Bitcoin Explorer Google Search https://www.instapaper.com/p/16801185 A blockchain unconfirmed transaction refers into a transaction initiated by a person which is yet to get confirmed and recorded about the blockchain by a validator or miner. It is actually often known as a zero-confirmation transaction. These transactions stay in the mempool (memory pool) https://bookmarkvids.com/story22178086/blockchain-explorer-api-indicators-on-blockchain-explorer-meaning-you-should-know-https-cutt-ly-3rj9ygbc