
A very smart haxor, as in leet coder, has borrowed 102,000 eth and $10 million in stablecoins like DAI and USDc to turn some of it into BAT in an essay length operation that involves Uniswap, Balancer, dYdX and Compound.
All of it at the cost of just $100 in ethereum network fees, with this briefly very rich person needing no deposit, collateral, affordability checks, or any permission whatever from anyone to make use of this $30 million.

This is the surface. He sent $30 million to Compound, borrowed BAT and tokenized bitcoin as well as USDt this time, and then he’s finished.
Yer right. Let’s see if we can figure out what he did actually do with this potentially getting a bit messy in formating:
- From dYdX: Solo MarginTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 102,965.19901735514837237 ($24,233,889.24) Wrapped Ethe… (WETH)
- From dYdX: Solo MarginTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 5,518,617.674113602816077695 ($5,574,433.05) Dai Stableco… (DAI)
- From dYdX: Solo MarginTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 5,688,777.950577 ($5,690,375.80) USD Coin (USDC)
- From Compound EtherTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 5,145,128.78379012 ($24,233,556.57) Compound Eth… (cETH)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Dai For 5,518,617.676341017490886192 ($5,574,433.05) Dai Stableco… (DAI)
- From Compound DaiTo 0x0000000000000000000000000000000000000000 For 5,518,617.676341017490886192 ($5,574,433.05) Dai Stableco… (DAI)
- From Compound DaiTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 269,411,295.55368755 ($5,608,873.76) Compound Dai (cDAI)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound USD Coin For 5,688,777.952797 ($5,690,375.81) USD Coin (USDC)
- From Compound USD CoinTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 270,111,666.54552119 ($5,689,205.37) Compound USD… (cUSDC)
- From Uniswap V2: COMPTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 2,000 ($395,492.51) Compound (COMP)
- From Compound Basic Attention TokenTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 49,000,000($12,500,550.59) BAT (BAT)
- From Compound TetherTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 12,700,000 ($12,722,516.44) Tether USD (USDT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Basic Attention Token For 49,000,000($12,500,550.59) BAT (BAT)
- From Compound Basic Attention TokenTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 2,408,115,752.20359986 ($12,504,935.72) Compound Bas… (cBAT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Tether For 12,700,000 ($12,722,516.44) Tether USD (USDT)
- From Compound TetherTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 631,297,142.42469104 ($12,712,196.98) Compound USD… (cUSDT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1 For 1,977.445758479852876796 ($391,032.49) Compound (COMP)
- From Compound: ComptrollerTo 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1 For 0.028735722760996169 ($5.68) Compound (COMP)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1 For 2,155,965,247.75046928 ($11,195,561.02) Compound Bas… (cBAT)
- From Compound: ComptrollerTo 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1 For 0.002688378421420919 ($0.53) Compound (COMP)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1 For 559,702,515.10922012 ($11,270,522.46) Compound USD… (cUSDT)
- From 0x0000000000000000000000000000000000000000To 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1 For 196,057.924507233148898943 Balancer Poo… (BPT)
- From 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 196,057.924507233148898943 Balancer Poo… (BPT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1 For 196,057.924507233148898943 Balancer Poo… (BPT)
- From 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1To Balancer: BFactory For 0 Balancer Poo… (BPT)
- From 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1To 0x0000000000000000000000000000000000000000 For 196,057.924507233148898943 Balancer Poo… (BPT)
- From 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,984.143057176442499162 ($392,356.86) Compound (COMP)
- From 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 2,155,965,247.75046928 ($11,195,561.02) Compound Bas… (cBAT)
- From 0xfb44d6ebd1c659ecdb199111f9dce55a8b4d5df1To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 559,702,515.10922012 ($11,270,522.46) Compound USD… (cUSDT)
- From Compound TetherTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 12,700,000 ($12,722,516.44) Tether USD (USDT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Tether For 631,297,142.42469104 ($12,712,196.98) Compound USD… (cUSDT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Tether For 12,700,000 ($12,722,516.44) Tether USD (USDT)
- From Compound Wrapped BTCTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,380 ($12,907,647.66) Wrapped BTC (WBTC)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0xfe670043c158adc057b5ef2f66e753847e1c3d1d For 1,236.04958415 ($11,561,226.46) Wrapped BTC (WBTC)
