
💥 BREAKING: Electrum patches critical flaw exploited in the wild > Version 4.8.3 fixes a flaw letting malicious servers swap a payment for one paying an attacker > The trap triggers when a user bumps the fee, signing the attacker's transaction > Two users reported attacks, one lost funds, the fake address matched the real one's last four characters > Every version before 4.8.3 is affected, upgrade and check addresses before signing @ElectrumWallet
