Casa co-founder: The transaction that incurred a fee of 19.82 BTC is suspected to be caused by a software bug

2023-09-11 11:08:30

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ChainCatcher message, regarding a Bitcoin on-chain transaction fee that reached 19.82 BTC at 1 AM today. Jameson Lopp, co-founder and CTO of the self-custody wallet Casa, stated on the X platform: "This appears to be a transaction from an exchange or payment company with a software vulnerability, which received over 60,000 transactions and sent over 60,000 transactions from the same address (bad practice), and likely miscalculated the change output. The address where the fee calculation error occurred has the characteristics of a corporate hot wallet used only for withdrawals. It seems to only occasionally receive deposits from one address to replenish the balance."

Previously, on-chain data showed that at 1:10:01 AM Beijing time today, a Bitcoin on-chain transaction occurred with a fee as high as 19.82 BTC (worth nearly $510,000), setting a historical record.

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