Fiat: 15496.6529-11-2013 2:31 - UID: 817985 Type: buy Currency: USD BTC: 17.2701824 Fiat: 20845.5229-11-2013 2:40 - UID: 817985 Type: buy Currency: USD BTC: 12.01285719 Fiat: 14394.1929-11-2013 2:46 - UID: 817985 Type: buy Currency: USD BTC: 19.62848432 Fiat: 23689.59

29-11-2013 2:51 - UID: 817985 Type: buy Currency: USD BTC: 13.97077125 Fiat: 16812.9529-11-2013 2:59 - UID: 817985 Type: buy Currency: USD BTC: 19.77464431 Fiat: 23685.6129-11-2013 3:09 - UID: 817985 Type: buy Currency: USD BTC: 10.17565522 Fiat: 12203.2929-11-2013 3:16 - UID: 817985 Type: buy Currency: USD BTC: 11.89824686 Fiat: 14354.3929-11-2013 3:22 - UID: 817985 Type: buy Currency: USD BTC: 16.92208158 Fiat: 20475.4729-11-2013 3:30 - UID: 817985 Type: buy Currency: USD BTC: 18.01251461 Fiat: 21922.5829-11-2013 3:30 - UID: 817985 Type: buy Currency: USD BTC: 10.02355348 Fiat: 12202.5729-11-2013 3:40 - UID: 817985 Type: buy Currency: USD BTC: 11.82919942 Fiat: 14420.0329-11-2013 3:49 - UID: 817985 Type: buy Currency: USD BTC: 16.60023461 Fiat: 20132.0429-11-2013 3:55 - UID: 817985 Type: buy Currency: USD BTC: 15.49602936 Fiat: 18765.4829-11-2013 4:01 - UID: 817985 Type: buy Currency: USD BTC: 17.65075674 Fiat: 21445.2829-11-2013 4:07 - UID: 817985 Type: buy Currency: USD BTC: 18.53672501 Fiat: 22522.7129-11-2013 4:16 - UID: 817985 Type: buy Currency: USD BTC: 18.75286685 Fiat: 22811.5629-11-2013 4:23 - UID: 817985 Type: buy Currency: USD BTC: 13.63520597 Fiat: 16562.4929-11-2013 4:30 - UID: 817985 Type: buy Currency: USD BTC: 15.62419978 Fiat: 18944.8729-11-2013 4:36 - UID: 817985 Type: buy Currency: USD BTC: 15.79170067 Fiat: 19199.0629-11-2013 4:43 - UID: 817985 Type: buy Currency: USD BTC: 18.89923939 Fiat: 23000.0829-11-2013 4:51 - UID: 817985 Type: buy Currency: USD BTC: 16.34994209 Fiat: 19904.3929-11-2013 4:57 - UID: 817985 Type: buy Currency: USD BTC: 18.7209293 Fiat: 22795.3329-11-2013 5:05 - UID: 817985 Type: buy Currency: USD BTC: 15.50620213 Fiat: 18899.7729-11-2013 5:13 - UID: 817985 Type: buy Currency: USD BTC: 15.59664646 Fiat: 19027.9129-11-2013 5:23 - UID: 817985 Type: buy Currency: USD BTC: 12.56276157 Fiat: 15388.9129-11-2013 5:29 - UID: 817985 Type: buy Currency: USD BTC: 14.04396668 Fiat: 17305.029-11-2013 5:39 - UID: 817985 Type: buy Currency: USD BTC:

13.16447397 Fiat: 16265.3929-11-2013 5:45 - UID: 817985 Type: buy Currency: USD BTC: 19.63167392 Fiat: 24360.5229-11-2013 5:47 - UID: 817985 Type: buy Currency: USD BTC: 34.85910959 Fiat: 43216.5929-11-2013 5:55 - UID: 817985 Type: buy Currency: USD BTC: 19.80220521 Fiat: 24523.9229-11-2013 6:04 - UID: 817985 Type: buy Currency: USD BTC: 10.87170032 Fiat: 13331.8829-11-2013 6:12 - UID: 817985 Type: buy Currency: USD BTC: 19.25670756 Fiat: 22708.5129-11-2013 6:20 - UID: 817985 Type: buy Currency: USD BTC: 15.05498001 Fiat: 17803.1129-11-2013 6:29 - UID: 817985 Type: buy Currency: USD BTC: 14.44375047 Fiat: 17089.2329-11-2013 6:35 - UID: 817985 Type: buy Currency: USD BTC: 10.52426339 Fiat: 12522.9729-11-2013 6:41 - UID: 817985 Type: buy Currency: USD BTC: 18.05786208 Fiat: 21528.4429-11-2013 6:46 - UID: 817985 Type: buy Currency: USD BTC: 17.39444127 Fiat: 20934.3429-11-2013 6:54 - UID: 817985 Type: buy Currency: USD BTC: 17.20876392 Fiat: 20633.329-11-2013 7:00 - UID: 817985 Type: buy Currency: USD BTC: 16.67368578 Fiat: 19924.7529-11-2013 7:06 - UID: 817985 Type: buy Currency: USD BTC: 12.39969573 Fiat: 14689.2829-11-2013 7:13 - UID: 817985 Type: buy Currency: USD BTC: 10.91316183 Fiat: 12937.4329-11-2013 7:18 - UID: 817985 Type: buy Currency: USD BTC: 15.98972799 Fiat: 18883.8329-11-2013 7:27 - UID: 817985 Type: buy Currency: USD BTC: 13.54072839 Fiat: 16071.6729-11-2013 7:37 - UID: 817985 Type: buy Currency: USD BTC: 10.45503358 Fiat: 12385.4329-11-2013 7:47 - UID: 817985 Type: buy Currency: USD BTC: 18.20603343 Fiat: 20819.2329-11-2013 7:53 - UID: 817985 Type: buy Currency: USD BTC: 18.83595128 Fiat: 21904.4829-11-2013 8:00 - UID: 817985 Type: buy Currency: USD BTC: 15.0750934 Fiat: 17345.4329-11-2013 8:06 - UID: 817985 Type: buy Currency: USD BTC: 10.11011542 Fiat: 11381.0629-11-2013 8:15 - UID: 817985 Type: buy Currency: USD BTC: 15.75971237 Fiat: 17921.9229-11-2013 8:25 - UID: 817985 Type: buy Currency: USD BTC: 13.48403455 Fiat: 15319.02

29-11-2013 8:33 - UID: 817985 Type: buy Currency: USD BTC: 11.08880449 Fiat: 12644.9929-11-2013 8:41 - UID: 817985 Type: buy Currency: USD BTC: 13.63526727 Fiat: 15787.6429-11-2013 8:45 - UID: 817985 Type: buy Currency: USD BTC: 10.82373667 Fiat: 12533.5729-11-2013 8:50 - UID: 817985 Type: buy Currency: USD BTC: 19.65325344 Fiat: 22850.5429-11-2013 8:57 - UID: 817985 Type: buy Currency: USD BTC: 13.88914372 Fiat: 16105.9129-11-2013 9:03 - UID: 817985 Type: buy Currency: USD BTC: 18.74418881 Fiat: 21587.2429-11-2013 9:11 - UID: 817985 Type: buy Currency: USD BTC: 19.67738969 Fiat: 22763.0529-11-2013 9:12 - UID: 817985 Type: buy Currency: USD BTC: 17.58650996 Fiat: 20347.4329-11-2013 9:21 - UID: 817985 Type: buy Currency: USD BTC: 17.59577249 Fiat: 20672.0629-11-2013 9:29 - UID: 817985 Type: buy Currency: USD BTC: 14.05455688 Fiat: 16458.3729-11-2013 9:35 - UID: 817985 Type: buy Currency: USD BTC: 19.01726088 Fiat: 22303.4129-11-2013 9:41 - UID: 817985 Type: buy Currency: USD BTC: 10.06994277 Fiat: 11801.6829-11-2013 9:51 - UID: 817985 Type: buy Currency: USD BTC: 10.5774268 Fiat: 12365.3529-11-2013 9:57 - UID: 817985 Type: buy Currency: USD BTC: 13.49741432 Fiat: 15736.3529-11-2013 10:05 - UID: 817985 Type: buy Currency: USD BTC: 19.63499119 Fiat: 23010.3429-11-2013 10:13 - UID: 817985 Type: buy Currency: USD BTC: 12.47632882 Fiat: 14556.7229-11-2013 10:20 - UID: 817985 Type: buy Currency: USD BTC: 18.68312623 Fiat: 22006.4729-11-2013 10:26 - UID: 817985 Type: buy Currency: USD BTC: 18.37831558 Fiat: 21679.8129-11-2013 10:34 - UID: 817985 Type: buy Currency: USD BTC: 12.4888529 Fiat: 14767.5529-11-2013 10:40 - UID: 817985 Type: buy Currency: USD BTC: 11.34446761 Fiat: 13438.4429-11-2013 10:49 - UID: 817985 Type: buy Currency: USD BTC: 16.49498196 Fiat: 19570.7729-11-2013 10:57 - UID: 817985 Type: buy Currency: USD BTC: 15.93523608 Fiat: 18930.2229-11-2013 11:06 - UID: 817985 Type: buy Currency: USD BTC: 11.48091307 Fiat: 13604.7829-11-2013 11:13 - UID: 817985 Type: buy Currency: USD

