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). 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 ... (full story)