Solana Blockchain Explorer Wallet https://www.bitsdujour.com/profiles/V7UXv4 A blockchain unconfirmed transaction refers to the transaction initiated by a user that is definitely but to generally be confirmed and recorded about the blockchain by a validator or miner. It is also called a zero-affirmation transaction. These transactions stay in the mempool (memory pool) https://www.demilked.com/author/fourniermay5/