BTCPay Server Hack: Bitcoin Hot Wallets Drained, Shut Your Server Down Now

If you run a $Bitcoin payment server, stop reading after this sentence and go switch it off. BTCPay Server, the most widely used self-hosted Bitcoin payment processor, has confirmed that attackers are sweeping hot wallets on older installations and has asked every operator to take their instance offline until the investigation is complete.What happened to BTCPay Server?Late on Saturday, 1 November, the BTCPay Server team posted an emergency alert: it was receiving reports of hot wallets connected to BTCPay instances being emptied by unauthorized attackers. The instruction was blunt.