BTC: 16.71374657 Fiat: 19638.6529-11-2013 11:19 - UID: 817985 Type: buy Currency: USD BTC: 13.314331 Fiat: 15712.6229-11-2013 11:26 - UID: 817985 Type: buy Currency: USD BTC: 17.94983239 Fiat: 21250.1629-11-2013 11:33 - UID: 817985 Type: buy Currency: USD BTC: 19.74713617 Fiat: 23497.1529-11-2013 11:42 - UID: 817985 Type: buy Currency: USD BTC: 14.59160401 Fiat: 17352.8929-11-2013 11:52 - UID: 817985 Type: buy Currency: USD BTC: 19.64253071 Fiat: 23361.4529-11-2013 11:59 - UID: 817985 Type: buy Currency: USD BTC: 19.65993844 Fiat: 23394.7329-11-2013 12:09 - UID: 817985 Type: buy Currency: USD BTC: 14.71130843 Fiat: 17388.7229-11-2013 12:15 - UID: 817985 Type: buy Currency: USD BTC: 19.76252964 Fiat: 23328.929-11-2013 12:23 - UID: 817985 Type: buy Currency: USD BTC: 12.06726289 Fiat: 14234.8429-11-2013 12:30 - UID: 817985 Type: buy Currency: USD BTC: 15.83366576 Fiat: 18557.0429-11-2013 12:39 - UID: 817985 Type: buy Currency: USD BTC: 17.98847019 Fiat: 21178.8329-11-2013 12:47 - UID: 817985 Type: buy Currency: USD BTC: 18.53392583 Fiat: 21814.2329-11-2013 12:55 - UID: 817985 Type: buy Currency: USD BTC: 12.77153051 Fiat: 15008.8529-11-2013 13:02 - UID: 817985 Type: buy Currency: USD BTC: 16.90569845 Fiat: 19836.0929-11-2013 13:08 - UID: 817985 Type: buy Currency: USD BTC: 18.47123781 Fiat: 21621.6629-11-2013 13:14 - UID: 817985 Type: buy Currency: USD BTC: 9.93244627 Fiat: 11568.1229-11-2013 13:45 - UID: 825654 Type: buy Currency: USD BTC: 18.79557876 Fiat: 21371.6229-11-2013 13:52 - UID: 825654 Type: buy Currency: USD BTC: 12.71162987 Fiat: 14474.3229-11-2013 14:00 - UID: 825654 Type: buy Currency: USD BTC: 15.67604897 Fiat: 18208.3729-11-2013 14:07 - UID: 825654 Type: buy Currency: USD BTC: 11.61635792 Fiat: 13424.0429-11-2013 14:17 - UID: 825654 Type: buy Currency: USD BTC: 10.51481837 Fiat: 12108.7829-11-2013 14:23 - UID: 825654 Type: buy Currency: USD BTC: 12.59282301 Fiat: 14543.6229-11-2013 14:31 - UID: 825654 Type: buy Currency: USD BTC: 13.7558154 Fiat: 16071.99

29-11-2013 14:37 - UID: 825654 Type: buy Currency: USD BTC: 18.411939 Fiat: 21398.7629-11-2013 14:44 - UID: 825654 Type: buy Currency: USD BTC: 15.73691148 Fiat: 18315.4929-11-2013 14:50 - UID: 825654 Type: buy Currency: USD BTC: 11.06990527 Fiat: 12870.2929-11-2013 14:55 - UID: 825654 Type: buy Currency: USD BTC: 15.13698029 Fiat: 17571.9529-11-2013 15:02 - UID: 825654 Type: buy Currency: USD BTC: 15.96939932 Fiat: 18535.8529-11-2013 15:10 - UID: 825654 Type: buy Currency: USD BTC: 13.09843063 Fiat: 15233.2629-11-2013 15:19 - UID: 825654 Type: buy Currency: USD BTC: 18.99058619 Fiat: 22124.0329-11-2013 15:28 - UID: 825654 Type: buy Currency: USD BTC: 17.15408501 Fiat: 20145.5529-11-2013 15:36 - UID: 825654 Type: buy Currency: USD BTC: 17.99074054 Fiat: 21012.4829-11-2013 15:42 - UID: 825654 Type: buy Currency: USD BTC: 14.6070079 Fiat: 17031.7529-11-2013 15:47 - UID: 825654 Type: buy Currency: USD BTC: 18.30133665 Fiat: 21417.1429-11-2013 15:54 - UID: 825654 Type: buy Currency: USD BTC: 17.41321162 Fiat: 20402.4529-11-2013 16:01 - UID: 825654 Type: buy Currency: USD BTC: 19.29996588 Fiat: 22601.229-11-2013 16:10 - UID: 825654 Type: buy Currency: USD BTC: 14.91417585 Fiat: 17454.3429-11-2013 16:15 - UID: 825654 Type: buy Currency: USD BTC: 10.19876238 Fiat: 11901.9629-11-2013 16:24 - UID: 825654 Type: buy Currency: USD BTC: 15.52903092 Fiat: 18089.7229-11-2013 16:31 - UID: 825654 Type: buy Currency: USD BTC: 14.62573019 Fiat: 17111.3729-11-2013 16:39 - UID: 825654 Type: buy Currency: USD BTC: 10.74214399 Fiat: 12557.4229-11-2013 16:48 - UID: 825654 Type: buy Currency: USD BTC: 13.21060309 Fiat: 15459.329-11-2013 16:54 - UID: 825654 Type: buy Currency: USD BTC: 13.41839732 Fiat: 15713.0329-11-2013 17:02 - UID: 825654 Type: buy Currency: USD BTC: 17.25843762 Fiat: 20250.1629-11-2013 17:09 - UID: 825654 Type: buy Currency: USD BTC: 18.45416964 Fiat: 21683.1929-11-2013 17:14 - UID: 825654 Type: buy Currency: USD BTC: 10.74488558 Fiat: 12625.19

29-11-2013 17:23 - UID: 825654 Type: buy Currency: USD BTC: 18.63318053 Fiat: 21892.429-11-2013 17:29 - UID: 825654 Type: buy Currency: USD BTC: 16.31984872 Fiat: 19137.4129-11-2013 17:39 - UID: 825654 Type: buy Currency: USD BTC: 12.31901602 Fiat: 14400.8929-11-2013 17:47 - UID: 825654 Type: buy Currency: USD BTC: 14.08793188 Fiat: 16230.5129-11-2013 17:55 - UID: 825654 Type: buy Currency: USD BTC: 17.3562156 Fiat: 20201.8429-11-2013 18:05 - UID: 825654 Type: buy Currency: USD BTC: 10.8083883 Fiat: 12511.0829-11-2013 18:10 - UID: 825654 Type: buy Currency: USD BTC: 12.28644964 Fiat: 14166.2829-11-2013 18:18 - UID: 825654 Type: buy Currency: USD BTC: 17.82164641 Fiat: 20570.2129-11-2013 18:26 - UID: 825654 Type: buy Currency: USD BTC: 13.42829081 Fiat: 15492.7329-11-2013 18:35 - UID: 825654 Type: buy Currency: USD BTC: 15.10806752 Fiat: 17399.729-11-2013 18:43 - UID: 825654 Type: buy Currency: USD BTC: 14.54523651 Fiat: 16697.7929-11-2013 18:51 - UID: 825654 Type: buy Currency: USD BTC: 15.41182779 Fiat: 17595.5429-11-2013 18:59 - UID: 825654 Type: buy Currency: USD BTC: 16.03618553 Fiat: 18385.7829-11-2013 19:06 - UID: 825654 Type: buy Currency: USD BTC: 14.06990663 Fiat: 16180.3229-11-2013 19:14 - UID: 825654 Type: buy Currency: USD BTC: 10.09242685 Fiat: 11648.7429-11-2013 19:24 - UID: 825654 Type: buy Currency: USD BTC: 17.85926717 Fiat: 20661.4929-11-2013 19:32 - UID: 825654 Type: buy Currency: USD BTC: 19.39954403 Fiat: 22491.1429-11-2013 19:42 - UID: 825654 Type: buy Currency: USD BTC: 18.91915997 Fiat: 21945.829-11-2013 19:48 - UID: 825654 Type: buy Currency: USD BTC: 15.82357209 Fiat: 18336.1429-11-2013 19:53 - UID: 825654 Type: buy Currency: USD BTC: 13.16543123 Fiat: 15248.8329-11-2013 20:00 - UID: 825654 Type: buy Currency: USD BTC: 17.01049417 Fiat: 19722.0929-11-2013 20:08 - UID: 825654 Type: buy Currency: USD BTC: 12.69824613 Fiat: 14716.4529-11-2013 20:17 - UID: 825654 Type: buy Currency: USD BTC: 18.94599682 Fiat: 21970.07

29-11-2013 20:27 - UID: 825654 Type: buy Currency: USD BTC: 10.29679091 Fiat: 11932.6529-11-2013 20:36 - UID: 825654 Type: buy Currency: USD BTC: 12.54354728 Fiat: 14492.6129-11-2013 20:44 - UID: 825654 Type: buy Currency: USD BTC: 13.40756181 Fiat: 15535.0529-11-2013 20:54 - UID: 825654 Type: buy Currency: USD BTC: 18.951162 Fiat: 21964.4429-11-2013 21:02 - UID: 825654 Type: buy Currency: USD BTC: 11.1864672 Fiat: 13597.229-11-2013 21:08 - UID: 825654 Type: buy Currency: USD BTC: 16.73324485 Fiat: 20030.1329-11-2013 21:09 - UID: 825654 Type: buy Currency: USD BTC: 365.54639958 Fiat: 445076.3729-11-2013 21:18 - UID: 825654 Type: buy Currency: USD BTC: 11.40279512 Fiat: 13886.8529-11-2013 21:26 - UID: 825654 Type: buy Currency: USD BTC: 16.14187328 Fiat: 19469.829-11-2013 21:32 - UID: 825654 Type: buy Currency: USD BTC: 18.56725558 Fiat: 22417.9729-11-2013 21:37 - UID: 825654 Type: buy Currency: USD BTC: 10.34232565 Fiat: 12579.0129-11-2013 21:47 - UID: 825654 Type: buy Currency: USD BTC: 12.8406845 Fiat: 15664.6729-11-2013 21:54 - UID: 825654 Type: buy Currency: USD BTC: 18.79026603 Fiat: 22923.3729-11-2013 22:01 - UID: 825654 Type: buy Currency: USD BTC: 16.36104939 Fiat: 20041.729-11-2013 22:09 - UID: 825654 Type: buy Currency: USD BTC: 16.0655953 Fiat: 19680.3529-11-2013 22:16 - UID: 825654 Type: buy Currency: USD BTC: 16.19667341 Fiat: 19843.029-11-2013 22:22 - UID: 825654 Type: buy Currency: USD BTC: 12.41187562 Fiat: 15201.9229-11-2013 22:32 - UID: 825654 Type: buy Currency: USD BTC: 15.7453163 Fiat: 19228.829-11-2013 22:39 - UID: 825654 Type: buy Currency: USD BTC: 19.474863 Fiat: 23695.429-11-2013 22:47 - UID: 825654 Type: buy Currency: USD BTC: 13.4360351 Fiat: 16348.3429-11-2013 22:54 - UID: 825654 Type: buy Currency: USD BTC: 13.89461882 Fiat: 16904.1729-11-2013 23:00 - UID: 825654 Type: buy Currency: USD BTC: 13.37700801 Fiat: 16277.229-11-2013 23:09 - UID: 825654 Type: buy Currency: USD BTC: 18.89935152 Fiat: 23027.75

