A crypto user lost over $2.5 million by sending funds to the wrong address in a copy-and-paste mistake.Scammers are using 'transaction history poisoning' by sending small transfers from look-alike addresses to deceive users.Phishing scams in April alone resulted in losses of $5.29 million, with more victims falling prey to these fraudulent schemes.The phishing gang Inferno Drainer exploited Ethereum's EIP-7702 rules to steal around $150,000, highlighting the constant threats in the crypto space.