According to CoinMeta, as reported by Lookonchain, a hacker Binance made a mistake worth 5 million dollars while selling altcoin. The hacker sold 908,793 units of $PROM (valued at approximately 5 million dollars) into an almost empty Uniswap V2 liquidity pool, and in the end, only received 0.0316 units of $ETH (about 71 dollars).