29-11-2013 23:17 - UID: 825654 Type: buy Currency: USD BTC: 10.71893961 Fiat: 13023.5129-11-2013 23:27 - UID: 825654 Type: buy Currency: USD BTC: 16.28087791 Fiat: 19745.7129-11-2013 23:36 - UID: 825654 Type: buy Currency: USD BTC: 10.44124225 Fiat: 12670.7829-11-2013 23:42 - UID: 825654 Type: buy Currency: USD BTC: 17.06779399 Fiat: 20719.9229-11-2013 23:50 - UID: 825654 Type: buy Currency: USD BTC: 15.67353801 Fiat: 19001.429-11-2013 23:57 - UID: 825654 Type: buy Currency: USD BTC: 18.30551273 Fiat: 22105.5730-11-2013 0:05 - UID: 825654 Type: buy Currency: USD BTC: 14.7465593 Fiat: 17842.9730-11-2013 0:12 - UID: 825654 Type: buy Currency: USD BTC: 10.91743986 Fiat: 13206.130-11-2013 0:19 - UID: 825654 Type: buy Currency: USD BTC: 18.85139719 Fiat: 22802.6430-11-2013 0:30 - UID: 825654 Type: buy Currency: USD BTC: 12.8440375 Fiat: 15548.1730-11-2013 0:40 - UID: 825654 Type: buy Currency: USD BTC: 10.82432793 Fiat: 13182.2530-11-2013 0:49 - UID: 825654 Type: buy Currency: USD BTC: 16.70982212 Fiat: 20433.3330-11-2013 0:55 - UID: 825654 Type: buy Currency: USD BTC: 16.98828944 Fiat: 20832.8730-11-2013 1:03 - UID: 825654 Type: buy Currency: USD BTC: 16.38527861 Fiat: 20020.2230-11-2013 1:08 - UID: 825654 Type: buy Currency: USD BTC: 19.81787265 Fiat: 24276.030-11-2013 1:18 - UID: 825654 Type: buy Currency: USD BTC: 15.32413455 Fiat: 18815.530-11-2013 1:28 - UID: 825654 Type: buy Currency: USD BTC: 16.58350743 Fiat: 20377.6730-11-2013 1:33 - UID: 825654 Type: buy Currency: USD BTC: 10.76191242 Fiat: 13203.630-11-2013 1:39 - UID: 825654 Type: buy Currency: USD BTC: 16.04787045 Fiat: 19674.5430-11-2013 1:47 - UID: 825654 Type: buy Currency: USD BTC: 16.59499944 Fiat: 20345.7930-11-2013 1:54 - UID: 825654 Type: buy Currency: USD BTC: 19.07600288 Fiat: 23399.9730-11-2013 2:02 - UID: 825654 Type: buy Currency: USD BTC: 14.01038715 Fiat: 17196.7130-11-2013 2:08 - UID: 825654 Type: buy Currency: USD BTC: 16.02221002 Fiat: 19674.17

30-11-2013 2:15 - UID: 825654 Type: buy Currency: USD BTC: 17.58390508 Fiat: 21565.7330-11-2013 2:21 - UID: 825654 Type: buy Currency: USD BTC: 10.48056046 Fiat: 12857.0530-11-2013 2:27 - UID: 825654 Type: buy Currency: USD BTC: 15.91615556 Fiat: 19431.9430-11-2013 2:37 - UID: 825654 Type: buy Currency: USD BTC: 13.00761978 Fiat: 15863.7130-11-2013 2:45 - UID: 825654 Type: buy Currency: USD BTC: 12.94146576 Fiat: 15785.9230-11-2013 2:54 - UID: 825654 Type: buy Currency: USD BTC: 11.93622105 Fiat: 14613.7230-11-2013 3:03 - UID: 825654 Type: buy Currency: USD BTC: 18.7293998 Fiat: 22924.2430-11-2013 3:08 - UID: 825654 Type: buy Currency: USD BTC: 19.43363777 Fiat: 23816.6830-11-2013 3:18 - UID: 825654 Type: buy Currency: USD BTC: 14.0183542 Fiat: 17210.8330-11-2013 3:27 - UID: 825654 Type: buy Currency: USD BTC: 11.51698737 Fiat: 14123.4730-11-2013 3:36 - UID: 825654 Type: buy Currency: USD BTC: 10.78349225 Fiat: 13219.2630-11-2013 3:43 - UID: 825654 Type: buy Currency: USD BTC: 10.90814062 Fiat: 13397.9230-11-2013 3:50 - UID: 825654 Type: buy Currency: USD BTC: 10.98939842 Fiat: 13536.0630-11-2013 3:55 - UID: 825654 Type: buy Currency: USD BTC: 16.84735825 Fiat: 20738.9430-11-2013 3:56 - UID: 825654 Type: buy Currency: USD BTC: 17.98295717 Fiat: 22135.4530-11-2013 4:04 - UID: 825654 Type: buy Currency: USD BTC: 11.37111403 Fiat: 13973.2530-11-2013 4:10 - UID: 825654 Type: buy Currency: USD BTC: 17.97750513 Fiat: 22063.9130-11-2013 4:18 - UID: 825654 Type: buy Currency: USD BTC: 4.47765771 Fiat: 5511.9530-11-2013 7:25 - UID: 832432 Type: buy Currency: USD BTC: 32.35926382 Fiat: 38791.0130-11-2013 7:30 - UID: 832432 Type: buy Currency: USD BTC: 17.93753939 Fiat: 21461.8230-11-2013 7:38 - UID: 832432 Type: buy Currency: USD BTC: 13.82296075 Fiat: 16439.030-11-2013 7:48 - UID: 832432 Type: buy Currency: USD BTC: 19.31966401 Fiat: 23076.1730-11-2013 7:57 - UID: 832432 Type: buy Currency: USD BTC: 15.26746834 Fiat: 18438.77

30-11-2013 8:05 - UID: 832432 Type: buy Currency: USD BTC: 12.72143451 Fiat: 15269.7830-11-2013 8:16 - UID: 832432 Type: buy Currency: USD BTC: 14.67972632 Fiat: 17627.8230-11-2013 8:21 - UID: 832432 Type: buy Currency: USD BTC: 15.11078279 Fiat: 18219.1530-11-2013 8:26 - UID: 832432 Type: buy Currency: USD BTC: 18.33760706 Fiat: 22124.6630-11-2013 8:33 - UID: 832432 Type: buy Currency: USD BTC: 15.65679368 Fiat: 18874.1630-11-2013 8:42 - UID: 832432 Type: buy Currency: USD BTC: 10.43778336 Fiat: 12513.8330-11-2013 8:50 - UID: 832432 Type: buy Currency: USD BTC: 19.80923362 Fiat: 23861.2230-11-2013 8:59 - UID: 832432 Type: buy Currency: USD BTC: 17.91868137 Fiat: 21620.7830-11-2013 9:05 - UID: 832432 Type: buy Currency: USD BTC: 17.70558866 Fiat: 21369.7830-11-2013 9:11 - UID: 832432 Type: buy Currency: USD BTC: 15.54998274 Fiat: 18799.6730-11-2013 9:19 - UID: 832432 Type: buy Currency: USD BTC: 12.29697759 Fiat: 14878.6730-11-2013 9:27 - UID: 832432 Type: buy Currency: USD BTC: 18.03343411 Fiat: 21838.9130-11-2013 9:33 - UID: 832432 Type: buy Currency: USD BTC: 13.21652953 Fiat: 16041.4330-11-2013 9:44 - UID: 832432 Type: buy Currency: USD BTC: 17.46274022 Fiat: 21268.8230-11-2013 9:51 - UID: 832432 Type: buy Currency: USD BTC: 17.57018627 Fiat: 21330.7330-11-2013 10:01 - UID: 832432 Type: buy Currency: USD BTC: 19.90458956 Fiat: 24212.6330-11-2013 10:10 - UID: 832432 Type: buy Currency: USD BTC: 14.011528 Fiat: 16893.8230-11-2013 10:19 - UID: 832432 Type: buy Currency: USD BTC: 16.18210837 Fiat: 19561.9230-11-2013 10:29 - UID: 832432 Type: buy Currency: USD BTC: 18.34173105 Fiat: 22136.7430-11-2013 10:35 - UID: 832432 Type: buy Currency: USD BTC: 18.19262893 Fiat: 21885.5230-11-2013 10:45 - UID: 832432 Type: buy Currency: USD BTC: 11.24527636 Fiat: 13492.7830-11-2013 10:52 - UID: 832432 Type: buy Currency: USD BTC: 14.5141487 Fiat: 17416.9330-11-2013 10:58 - UID: 832432 Type: buy Currency: USD BTC: 15.805611 Fiat: 18978.39

30-11-2013 11:06 - UID: 832432 Type: buy Currency: USD BTC: 14.96578741 Fiat: 18108.3130-11-2013 11:13 - UID: 832432 Type: buy Currency: USD BTC: 18.49346572 Fiat: 22412.6530-11-2013 11:18 - UID: 832432 Type: buy Currency: USD BTC: 12.77630467 Fiat: 15500.8530-11-2013 11:25 - UID: 832432 Type: buy Currency: USD BTC: 13.70319422 Fiat: 16621.7230-11-2013 11:35 - UID: 832432 Type: buy Currency: USD BTC: 14.95640049 Fiat: 18120.9530-11-2013 11:41 - UID: 832432 Type: buy Currency: USD BTC: 15.29944656 Fiat: 18544.7230-11-2013 11:51 - UID: 832432 Type: buy Currency: USD BTC: 14.10583655 Fiat: 17073.1830-11-2013 11:58 - UID: 832432 Type: buy Currency: USD BTC: 14.50627441 Fiat: 17560.130-11-2013 12:03 - UID: 832432 Type: buy Currency: USD BTC: 13.07979536 Fiat: 15865.6630-11-2013 12:13 - UID: 832432 Type: buy Currency: USD BTC: 11.88053668 Fiat: 14411.0430-11-2013 12:20 - UID: 832432 Type: buy Currency: USD BTC: 11.46523059 Fiat: 13913.030-11-2013 12:30 - UID: 832432 Type: buy Currency: USD BTC: 19.89610521 Fiat: 24187.39Some notes on how I obtained this data: first, I removed all exact duplicate entries from the log. As noted in an earlier analysis, trades that involved a user ID “THK” – whose likely role was to facilitate cross-currency trades – were erroneously duplicated in the logs. Second, since the log contains an entry for each individual user-to-user trade, I aggregated every pair of trades involving the same user that occurred within 2 seconds from each other, assuming these belonged to the same market buy/sell (2 seconds to account for trading engine lag, which God knows was sometimes enormous on Mt. Gox).

