Ether Blockchain Explorer https://www.giveawayoftheday.com/forums/profile/1149770 A blockchain unconfirmed transaction refers to a transaction initiated by a consumer that is still to be confirmed and recorded to the blockchain by a validator or miner. It really is generally known as a zero-confirmation transaction. These transactions remain in the mempool (memory pool) till http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=3670142