- From Compound: ComptrollerTo 0xfe670043c158adc057b5ef2f66e753847e1c3d1d For 0.269646799744746825 ($53.32) Compound (COMP)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0xfe670043c158adc057b5ef2f66e753847e1c3d1d For 2,135,178,720.17647891 ($11,087,620.11) Compound Bas… (cBAT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0xfe670043c158adc057b5ef2f66e753847e1c3d1d For 1,969.90131988676819425 ($389,540.61) Compound (COMP)
- From 0x0000000000000000000000000000000000000000To 0xfe670043c158adc057b5ef2f66e753847e1c3d1d For 114,337.260476473366225373 Balancer Poo… (BPT)
- From 0xfe670043c158adc057b5ef2f66e753847e1c3d1dTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 114,337.260476473366225373 Balancer Poo… (BPT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0xfe670043c158adc057b5ef2f66e753847e1c3d1d For 114,337.260476473366225373 Balancer Poo… (BPT)
- From 0xfe670043c158adc057b5ef2f66e753847e1c3d1dTo Balancer: BFactory For 0 Balancer Poo… (BPT)
- From 0xfe670043c158adc057b5ef2f66e753847e1c3d1dTo 0x0000000000000000000000000000000000000000 For 114,337.260476473366225373 Balancer Poo… (BPT)
- From 0xfe670043c158adc057b5ef2f66e753847e1c3d1dTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,236.04958415 ($11,561,226.46) Wrapped BTC (WBTC)
- From 0xfe670043c158adc057b5ef2f66e753847e1c3d1dTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 2,135,178,720.17647891 ($11,087,620.11) Compound Bas… (cBAT)
- From 0xfe670043c158adc057b5ef2f66e753847e1c3d1dTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,975.927231457013504084 ($390,732.21) Compound (COMP)
- From Compound: ComptrollerTo 0x32e574b0400cdb93dc33a34a30986737186bde43 For 0.23862287510435357 ($47.19) Compound (COMP)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x32e574b0400cdb93dc33a34a30986737186bde43 For 2,270,299,075.37917725 ($11,789,277.15) Compound Bas… (cBAT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x32e574b0400cdb93dc33a34a30986737186bde43 For 1,215.53858218 ($11,369,379.51) Wrapped BTC (WBTC)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x32e574b0400cdb93dc33a34a30986737186bde43 For 1,977.886619338104169283 ($391,119.67) Compound (COMP)
- From 0x0000000000000000000000000000000000000000To 0x32e574b0400cdb93dc33a34a30986737186bde43 For 2,361.164033763461088925 Balancer Poo… (BPT)
- From 0x32e574b0400cdb93dc33a34a30986737186bde43To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 2,361.164033763461088925 Balancer Poo… (BPT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x32e574b0400cdb93dc33a34a30986737186bde43 For 2,361.164033763461088925 Balancer Poo… (BPT)
- From 0x32e574b0400cdb93dc33a34a30986737186bde43To Balancer: BFactory For 0 Balancer Poo… (BPT)
- From 0x32e574b0400cdb93dc33a34a30986737186bde43To 0x0000000000000000000000000000000000000000 For 2,361.164033763461088925 Balancer Poo… (BPT)
- From 0x32e574b0400cdb93dc33a34a30986737186bde43To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 2,270,299,075.37917725 ($11,789,277.15) Compound Bas… (cBAT)
- From 0x32e574b0400cdb93dc33a34a30986737186bde43To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,215.53858218 ($11,369,379.51) Wrapped BTC (WBTC)
- From 0x32e574b0400cdb93dc33a34a30986737186bde43To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,979.449219176805386116 ($391,428.67) Compound (COMP)
- From Compound: ComptrollerTo 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39 For 0.194669312829220468 ($38.50) Compound (COMP)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39 For 2,305,956,755.67560254 ($11,974,441.42) Compound Bas… (cBAT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39 For 1,185.00334925 ($11,083,772.25) Wrapped BTC (WBTC)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39 For 1,978.944766582895209814 ($391,328.91) Compound (COMP)
- From 0x0000000000000000000000000000000000000000To 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39 For 2,939.739337190142836611 Balancer Poo… (BPT)
- From 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 2,939.739337190142836611 Balancer Poo… (BPT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39 For 2,939.739337190142836611 Balancer Poo… (BPT)
- From 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39To Balancer: BFactory For 0 Balancer Poo… (BPT)
- From 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39To 0x0000000000000000000000000000000000000000 For 2,939.739337190142836611 Balancer Poo… (BPT)
- From 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 2,305,956,755.67560254 ($11,974,441.42) Compound Bas… (cBAT)
- From 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,185.00334925 ($11,083,772.25) Wrapped BTC (WBTC)
- From 0x7ad8f9ab85107fcb60e7423930adf00141fc9b39To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,980.229400682979269345 ($391,582.95) Compound (COMP)