You may note that these are actually multiple user IDs (denoted with “UID”); Willy was not a single account, its trading activity was spread over many accounts. Perhaps this is why others had been unable to find him in the database: there were plenty of people who knew

of its existence (in fact the OP of this thread allegedly coined the name “Willy”). I noticed here that all of these accounts had one thing in common; the User_Country and User_State field both had “??” as entry. This was unusual. Normally, these fields contained country/state FIPS codes (for verified users?), nothing (unverified users?), or “!!” (users who failed verification or suspicious users?).

So I went back and gathered all of these “??” users, aggregated their trades, and summed the amount of BTC that each of these accounts bought (they never performed a single sell). They seamlessly connected to each other: when one user became inactive, the next became active usually within a few hours. Their trading activity went back all the way to September 27th. The full record of trades you can see below:

And a compilation of when each account was active, how much BTC they bought, and how much USD they spent, with some totals at the bottom:

User_ID: 807884User: a6e1c702-e6b2-4585-bdaf-d1f00e6e7db2Start: 27-9-2013 13:41End: 1-10-2013 0:30BTC bought: 17650.499699839987USD spent: 2500000.0User_ID: 658152User: c1ac7aeb-ac34-49cd-8363-c4bcb36a2b9fStart: 10-10-2013 0:49End: 15-10-2013 1:53BTC bought: 17348.26542219USD spent: 2500000.0

User_ID: 659582User: b337d02a-ccd5-4323-933d-35e59d228825Start: 16-10-2013 1:45End: 18-10-2013 11:14BTC bought: 15695.016063759997USD spent: 2500000.0

User_ID: 661608User: 8bb6ff26-6075-42d3-86d5-57479005393fStart: 18-10-2013 11:19End: 22-10-2013 9:06BTC bought: 14137.102515370016USD spent: 2500000.0

User_ID: 665654User: cd028348-2fab-4d27-918e-7bdb1b5c0f87Start: 22-10-2013 22:41End: 24-10-2013 14:24BTC bought: 11785.470819779992USD spent: 2500000.0

User_ID: 683148User: ec41774a-40f3-4137-ad10-485f5a908713Start: 31-10-2013 14:44End: 3-11-2013 19:18BTC bought: 2338.136038199999USD spent: 500000.0

User_ID: 689932User: 5b9a963d-5464-4e51-8cc9-5111a720438eStart: 3-11-2013 21:47End: 5-11-2013 7:48BTC bought: 4295.211475280002USD spent: 1000000.0

User_ID: 693122User: 9684c216-e22b-43cf-b459-a6f0e2612eccStart: 5-11-2013 10:53End: 5-11-2013 19:23BTC bought: 8004.7593425999985USD spent: 2000000.0

User_ID: 694306User: 183cb226-805a-424c-ac47-6f75da0c29d0Start: 5-11-2013 21:10End: 6-11-2013 5:44BTC bought: 7758.135409959999USD spent: 2000000.0

User_ID: 695340User: 19fa7832-f8ec-4469-abf1-110b357427baStart: 6-11-2013 8:55End: 7-11-2013 1:43BTC bought: 7484.876661749997USD spent: 2000000.0

User_ID: 697722User: 2d57a99f-440f-4f8e-b057-3feb9730570eStart: 7-11-2013 2:44End: 7-11-2013 7:50BTC bought: 7208.510708029999USD spent: 2000000.0

User_ID: 698233User: c51e5582-6c1c-4604-9c7c-115238790585Start: 7-11-2013 7:51End: 7-11-2013 8:53BTC bought: 6680.48314664USD spent: 2000000.0

User_ID: 698232User: c7dc8e2f-6df4-4e4e-8ace-f462149e6e07Start: 7-11-2013 8:54End: 7-11-2013 12:09BTC bought:

6493.8715531100015USD spent: 2000000.0

User_ID: 698234User: d51a14e2-394b-4c41-9f5e-085e3b98325fStart: 7-11-2013 12:19End: 7-11-2013 18:13BTC bought: 6399.817139579998USD spent: 2000000.0

User_ID: 698235User: fa9c07f5-735e-4a87-97e6-6fd3cfdca17dStart: 7-11-2013 20:51End: 8-11-2013 5:39BTC bought: 6304.176509520001USD spent: 2000000.0

User_ID: 698236User: 5ed399c7-c11c-4c6e-abcd-364d6414cb02Start: 8-11-2013 5:40End: 8-11-2013 15:15BTC bought: 5953.879400680001USD spent: 2000000.0

User_ID: 698237User: b0b7265f-6931-4b30-a930-de973b9b9510Start: 8-11-2013 16:34End: 9-11-2013 4:37BTC bought: 5607.055404489999USD spent: 2000000.0

User_ID: 698238User: 4ed5f33a-a13b-4db3-a659-3fcad1ca5d53Start: 9-11-2013 4:39End: 9-11-2013 16:51BTC bought: 5285.208888800002USD spent: 2000000.0

User_ID: 711137User: ecb9c65c-f113-4b94-b63d-41d88e706ebdStart: 11-11-2013 14:04End: 12-11-2013 16:18BTC bought: 6660.420008660001USD spent: 2500000.0

User_ID: 714565User: a3399aa1-cdd3-4d50-a2a4-229feb2259bbStart: 12-11-2013 22:02End: 13-11-2013 12:44BTC bought: 6387.8331302USD spent: 2500000.0

User_ID: 716004User: 0bfca7b2-9de0-4d50-9d1d-f4fe667556eeStart: 13-11-2013 12:45End: 14-11-2013 6:51BTC bought: 5794.91672502USD spent: 2500000.0

User_ID: 718998User: 5b3652de-aa0a-47c8-9954-9e53a1cc1c6dStart: 14-11-2013 7:46End: 15-11-2013 6:55BTC bought: 5758.582959810001USD spent: 2500000.0

User_ID: 722068User: cfda00e4-503e-43fa-8a86-c414279a81deStart: 15-11-2013 7:44End: 16-11-2013 1:24BTC bought: 5630.80601376USD spent: 2500000.0

User_ID: 724340User: c5df9deb-4171-4bf0-bf7f-3647f8e57e5aStart: 16-11-2013 1:46End: 16-11-2013 13:31BTC bought: 5495.414424899998USD spent: 2500000.0

User_ID: 726910User: b2430707-6866-4c46-98f4-2fea152a6e85Start: 17-11-2013 2:57End: 18-11-2013 3:42BTC bought: 4972.295616120003USD spent: 2500000.0

User_ID: 730861User: ce86c3bf-7d64-40de-90fd-4ba11e3fa7f2Start: 18-11-2013 4:57End: 18-11-2013 15:56BTC bought: 4111.587976729998USD spent: 2500000.0

User_ID: 734205User: f8f453b0-d032-4379-9e26-bd2556aa7efbStart: 18-11-2013 15:56End: 18-11-2013 23:22BTC bought: 3503.938536650001USD spent: 2500000.0

User_ID: 739116User: b12011c2-79db-45a1-a37e-273dc7bd09d9Start: 18-11-2013 23:23End: 19-11-2013 2:30BTC bought: 3450.1067858300007USD spent: 2500000.0

User_ID: 742432User: f85c6426-f882-437c-bc6e-4e5e5a2f716fStart: 19-11-2013 3:26End: 19-11-2013 9:06BTC bought: 3180.9330143899992USD spent: 2500000.0

User_ID: 746069User: 7319d419-8a5a-4f0f-84c5-f9f2fe4cd334Start: 19-11-2013 9:15End: 19-11-2013 21:38BTC bought: 3624.4145492300004USD spent: 2500000.0

User_ID: 757154User: e3a0084f-b2ef-4b66-ae8f-a3e3c82d4b09Start: 20-11-2013 4:19End: 20-11-2013 23:41BTC bought: 4507.60437216USD spent: 2500000.0

User_ID: 764692User: 41bfd1b3-6c10-428b-9122-30f623ca46b7Start: 20-11-2013 23:42End: 21-11-2013 15:52BTC bought:

3791.486392119999USD spent: 2500000.0

User_ID: 769205User: 6acc3f4b-82a1-4e41-bb26-ac084bee1491Start: 21-11-2013 16:35End: 21-11-2013 18:53BTC bought: 3357.55845373USD spent: 2500000.0

User_ID: 770436User: 41864210-2c5e-4a91-b1d3-1cfeb6ac9e2dStart: 21-11-2013 20:43End: 22-11-2013 11:10BTC bought: 3360.3710220200014USD spent: 2500000.0

User_ID: 774567User: 8268a4ee-ad4a-49e4-8bc5-909daa30df27Start: 22-11-2013 14:33End: 23-11-2013 8:35BTC bought: 3106.99891918USD spent: 2500000.0

User_ID: 783273User: 32cb0944-8807-4bf0-9422-3d0913cad00cStart: 24-11-2013 9:16End: 25-11-2013 4:24BTC bought: 3058.3804177300003USD spent: 2500000.0

User_ID: 787018User: dfbd3ce4-6d32-48dc-91a3-c413f8bbc087Start: 25-11-2013 4:59End: 25-11-2013 20:31BTC bought: 3056.96788548USD spent: 2500000.0

