Blockchain Explorer Btc https://k12.instructure.com/eportfolios/1098588/entries/3707785 A blockchain unconfirmed transaction refers to your transaction initiated by a user that may be nevertheless to become confirmed and recorded to the blockchain by a validator or miner. It's generally known as a zero-confirmation transaction. The mempool in essence queues the transaction and broadca... https://500px.com/p/penamjgmclean