A Mempool developer suggested that the idiosyncratic down the transportation mightiness not beryllium alert of the non-cancellation of replacement fees policy, resulting successful an accidental $3.1 cardinal transaction fee.

A Bitcoin idiosyncratic paid 83.7 Bitcoin (BTC) worthy $3.1 cardinal successful transaction fees for transferring 139.42 BTC. The transaction interest of $3.1 cardinal is the 8th highest successful Bitcoin's 14-year history.
The BTC wallet address bc1qn3d…wekrnl tried transferring 139.42 BTC to bc1qyf…km36t4 earlier connected Nov. 23, lone to wage much than fractional the existent worth successful the modulation fee. The destination code received lone 55.77 BTC. The mining excavation Antpool captured the absurdly precocious mining interest connected artifact 818087.

Users connected societal media suggested that the sender selected the precocious transaction fee, but Replace-By-Fee (RBF), a node policy, and the sender's unawareness besides look to person played a part. RBF allows an unconfirmed transaction successful a mempool to beryllium replaced with a antithetic transaction that pays a higher transaction fee, successful bid to get it cleared earlier. Mempool is wherever each BTC transactions are queued earlier support and summation to the Bitcoin blockchain.
A mempool developer who goes by the Twitter sanction of Mononaut said that the idiosyncratic down the transportation astir apt didn’t cognize RBF orders cannot beryllium canceled. The idiosyncratic mightiness person replaced the fees aggregate times successful hopes of canceling it. The RBF past indicates that the past replacement accrued the interest by different 20%, adding 12.54824636 BTC successful fees.

This is not the archetypal lawsuit a Bitcoin idiosyncratic accidentally sent an absurdly precocious transaction interest for a azygous Bitcoin transaction. In September, Bitcoin speech level Paxos accidentally sent $500,000 successful transaction fees for $2000 worthy of BTC transfer. However, the f2pool miner who verified that transaction returned the $500,000 accidental transaction interest to Paxos.
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Mononaut told Cointelegraph that though the existent lawsuit of accidental modulation interest has similarities to the Paxos case, the anticipation the funds would beryllium returned by Antpool would beryllium connected their ain payout policies, ”which mightiness person implications for what obligations they person to stock transaction fees with their miners.”
Antpool has yet to remark connected the contented and hasn't responded to Cointelegraph’s requests for comments.
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