Mantle Blockchain Explorer https://hedgedoc.k8s.eonerc.rwth-aachen.de/kFtMQ9aTSTis_8Gbdx6V0Q/ A blockchain unconfirmed transaction refers to a transaction initiated by a person which is yet for being 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://linkedbookmarker.com/story6152521/blockchain-explorer-confirmed-transactions-today-the-best-side-of-blockchain-explorer-btc-https-cutt-ly-3rj9ygbc