Blockchain Explorer Referral Code https://www.instapaper.com/p/16800964 A blockchain unconfirmed transaction refers to some transaction initiated by a user that is nonetheless to become confirmed and recorded on the blockchain by a validator or miner. It is actually often known as a zero-affirmation transaction. These transactions remain in the mempool (memory pool) https://wearethelist.com/story22832543/ethereum-blockchain-explorer-ltc-blockchain-explorer-an-overview-https-cutt-ly-3rj9ygbc