One presumably panicked Bitcoin user paid nearly 0.75 BTC ($70,500) in a replace-by-fee (RBF) transaction fee.
The transaction in question was sent about 30 minutes after midnight UTC on April 8. It was the second attempt at performing an RBF that changed the transaction’s target address, sending 0.48 Bitcoin ($37,770) with 0.2 BTC of change ($16,357).
Second Bitcoin RBF transaction. Source: Mempool.Space
Anmol Jain, vice president of investigations at crypto forensics firm AMLBot, told Cointelegraph that the original transaction featured a “default or conservative” fee. The first RBF raised the fee to nearly double the amount and changed the output address.
Both of those transactions are waiting for a confirmation that will never come. This is because the much higher fee RBF transaction took its place with the same output as the second RBF transaction — presumably,