User_ID: 790503User: ad8b0f62-022a-451b-b2f9-b80381a2d2b2Start: 25-11-2013 22:05End: 25-11-2013 22:36BTC bought: 3053.1381127199984USD spent: 2500000.0

User_ID: 790667User: afce8a0e-b66c-45c9-9eb0-a45bf0054352Start: 25-11-2013 22:51End: 26-11-2013 2:07BTC bought: 2976.009713619999USD spent: 2500000.0

User_ID: 791191User: be3e0f8a-a39e-4aa8-b7bf-2341fa662a4aStart: 26-11-2013 2:08End: 26-11-2013 6:53BTC bought: 2925.709154479999USD spent: 2500000.0

User_ID: 791965User: f9b4e76f-d2e5-45f3-ab62-46a1b0331345Start: 26-11-2013 7:10End: 26-11-2013 15:59BTC bought: 2843.624909139999USD spent: 2500000.0

User_ID: 793833User: d3026007-47e9-4cf0-a9a0-3bebe2ee2334Start: 26-11-2013 15:59End: 27-11-2013 0:17BTC bought: 2704.3971208099997USD spent: 2500000.0

User_ID: 796081User: 14dd541d-e49f-40a2-985c-7b38c0b5a6f5Start: 27-11-2013 0:18End: 27-11-2013 10:40BTC bought: 2590.3705495299996USD spent: 2500000.0

User_ID: 796083User: 29f6f453-d4a3-455a-8035-c1328dfff77cStart: 27-11-2013 10:40End: 27-11-2013 21:53BTC bought: 2434.2529702099996USD spent: 2500000.0

User_ID: 804879User: 7a234a13-eefc-4e2c-800d-8da30a3ed3a5Start: 27-11-2013 22:11End: 28-11-2013 4:47BTC bought: 2341.3748725799996USD spent: 2500000.0

User_ID: 809401User: 9861d7db-8cc1-416e-ba4b-b7dc3a1f0744Start: 28-11-2013 8:10End: 28-11-2013 17:50BTC bought: 2170.4942889600006USD spent: 2500000.0

User_ID: 817985User: 4f6c597c-5f16-4bd9-8026-129f90fa9990Start: 28-11-2013 20:36End: 29-11-2013 13:14BTC bought: 2123.133977639999USD spent: 2500000.0

User_ID: 825654User: f9fc16dd-3010-4104-8c71-077596189e38Start: 29-11-2013 13:45End: 30-11-2013 4:18BTC bought: 2090.5948831200003USD spent: 2500000.0

User_ID: 832432User: 26d62882-06c0-4e0e-a79d-3ea8592f490bStart: 30-11-2013 7:25End: 30-11-2013 12:30BTC bought: 638.5403779799999USD spent: 770744.48

Total BTC bought: 268132.73433409Total USD spent: $111,770,744.48

So basically, each time, (1) an account was created, (2) the account spent some very exact amount of USD to market-buy coins ($2,500,000 was most common), (3) a

new account was created very shortly after. Repeat. In total, a staggering ~$112 million was spent to buy close to 270,000 BTC – the bulk of which was bought in November. So if you were wondering how Bitcoin suddenly appreciated in value by a factor of 10 within the span of one month, well, this is why. Not Chinese investors, not the Silkroad bust – these events may have contributed, but they certainly were not the main reason. But more on that later.

At this point, I noticed that the first Willy account (created on September 27th) unlike all the others had some crazy high user ID: 807884, even though regular accounts at that point only went up to 650000 or so. So I went looking for other unusually high user IDs within that month, and lo and behold, there was another time-traveller account with an ID of 698630 – and this account, after being active for close to 8 months, became completely inactive just 7 hours before the first Willy account became active! So it is a reasonable assumption that these accounts were controlled by the same entity. Account 698630 actually had a registered country and state: “JP”, “40″ – the FIPS code for Tokyo, Japan. So I went and compiled all trades for this account. For convenience, I will dub this user “Markus”. Its trades are as follows:

There were several peculiar things about Markus. First, its fees paid were always 0. Second, its fiat spent when buying coins was all over the place, with seemingly completely random prices paid per bitcoin. For reference, Markus is the “Glitch in the System” user in this excellent Gox DB visualization (on that note, all of the Willy accounts are the “Greater Fools” with just big green blotches around Oct-Nov). Upon further inspection of the log, it became clear what was

the cause of these seemingly random values:

In this table, the first two trades (buy/sell pairs) are by some regular user with ID 238168. In the second trade, this user buys 0.398 BTC for $15.13. The next trade is some large market buy by Markus (ID 698630): note how the “$15.13″ value from the previous trade seems to “stick”; regardless of the volume of BTC bought, the value paid is always $15.13. This is speculation, but perhaps for Markus, the “Money” spent field is in fact empty, and the program that generates the trading logs simply takes whatever value was already there before. In other words, Markus is somehow buying tons of BTC without spending a dime. Interestingly, Markus also sells every now and then, and for some reason the price values are correct this case. His biggest sell occurred on June 2nd. I’ve analyzed these trades separately here:

2-6-2013 8:22 - UID: 698630 Type: sell Currency: USD BTC: 1998.98799992 Fiat: 254788.42-6-2013 8:23 - UID: 698630 Type: sell Currency: USD BTC: 999.99999997 Fiat: 127026.482-6-2013 8:23 - UID: 698630 Type: sell Currency: USD BTC: 1000.0 Fiat: 127002.42-6-2013 8:24 - UID: 698630 Type: sell Currency: USD BTC: 1000.0 Fiat: 127018.512-6-2013 8:24 - UID: 698630 Type: sell Currency: USD BTC: 1000.0 Fiat: 127001.352-6-2013 8:24 - UID: 698630 Type: sell Currency: USD BTC: 1000.00000005 Fiat: 127004.442-6-2013 8:24 - UID: 698630 Type: sell Currency: USD BTC: 1000.0 Fiat: 127000.02-6-2013 8:24 - UID: 698630 Type: sell Currency: USD BTC: 1000.00000003 Fiat: 127001.42-6-2013 8:24 - UID: 698630 Type: sell Currency: USD BTC: 1000.0 Fiat: 127000.02-6-2013 8:24 - UID: 698630 Type: sell Currency: USD BTC: 999.99999998 Fiat: 126894.452-6-2013 8:24 - UID: 698630 Type: sell Currency: USD BTC: 1000.0 Fiat: 126500.02-6-2013 8:25 - UID: 698630 Type: sell Currency: USD BTC: 999.99999998 Fiat: 126417.042-6-2013 8:26 - UID: 698630 Type: sell Currency: USD BTC: 995.0 Fiat: 125339.882-6-2013 8:26 - UID: 698630 Type: sell Currency: USD BTC: 1847.3314792 Fiat: 231285.052-6-2013 8:28 - UID: 698630 Type: sell Currency: USD BTC: 694.77000953 Fiat: 86753.842-6-2013 8:30 - UID: 698630 Type: sell Currency: USD BTC: 1766.9595302 Fiat: 215912.722-6-2013 8:32 - UID: 698630 Type: sell Currency: USD BTC: 2344.29615506 Fiat: 283975.162-6-2013 8:36 - UID: 698630 Type: sell Currency: USD BTC: 191.90340171 Fiat: 23243.512-6-2013 8:36 - UID: 698630 Type: sell Currency: USD BTC: 1510.49150574 Fiat: 181498.642-6-2013 8:50 - UID: 698630 Type: sell Currency: USD BTC: 959.6804687 Fiat: 115485.642-6-2013 8:50 - UID: 698630 Type: sell Currency: USD BTC: 311.63679312 Fiat: 37412.182-6-2013 8:50 - UID: 698630 Type: sell Currency: USD BTC: 18.0701 Fiat: 2168.412-6-2013 8:50 - UID: 698630 Type: sell Currency: USD BTC: 8.3465 Fiat: 1001.58

2-6-2013 8:50 - UID: 698630 Type: sell Currency: USD BTC: 18.79 Fiat: 2254.82-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 16.90960783 Fiat: 2029.152-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 17.71341243 Fiat: 2125.612-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 17.7 Fiat: 2124.02-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 0.05 Fiat: 6.02-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 5.506871 Fiat: 660.822-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 16.44 Fiat: 1972.82-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 28.0175623 Fiat: 3362.112-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 18.84 Fiat: 2260.82-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 3.57919941 Fiat: 429.52-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 17.46 Fiat: 2095.22-6-2013 8:51 - UID: 698630 Type: sell Currency: USD BTC: 23.8919 Fiat: 2867.032-6-2013 8:52 - UID: 698630 Type: sell Currency: USD BTC: 16.90968272 Fiat: 2029.162-6-2013 8:52 - UID: 698630 Type: sell Currency: USD BTC: 33.81997644 Fiat: 4058.42-6-2013 8:52 - UID: 698630 Type: sell Currency: USD BTC: 0.47704216 Fiat: 57.252-6-2013 8:56 - UID: 698630 Type: sell Currency: USD BTC: 40.0 Fiat: 4776.02-6-2013 8:57 - UID: 698630 Type: sell Currency: USD BTC: 8.3682 Fiat: 999.162-6-2013 8:57 - UID: 698630 Type: sell Currency: USD BTC: 742.66421065 Fiat: 1215.352-6-2013 8:57 - UID: 698630 Type: sell Currency: USD BTC: 14.16131443 Fiat: 1689.442-6-2013 8:57 - UID: 698630 Type: sell Currency: USD BTC: 1.02525 Fiat: 122.312-6-2013 8:58 - UID: 698630 Type: buy Currency: USD BTC: 0.315 Fiat: 3.532-6-2013 8:59 - UID: 698630 Type: buy Currency: USD BTC: 1.491 Fiat: 106.22-6-2013 9:00 - UID: 698630 Type: sell Currency: USD BTC: 235.92861373 Fiat: 25040.52-6-2013 9:00 - UID: 698630 Type: sell Currency: USD BTC:

