Bitcoin Explorer Rich List https://www.instapaper.com/p/16801288 A blockchain unconfirmed transaction refers to some transaction initiated by a person which is but to generally be confirmed and recorded within the blockchain by a validator or miner. It is often known as a zero-affirmation transaction. An unconfirmed transaction is any transaction ask for http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=3670142