Stellar Lumens Blockchain Explorer https://www.instapaper.com/p/16800704 A blockchain unconfirmed transaction refers to a transaction initiated by a consumer that's nonetheless for being confirmed and recorded on the blockchain by a validator or miner. It really is often called a zero-confirmation transaction. The mempool in essence queues the transaction and broadcasts it https://www.bitsdujour.com/profiles/V7UXv4