658.7118825 Fiat: 78584.332-6-2013 9:00 - UID: 698630 Type: sell Currency: USD BTC: 8.30519622 Fiat: 990.812-6-2013 9:00 - UID: 698630 Type: buy Currency: USD BTC: 415.1740072 Fiat: 1881.652-6-2013 9:00 - UID: 698630 Type: sell Currency: USD BTC: 0.31156534 Fiat: 37.172-6-2013 9:00 - UID: 698630 Type: buy Currency: USD BTC: 1.79299501 Fiat: 644.622-6-2013 9:00 - UID: 698630 Type: sell Currency: USD BTC: 0.01 Fiat: 1.192-6-2013 9:01 - UID: 698630 Type: buy Currency: USD BTC: 19.17567802 Fiat: 97.032-6-2013 9:06 - UID: 698630 Type: sell Currency: USD BTC: 2.0 Fiat: 238.62-6-2013 9:06 - UID: 698630 Type: sell Currency: USD BTC: 5.3327E-4 Fiat: 0.062-6-2013 9:06 - UID: 698630 Type: sell Currency: USD BTC: 100.0 Fiat: 11930.02-6-2013 9:06 - UID: 698630 Type: sell Currency: USD BTC: 10.52538367 Fiat: 1255.682-6-2013 9:07 - UID: 698630 Type: sell Currency: USD BTC: 14.9955457 Fiat: 1790.472-6-2013 9:07 - UID: 698630 Type: sell Currency: USD BTC: 8.3009 Fiat: 991.132-6-2013 9:07 - UID: 698630 Type: sell Currency: USD BTC: 454.8213678 Fiat: 54305.672-6-2013 9:07 - UID: 698630 Type: sell Currency: USD BTC: 52.65198164 Fiat: 6286.652-6-2013 9:07 - UID: 698630 Type: sell Currency: USD BTC: 5.62705006 Fiat: 671.872-6-2013 9:07 - UID: 698630 Type: sell Currency: USD BTC: 8.3893 Fiat: 1001.682-6-2013 9:07 - UID: 698630 Type: sell Currency: USD BTC: 202.27433207 Fiat: 24151.562-6-2013 9:08 - UID: 698630 Type: sell Currency: USD BTC: 63.45470815 Fiat: 7576.492-6-2013 9:08 - UID: 698630 Type: sell Currency: USD BTC: 211.2344852 Fiat: 25347.82-6-2013 9:08 - UID: 698630 Type: sell Currency: USD BTC: 12.16391518 Fiat: 1459.652-6-2013 9:08 - UID: 698630 Type: sell Currency: USD BTC: 0.18 Fiat: 21.62-6-2013 9:08 - UID: 698630 Type: sell Currency: USD BTC: 220.8704927 Fiat: 26504.112-6-2013 9:08 - UID: 698630 Type: sell Currency: USD BTC: 36.08880519 Fiat: 4330.61

2-6-2013 9:08 - UID: 698630 Type: sell Currency: USD BTC: 21.55530417 Fiat: 2586.642-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 2.1324 Fiat: 255.892-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 8.9726 Fiat: 1076.712-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 29.753 Fiat: 3570.362-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 0.56752281 Fiat: 68.12-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 6.0 Fiat: 720.02-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 31.48622175 Fiat: 3778.352-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 16.5583 Fiat: 1987.02-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 13.0 Fiat: 1560.02-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 9.3893 Fiat: 1126.722-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 60.10191216 Fiat: 7212.232-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 27.5567 Fiat: 3306.82-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 21.71213585 Fiat: 2605.462-6-2013 9:09 - UID: 698630 Type: sell Currency: USD BTC: 19.2241 Fiat: 2306.892-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 139.74 Fiat: 16768.82-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 1.02 Fiat: 122.42-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 182.28722683 Fiat: 21874.472-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 348.2413104 Fiat: 41788.962-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 95.55929641 Fiat: 11467.122-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 28.4893 Fiat: 3418.722-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 5.0 Fiat: 600.02-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 25.0 Fiat: 3000.02-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 107.40943288 Fiat: 12889.132-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC:

101.01 Fiat: 12121.22-6-2013 9:10 - UID: 698630 Type: sell Currency: USD BTC: 26.79294868 Fiat: 3215.152-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 12.05 Fiat: 1446.962-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 18.96 Fiat: 2276.722-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 47.17704863 Fiat: 5665.022-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 10.0 Fiat: 1200.82-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 29.0 Fiat: 3482.322-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 8.42031537 Fiat: 1011.112-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 95.11170902 Fiat: 11421.012-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 20.0 Fiat: 2401.62-6-2013 9:11 - UID: 698630 Type: sell Currency: USD BTC: 22.17930056 Fiat: 2663.292-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 15.0 Fiat: 1801.22-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 5.7 Fiat: 684.462-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 278.68208534 Fiat: 33446.972-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 189.9066011 Fiat: 22655.862-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 35.56510417 Fiat: 4242.922-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 0.57 Fiat: 68.02-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 8.14056242 Fiat: 971.172-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 4.718015 Fiat: 562.862-6-2013 9:12 - UID: 698630 Type: sell Currency: USD BTC: 6.9313 Fiat: 826.92-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 198.94948457 Fiat: 23734.672-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 3.13538885 Fiat: 374.052-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 4.0 Fiat: 477.22-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 5.92010947 Fiat: 706.27

2-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 2.4744414 Fiat: 295.22-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 0.3 Fiat: 35.792-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 20.48216454 Fiat: 2443.522-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 7.6549207 Fiat: 913.232-6-2013 9:13 - UID: 698630 Type: sell Currency: USD BTC: 15.26 Fiat: 1820.522-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 0.58773577 Fiat: 70.122-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 10.53622808 Fiat: 1256.972-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 0.36 Fiat: 42.952-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 5.31407099 Fiat: 633.972-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 10.0 Fiat: 1193.02-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 3.17317687 Fiat: 378.562-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 2.5871 Fiat: 308.642-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 4.1996 Fiat: 501.012-6-2013 9:14 - UID: 698630 Type: sell Currency: USD BTC: 49.2183 Fiat: 5871.742-6-2013 9:15 - UID: 698630 Type: sell Currency: USD BTC: 31.5 Fiat: 3757.952-6-2013 9:15 - UID: 698630 Type: sell Currency: USD BTC: 3.31823696 Fiat: 395.872-6-2013 9:15 - UID: 698630 Type: sell Currency: USD BTC: 12.8 Fiat: 1527.042-6-2013 9:15 - UID: 698630 Type: sell Currency: USD BTC: 5.7401 Fiat: 684.792-6-2013 9:15 - UID: 698630 Type: sell Currency: USD BTC: 5.38763931 Fiat: 642.752-6-2013 9:15 - UID: 698630 Type: sell Currency: USD BTC: 0.7 Fiat: 83.512-6-2013 9:15 - UID: 698630 Type: sell Currency: USD BTC: 2.0 Fiat: 238.62-6-2013 9:15 - UID: 698630 Type: sell Currency: USD BTC: 28.41221684 Fiat: 3389.582-6-2013 9:16 - UID: 698630 Type: sell Currency: USD BTC: 31.69415842 Fiat: 3781.112-6-2013 9:16 - UID: 698630 Type: sell Currency: USD BTC:

1.40911659 Fiat: 168.112-6-2013 9:16 - UID: 698630 Type: sell Currency: USD BTC: 0.79253306 Fiat: 94.552-6-2013 9:16 - UID: 698630 Type: sell Currency: USD BTC: 0.54 Fiat: 64.422-6-2013 9:16 - UID: 698630 Type: sell Currency: USD BTC: 8.45390963 Fiat: 1008.552-6-2013 9:16 - UID: 698630 Type: sell Currency: USD BTC: 49.6 Fiat: 5917.282-6-2013 9:16 - UID: 698630 Type: sell Currency: USD BTC: 10.0 Fiat: 1193.02-6-2013 9:17 - UID: 698630 Type: sell Currency: USD BTC: 9.7 Fiat: 1157.212-6-2013 9:17 - UID: 698630 Type: sell Currency: USD BTC: 16.84 Fiat: 2009.012-6-2013 9:17 - UID: 698630 Type: sell Currency: USD BTC: 21.2 Fiat: 2529.162-6-2013 9:17 - UID: 698630 Type: sell Currency: USD BTC: 18.07269924 Fiat: 2156.072-6-2013 9:17 - UID: 698630 Type: sell Currency: USD BTC: 31.0 Fiat: 3698.32-6-2013 9:17 - UID: 698630 Type: sell Currency: USD BTC: 1.0 Fiat: 119.32-6-2013 9:17 - UID: 698630 Type: sell Currency: USD BTC: 50.0 Fiat: 5965.02-6-2013 9:18 - UID: 698630 Type: sell Currency: USD BTC: 101.66851471 Fiat: 12129.052-6-2013 9:18 - UID: 698630 Type: sell Currency: USD BTC: 0.18436186 Fiat: 21.992-6-2013 9:18 - UID: 698630 Type: sell Currency: USD BTC: 20.0 Fiat: 2386.02-6-2013 9:18 - UID: 698630 Type: sell Currency: USD BTC: 2.5 Fiat: 298.252-6-2013 9:18 - UID: 698630 Type: sell Currency: USD BTC: 4.5964668 Fiat: 548.362-6-2013 9:18 - UID: 698630 Type: sell Currency: USD BTC: 7.0495 Fiat: 841.012-6-2013 9:19 - UID: 698630 Type: sell Currency: USD BTC: 1625.7115664 Fiat: 194624.992-6-2013 9:38 - UID: 698630 Type: buy Currency: USD BTC: 1000.00000001 Fiat: 7395.382-6-2013 9:38 - UID: 698630 Type: buy Currency: USD BTC: 96.22498428 Fiat: 1728.392-6-2013 9:38 - UID: 698630 Type: buy Currency: USD BTC: 107.54895109 Fiat: 1008.232-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 21.0 Fiat: 288.07

