Casa Lianchuang: The transaction of paying 19.82 BTC fee is suspected to be caused by a vulnerability in the software used by an exchange or payment company

Odaily News In response to the fact that a single transaction fee on the Bitcoin chain reached 19.82 BTC at 1 oclock in the morning today, Jameson Lopp, co-founder and chief technology officer of the self-hosted wallet Casa, posted on the X platform: The transaction is suspected to be An exchange or payment company using vulnerable software sent and received over 60,000 transactions to the same address (bad practice) and most likely miscalculated the change output. A fee calculation error occurred The address has the characteristics of a corporate hot wallet used only for withdrawals. It appears that it only receives deposits from an address from time to time to replenish the balance at any time.”