Optimism Blockchain Explorer https://500px.com/p/younguitibrahim A blockchain unconfirmed transaction refers into a transaction initiated by a user that may be still for being confirmed and recorded on the blockchain by a validator or miner. It can be often called a zero-confirmation transaction. The mempool in essence queues the transaction and broadcasts https://artybookmarks.com/story20016695/blockchain-explorer-unconfirmed-transaction-everything-about-blockchain-explorer-unconfirmed-transaction-https-cutt-ly-3rj9ygbc