2-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 6.10669614 Fiat: 1626.592-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 1712.52851334 Fiat: 1711.052-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 1218.26221811 Fiat: 2137.322-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 41.3318567 Fiat: 158.782-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 19.60589386 Fiat: 8.082-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 60.0 Fiat: 21.692-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 10.67659713 Fiat: 46.042-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 362.51169969 Fiat: 243.832-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 113.76591175 Fiat: 2.972-6-2013 9:39 - UID: 698630 Type: buy Currency: USD BTC: 43.03001695 Fiat: 0.212-6-2013 9:40 - UID: 698630 Type: buy Currency: USD BTC: 9.785 Fiat: 0.032-6-2013 9:40 - UID: 698630 Type: buy Currency: USD BTC: 3177.621661 Fiat: 238.12-6-2013 9:40 - UID: 698630 Type: buy Currency: USD BTC: 20.8422 Fiat: 62628.892-6-2013 9:40 - UID: 698630 Type: buy Currency: USD BTC: 182.15911178 Fiat: 358.052-6-2013 9:40 - UID: 698630 Type: buy Currency: USD BTC: 512.6800424 Fiat: 1998.962-6-2013 9:40 - UID: 698630 Type: buy Currency: USD BTC: 13.02 Fiat: 63.332-6-2013 9:40 - UID: 698630 Type: buy Currency: USD BTC: 102.8008872 Fiat: 79.162-6-2013 9:41 - UID: 698630 Type: buy Currency: USD BTC: 0.01 Fiat: 1.252-6-2013 9:41 - UID: 698630 Type: buy Currency: USD BTC: 93.99108382 Fiat: 7043.622-6-2013 9:41 - UID: 698630 Type: buy Currency: USD BTC: 16.65832606 Fiat: 10.02-6-2013 9:41 - UID: 698630 Type: buy Currency: USD BTC: 5.0 Fiat: 1.252-6-2013 9:41 - UID: 698630 Type: buy Currency: USD BTC: 1.00264 Fiat: 37.662-6-2013 9:41 - UID: 698630 Type: buy Currency: USD BTC: 6.0 Fiat: 37.662-6-2013 9:43 - UID: 698630 Type: buy Currency: USD BTC:

249.56430814 Fiat: 125.192-6-2013 9:43 - UID: 698630 Type: buy Currency: USD BTC: 4.5134 Fiat: 1.252-6-2013 9:43 - UID: 698630 Type: buy Currency: USD BTC: 4.4821 Fiat: 1.252-6-2013 9:43 - UID: 698630 Type: buy Currency: USD BTC: 4.4214 Fiat: 1.252-6-2013 9:43 - UID: 698630 Type: buy Currency: USD BTC: 5.0 Fiat: 1040.02-6-2013 9:44 - UID: 698630 Type: buy Currency: USD BTC: 82.676 Fiat: 4160.02-6-2013 9:44 - UID: 698630 Type: buy Currency: USD BTC: 5.00640805 Fiat: 2080.02-6-2013 9:44 - UID: 698630 Type: buy Currency: USD BTC: 2.32704612 Fiat: 1040.02-6-2013 9:44 - UID: 698630 Type: buy Currency: USD BTC: 10.42454364 Fiat: 3627.272-6-2013 9:45 - UID: 698630 Type: buy Currency: USD BTC: 49.54445843 Fiat: 57.42-6-2013 9:45 - UID: 698630 Type: buy Currency: USD BTC: 1.03204611 Fiat: 374.022-6-2013 9:45 - UID: 698630 Type: buy Currency: USD BTC: 3.3 Fiat: 374.022-6-2013 9:45 - UID: 698630 Type: buy Currency: USD BTC: 2.01 Fiat: 2523.112-6-2013 9:46 - UID: 698630 Type: buy Currency: USD BTC: 4004.31857983 Fiat: 1923480.492-6-2013 9:46 - UID: 698630 Type: buy Currency: USD BTC: 11.0 Fiat: 170.942-6-2013 9:46 - UID: 698630 Type: buy Currency: USD BTC: 0.02492337 Fiat: 85.472-6-2013 9:46 - UID: 698630 Type: buy Currency: USD BTC: 2.01257589 Fiat: 170.942-6-2013 9:46 - UID: 698630 Type: buy Currency: USD BTC: 4.0 Fiat: 97.812-6-2013 9:47 - UID: 698630 Type: buy Currency: USD BTC: 300.41544653 Fiat: 293.432-6-2013 9:47 - UID: 698630 Type: buy Currency: USD BTC: 14.99143981 Fiat: 2145.372-6-2013 9:47 - UID: 698630 Type: buy Currency: USD BTC: 50.02492337 Fiat: 277.662-6-2013 9:47 - UID: 698630 Type: buy Currency: USD BTC: 453.70848748 Fiat: 31294.092-6-2013 9:47 - UID: 698630 Type: buy Currency: USD BTC: 113.56988903 Fiat: 20.542-6-2013 9:47 - UID: 698630 Type: buy Currency: USD BTC: 0.0747685 Fiat: 2.93

Totals:Start: 2-6-2013 8:22End: 2-6-2013 9:47User_ID: 698630User: b2853e3c-3ec0-4fa5-8231-d21e2fd13330

BTC bought: 14770.555715840008USD spent: $??.??BTC sold: 31579.33902558999USD received: $3,813,128.10

Net BTC sold: 16808.783309749982Net USD received: $3,813,128.10 - $??.??

Sell 31k BTC, receive $4 million, re-buy 15k BTC, spend nothing. Awesome! Here is the corresponding chart for this day, just to show that these trades (from 8:00 to 10:00 am) actually occurred “on-market”, and had a significant effect on the price.

Some totals compiled for Markus:

Start: 14-2-2013 3:37End: 27-9-2013 6:16User_ID: 698630User: b2853e3c-3ec0-4fa5-8231-d21e2fd13330

BTC bought: 335203.83080579044USD spent: $??.??JPY spent: 0.0EUR spent: €2110.46

BTC sold: 37575.39028677996USD received: $4,018,376.87JPY received: ¥2,744,463.91EUR received: 0.0

Net BTC bought: 297628.4405190105Net USD spent: $??.?? - $4,018,376.87

Another net ~300,000 BTC bought. Combined with Willy’s buys, that’s around 570,000 BTC in total. Although there are no trading logs after November, Willy was observed by multiple traders to be active for the most part of December until the end of January as well. Although this was at a slower, more consistent

pace (around 2000 BTC per day), it should roughly add up to another 80,000 BTC or so bought. So that’s a total that’s suspiciously close to the supposedly lost ~650,000 BTC.

So… hacker, or inside job?

At this point, I guess the straightforward conclusion would be that this is how the coins were stolen: a hacker gained access to the system or database, was able to assign himself accounts with any amount of USD at will, and just started buying and withdrawing away. This is in line with what GoxDox.org reported last month (they leaked the Sunlot court filing, so clearly they have some inside info). After all, the constant creation of new Willy accounts seems almost intended to avoid detection. Unverified BTC withdrawals may have been possible until late 2013 (I could not find any exact data on this), or perhaps the “??” location values in the database (unlike the usual empty or “!!” values for unverified users) were able to fool the system into thinking this user was verified. However, there are a lot of things that don’t add up with this theory; in fact there is a ton of evidence to suggest that all of these accounts were controlled by Mt. Gox themselves.

First, the obvious: Markus has Tokyo, Japan as its registered location. But any hacker could edit a DB entry to try and frame someone (or even be located in Tokyo, however unlikely). However, none of the Willy accounts until November appear in the leaked balance summary at the time of collapse, and there seem to be no corresponding withdrawals for those amounts of bitcoin bought. Markus does have a balance: around 20

BTC and small amounts of EUR, JPY and PLN. No USD balance. In other words, only currencies for which Mt. Gox actively controlled bank accounts.

The next piece of evidence is perhaps more convincing. For some months in 2013, there were two versions of trading logs in the leaked database: a full log, and an anonymized log with user hashes and country/state codes removed. For April 2013, there was a .zip file which contained one such anonymized log – this is speculation, but one use of this may have been to send off to auditors/investors to show some internals. Upon closer inspection, it turns out the full and anonymized versions of all the logs differ in two, and ONLY two ways:

1. User hashes and country/state codes are removed.2. Markus’ out-of-place user ID (698630) is

changed to a small number (634), and its strange fixed “Money” values are corrected to the expected values.

Interesting detail: from the 2011 leaked account list, the user with ID 634 has username “MagicalTux”. Compare these two tables:

The “fixed” file has an earlier creation date than the full log, so it could not have been a reporting bug that was fixed later. Everything points to these values having been manually edited, presumably to erase traces of suspicious activity. Although another possibility is that it is actually the other way around – the correct log with earlier creation date was the original, and all other logs have been altered to a different ID not traceable to MagicalTux to cover up fraud in a very lazy way (by setting all Money spent to whatever was the last trade), and someone forgot there was still a zip file lying around with the unaltered data.

Another thing: Willy seemed to be immune to network downtime.

The latest four trades displayed in the bottom-right corner showcase Willy’s typical trading activity observed from December onwards: a 10-20 BTC buy every 5-10 minutes. At a time no one else was able to trade, be it via API or otherwise, Willy was somehow able to continue as if nothing ever happened. This makes it likely the bot was being run from a local Mt. Gox server. It is not impossible that a hacker was able to install some kind of rootkit on Mt. Gox’s servers and ran the bot from there, but that seems extremely unlikely.

Before Markus

Of course, I was curious to see if the April 2013 bubble was just as fake as the November 2013 bubble was (as should be evident from the above data, and the more detailed price analysis below). Although I could find no clear single buy bot active during the February-April run up (Markus bought a significant amount of coins, but not enough to sustain the prolonged rally), there was still tons of suspicious activity in the log. When browsing through the trading data sorted by user ID, I noticed a huge number of active “Japan” users with very low user IDs (<1000). None were paying fees. Odd to say the least, so I investigated further. Turns out a lot of these trades followed a very distinct pattern, and were unlikely to have been executed by their original account holders, but rather these accounts were “hijacked” in some way. The image below shows an example of this pattern:

First, a user with ID 179200 (highlighted; it is always this user as far as I can tell) buys some very exact amount of JPY worth of BTC (in this case JPY 24000) from regular users. Immediately after, a mysterious low-ID JP user also buys up some exact amount of JPY worth of BTC (always several times more than what user 179200 bought). This happens over and over again, for different low-ID users. But here’s the

interesting thing: the user _hashes_ for these low ID JP users do not add up with the user hashes of the original account holders. Look at this:

The data is sorted by user ID. Highlighted is the likely original, legit user making a legit trade. The hash is different from the fraudulent user (who has “JP” as region and does not pay fees). This rules out that these were inactive accounts being liquidated (the Mt. Gox terms of service stated they had the right to close accounts inactive for longer than 6 months). And as I said, these were not isolated cases. The first incidence seems to have been on August 9th, 2012, 08:54:58 GMT. These users were especially actively buying until April 2013, probably tens if not hundreds of thousands of coins (I haven’t analyzed that far) although sometimes selling (for JPY) as well. From May 2013 they became less active (to the point of insignificance for price movement), buying smaller amounts until July or so, when they start selling more than buying. The activity continues until the end of the data (November 2013).

