MEVbots backdoor drains users’ Ethereum funds via arbitrage trading bot vào tháng 9 24, 2022 -called " @mevbots promotes altcoin arbitrage bots automate trading backdoor attack crypto twitter’ ethereum hackers hacks layer-3 protocols profits based scaling scheme smart contracts +
Arbitrage bot’s spam attack on the Polygon network generated $6,800 per day vào tháng 10 18, 2021 arbitrage bots average daily bot cryptocurrencies data provided ethereum flipside crypto hacks layer2 markets minimum cost move appears polygon polygon network spam transaction count turn 14 eth +