Explorer Blockchain Solana https://numberfields.asu.edu/NumberFields/show_user.php?userid=6213316 A blockchain unconfirmed transaction refers to a transaction initiated by a consumer that is yet to get confirmed and recorded on the blockchain by a validator or miner. It can be also referred to as a zero-affirmation transaction. These transactions stay in the mempool (memory pool) https://extrabookmarking.com/story20315788/blockchain-explorer-bitcoin-ethereum-blockchain-explorer-fundamentals-explained-https-cutt-ly-3rj9ygbc