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No, that isn't how it works at all. You would broadcast a transaction to your friend for $20. It would sit in the mempool and eventually get picked up by miner

No, that isn't how it works at all. You would broadcast a transaction to your friend for $20. It would sit in the mempool and eventually get picked up by miner and would then be forever logged in the blockchain.

ryanisnan 9y ago
So is it possible to broadcast a transaction saying "they paid me X", or is it limited to broadcasting transactions saying "I paid them X"?
- hndamien 9y ago
  Just the latter really. Your unspent transaction outputs (UXTO) would move to your friends address. Bitcoins are really UXTOs.