93 sats \ 1 reply \ @benstern OP 12 Nov 2022 \ on: How police tricked a ransomware gang into handing over decryption keys bitcoin
tldr; double spending
  1. send tx1 with low fee at busy time (stays unconfirmed)
  2. tx1 appears in the mempool, receive decryption keys
  3. send tx2 with higher fee - tx1 gets invalidated
lulz
write
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0 sats \ 0 replies \ @south_korea_ln 13 Nov 2022
RBF?
reply