Interestingly, there was a post by MagicalTux on bitcointalk.org about him finding and fixing a bug, at a point in time about five hours after the first incidence of this phenomenon. And as it happens, most of these “hijacker” user hashes appear in the final balances file; all have only some very small JPY balance. So they at least satisfy the first two conditions for triggering the bug explained in that post. There is a possibility that the bug was not fully fixed and that this activity was an exploit of it.

After Willy – Speculation

Since there are no logs past November 2013, the following arguments are largely based on personal speculation, and that of other traders, with less hard evidence attached to them. Take them however you will. I’m sure a lot of this will be proven wrong, but hopefully it will give some insight into what transpired in Mt. Gox’s final days.

Based on my own personal observations, Willy continued to be active until January 26th: buying up 10-20 BTC every 5-10 minutes, for around 100 BTC per hour. It was not active all the time, but the majority of it. January was when things truly went awry for Mt. Gox; more and more withdrawals were getting stuck, and faced with information that JPY withdrawals (which had been instant until that point) were also getting unreasonably delayed, people began panic-buying their way out of Gox. Combined with Willy still being active, this caused the spread between Gox and other exchanges to get completely out of hand. At the pinnacle of it, on January 26th, Willy suddenly became inactive – and with it, the price retraced back to a more

reasonable spread with the other exchanges. Shortly after – on February 3rd to be precise – it seemed as if Willy had begun to run in reverse, although with a slightly altered pattern: it seemed to sell around 100 BTC every two hours. The hourly chart shows this quite well; there was almost no other trading volume for two days straight, so we saw a very straight declining slope on the chart.

It didn’t take long for reverse-Willy to increase its pace. More than likely, the entire dump down to double digits was the handy work of this dumping bot. Peter R, another trader, came to the same conclusion independently from me in his excellent analysis that may just be very close to the truth. It would be one explanation for why none of the Willy accounts had a final balance despite all of their buying and no trace of BTC withdrawals: they were all dumped back on the market. The volume numbers seem to roughly match up. Where did the fiat go then? Into Mt. Gox’s reported fiat assets, possibly. You may remember they all but halted JPY withdrawals in early January, yet somehow cleared ALL pending JPY withdrawals the day they shut down in late February. This proves their original

reason for the delays (currency conversion issues) were BS; they simply had no fiat left. Yet somehow they had enough fiat for withdrawals the day they shut down, which was after the dumping already started. But, again, speculation.

There’s some additional evidence on the chart that a dump bot may have been at play. At several points in time, starting from Feb. 18th, it seemed that some bot was programmed to sell down to various fixed price levels. The most obvious cases are shown in these images.

From Feb. 18th (top) and from Feb. 19th (bottom):

every time someone put a bid at or above USD $248.15 and $261.2239, respectively, it would get dumped into at most a few minutes later (see e.g. this post from someone who noticed the same thing). These seem like random price-points at first, but at that point in time, $248.15 corresponded to exactly JPY 26000,

and $261.2239 corresponded to exactly EUR 195.

But here’s the kicker: NONE of the sell dumps were performed in their respective currency pairs; ALL were in USD. It suggests that whoever was selling (1) had some way to convert USD to JPY/EUR in a frictionless way, and/or (2) needed these currencies to be at a fixed price for some reason. After reading this log about possible insider trading from anarchystar, who is closely involved in the Mt. Gox legal proceedings, (2) may in fact have been the purpose: perhaps Mt. Gox was offering a fixed buy-in price for JPY or EUR-based investors. In either case, only Mt. Gox executing these sell trades makes sense. Furthermore, in an IRC log where someone was impersonating MagicalTux by hijacking his nick, Charlie Shrem asks if he needs some liquidity. This was at a time withdrawals were already halted. Clearly, Mt. Gox was accepting fiat injections – it seems reasonable to assume this liquidity came in the form of cheap BTC being bought.

Additional factoid: a month or two ago, someone put up

a site that aggregated the data from the leaked DB and allowed one to traverse the data easily, with rankings for best and worst traders, etc. One page of it is archived here. It had the (undoubtedly ironically intended) domain name “mark-karpeles.com”. It seems the site was fairly quickly removed, and “mark-karpeles.com” now redirects directly to the official mtgox.com. Barring an unlikely sudden change of heart by the creator from trying to expose fraud at Mt. Gox to supporting it, somebody may have threatened legal action or paid big bucks to get it under their control. In other words, someone was pretty desperate to prevent the data from becoming public.

The Effect on the Bitcoin Price

So how did all of this trading activity affect the price of Bitcoin as a whole? The answer is, unfortunately, enormously. I will be placing some historical charts from bitcoincharts.com along the Markus and Willy trade data where buying was most aggressive, which is basically from 15:14, July 28th, 2013 until the end of November. You can double-check exactly when and how many coins were bought using the logs near the top of this report, and/or match them against historical trading data from Mt. Gox’s public API. All of these trades actually occurred.

The huge volume spike on July 28 15:14 is where the big buying starts. 15,000 coins get bought in the span of 30 minutes. According to the trade data, buying continues until the 31st, 15:55. After a four day pause, there’s some small buying on August 5th, but it really picks up again on the 12th at 21:32. Buying continues on-and-off, with some large spikes especially on the 19th, 27th and the 30th, where ten of thousands of coins are bought. Basically, all the huge green volume spikes in the above chart are the handiwork of Markus, and Markus alone.

Something for the TA people:

Note the date, which is the moment we broke the post-April bubble downtrend.

In September, a few thousand coins were bought on the 2nd and 3rd, and then nothing until a lot was bought on the 9th, then on the 11th through early 13th. In the period of inactivity, the price finally got the chance to correct from an overbought condition.

Unsurprisingly, price rose again when Markus resumed buying, then started falling again when Markus stopped on the 13th. There was no activity from Markus until late 26th/early 27th, where Markus made his final buys before handing the baton over to Willy, who would in turn continue aggressive, but much more constant, buying until early October 1st. Again, the price reflected this activity perfectly.

Then came October, with the Silkroad shutdown crash on the 2nd. Price was flat for a while – because Willy did not become active until 10-10-2013 0:49. Now, unlike Markus, Willy’s buying was a lot more spread out over time. Markus was active sporadically, buying thousands or tens of thousands of coins in bursts, whereas Willy was active almost constantly, (at first) buying anywhere from 1 to 50 BTC at ~5-10 minute intervals. But even Willy would sometimes have gaps of inactivity (usually a day or less). These show up nicely in the chart. Willy was not active for most of the 15th and not active for about 14 hours on the 22nd. Price goes flat in these intervals. On 24-10-2013 14:24, Willy

becomes inactive for exactly a week, until 31-10-2013 14:44. As though perfectly timed, price crashes and growth stagnates.

Finally, November. Willy continues buying at its ~1-50 BTC per ~5-10 minutes rate until 5-11-2013 7:48. From 5-11-2013 10:53, Willy ups the ante – ~10-100 BTC is now bought at ~5-10 minute intervals, with many bursts of hundreds or thousands of BTC being bought at once. This continues non-stop until 9-11-2013 16:51. Willy becomes inactive for two days. Price crashes as if on cue. From 11-11-2013 14:04, Willy is back at its original pace, with occasional 100-1000+ BTC buys, until 16-11-2013 13:31.

Short Willy inactivity until 17-11-2013 2:57, with inevitable growth stagnation. Then relatively stable buying until 23-11-2013 8:35. A day of inactivity, cue price decline. Re-acivation on 24-11-2013 9:16. Cue price growth. The 100-1000+ BTC buy bursts finally end on 28-11-2013 15:10, where Willy enters its final stage that we all recognized (~10-20 BTC every ~5-10 minutes). The reduced activity causes growth stagnation. And we all know what happened next.

In closing

I want to make clear that this report is not intended to make accusations, but rather to show the facts that can be extracted from the information that is available to the public, and stipulate that there is more than plenty of evidence to suspect that what happened at Mt. Gox may have been an inside job. What I hope to achieve by releasing this analysis into the wild is for the public to learn the truth behind what happened at Mt. Gox, how it affected the Bitcoin price, and hopefully for the individuals responsible for the massive fraud that

occurred at Mt. Gox to be put to justice. Although the evidence shown in this report is far from conclusive, it can hopefully spur a more rigorous investigation into Mt. Gox’s accounting data, both by the public (using the leaked data) and the authorities (forensic investigation on the actual data).

It needs to be recognized that, whether intentional or not (though plausible ignorance only goes so far), Mt. Gox has effectively been abusing Bitcoin to operate a Ponzi scheme for at least a year. The November “bubble” well into the $1000′s – and possibly April’s as well – was driven by hundreds of millions of dollars of fake liquidity pumped into the market out of thin air (note that this is equivalent to “with depositors’ money”). It is only natural that the Bitcoin price would deflate for around 5 months since its December peak, since there was never enough fiat coming in to support these kind of prices in the first place.

In the interest of full disclosure: I’ve known of everything I wrote in this report since basically a day after the database was leaked, well over 2 months ago. I’m sure there are at least some other people that knew about it – I mean, it’s there in plain sight, in publicly available data, so it surprises me that no one else has come out with it until now. I specifically waited for the Goxless, free market to finally break the ongoing downtrend on its own strength before releasing it. Barring similar shenanigans at other exchanges (looking at you China) I think this means we may be at a “fair” valuation now, and that this knowledge will not hurt the price all that much. That said, despite everyone’s expectations, it seems unlikely that there will be another huge “bubble”, seeing as they were never “real” in the first place. Hopefully,

price can rise at a more controlled pace as more and more good news comes out; it will be much better for Bitcoin as a technology than the crazy volatility and outrageous valuations we’ve seen last year.