Blockchain Explorer copyright https://www.giveawayoftheday.com/forums/profile/1149873 A blockchain unconfirmed transaction refers to some transaction initiated by a person that is certainly but to be confirmed and recorded to the blockchain by a validator or miner. It's often called a zero-confirmation transaction. An unconfirmed transaction is any transaction request submitted on the... https://www.instapaper.com/p/16801288