https://miscreants.github.io/blog.trailofbits.com/authors/william-bodell/Recent content in William Bodell on The Trail of Bits BlogHugoen-usFri, 07 Jul 2023 07:00:33 -0400https://miscreants.github.io/blog.trailofbits.com/2023/07/07/differential-fuzz-testing-upgradeable-smart-contracts-with-diffusc/Fri, 07 Jul 2023 07:00:33 -0400https://miscreants.github.io/blog.trailofbits.com/2023/07/07/differential-fuzz-testing-upgradeable-smart-contracts-with-diffusc/On March 28, 2023, SafeMoon, a self-styled “community-focused DeFi token” on Binance Smart Chain, lost the equivalent of $8.9 million in Binance Coin BNB to an exploit in a liquidity pool. The exploit leveraged a simple error introduced in an upgrade to SafeMoon’s SFM token contract, allowing the attacker to burn tokens held in the […]