- From Compound: ComptrollerTo 0x3c70193054e55ee47abedb239e653d4c30825eda For 0.867755617483780058 ($171.60) Compound (COMP)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x3c70193054e55ee47abedb239e653d4c30825eda For 1,955,598,738.09442039 ($10,155,091.80) Compound Bas… (cBAT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x3c70193054e55ee47abedb239e653d4c30825eda For 1,378.62 ($12,894,740.01) Wrapped BTC (WBTC)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x3c70193054e55ee47abedb239e653d4c30825eda For 1,998.705718612000905754 ($395,236.57) Compound (COMP)
- From 0x0000000000000000000000000000000000000000To 0x3c70193054e55ee47abedb239e653d4c30825eda For 5,870.485286677843094655 Balancer Poo… (BPT)
- From 0x3c70193054e55ee47abedb239e653d4c30825edaTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 5,870.485286677843094655 Balancer Poo… (BPT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To 0x3c70193054e55ee47abedb239e653d4c30825eda For 5,870.485286677843094655 Balancer Poo… (BPT)
- From 0x3c70193054e55ee47abedb239e653d4c30825edaTo Balancer: BFactory For 0 Balancer Poo… (BPT)
- From 0x3c70193054e55ee47abedb239e653d4c30825edaTo 0x0000000000000000000000000000000000000000 For 5,870.485286677843094655 Balancer Poo… (BPT)
- From 0x3c70193054e55ee47abedb239e653d4c30825edaTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,955,598,738.09442039 ($10,155,091.80) Compound Bas… (cBAT)
- From 0x3c70193054e55ee47abedb239e653d4c30825edaTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,378.62 ($12,894,740.01) Wrapped BTC (WBTC)
- From 0x3c70193054e55ee47abedb239e653d4c30825edaTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 1,999.559183779944361451 ($395,405.34) Compound (COMP)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Wrapped BTC For 1,380 ($12,907,647.66) Wrapped BTC (WBTC)
- From Compound Basic Attention TokenTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 49,000,000($12,500,550.59) BAT (BAT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Basic Attention Token For 2,408,115,752.20359986 ($12,504,935.72) Compound Bas… (cBAT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Basic Attention Token For 49,000,000($12,500,550.59) BAT (BAT)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Uniswap V2: COMP For 2,006.04 ($396,686.90) Compound (COMP)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Ether For 5,145,128.78379012 ($24,233,556.57) Compound Eth… (cETH)
- From 0x0000000000000000000000000000000000000000To 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 5,518,617.676341017490886192 ($5,574,433.05) Dai Stableco… (DAI)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound Dai For 269,411,295.55368755 ($5,608,873.76) Compound Dai (cDAI)
- From Compound USD CoinTo 0xff6f7e421cac8b488634c7a8275093a62075a1c6 For 5,688,777.952797 ($5,690,375.81) USD Coin (USDC)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Compound USD Coin For 270,111,666.54552119 ($5,689,205.37) Compound USD… (cUSDC)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To dYdX: Solo Margin For 5,688,777.950579 ($5,690,375.80) USD Coin (USDC)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To dYdX: Solo Margin For 5,518,617.674113602816077697 ($5,574,433.05) Dai Stableco… (DAI)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To dYdX: Solo Margin For 102,965.199017355148372372 ($24,233,889.24) Wrapped Ethe… (WETH)
- From 0xff6f7e421cac8b488634c7a8275093a62075a1c6To Uniswap V2: COMP For 10.383909373563664261 ($2,053.38) Compound (COMP)
- From Uniswap V2: COMPTo Uniswap V2: Router 2 For 10.858910107537170358 ($2,555.75) Wrapped Ethe… (WETH)
So this is semi legible and quite long, but the guy has gone through Compound and Balancer, making actions to get free Comp tokens and some eth profits through the BAT tokens.
In effect exploiting not just market inefficiencies, but also the free tokens giveaway based on usage of the platform.
This person has used it to the tune of tens of millions while owning none of it because flashloans allow you to make use of liquidity, like the one available on the Balancer Pool for example, as long as you pay the whole amount in full.
In this case dYdX was used which invented flashloans but seemingly unintentionally as this ability to borrow as long as it is repaid back in one execution appears to have been a byproduct of coding the dYdX decentralized margins exchange.
The facility thus was there for long until people realized this was a very big feature, so Aave has flashloans as a selling point.
While on dYdX they presumably didn’t realize the use case, so there’s no fees for the flashloan borrowing on this dapp.
Meaning the haxor spent only $100 on network fees and nothing else to briefly be in command of $30 million.
That fee being relatively high because it was a very complex operation as can be seen above.
Otherwise in a simple transaction the cost may have been even cents for briefly being very rich without requiring the approval of anyone.
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