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 […]