Bitcoin Explorer Github https://k12.instructure.com/eportfolios/1098588/entries/3707785 So, if there is a large number of transactions during the mempool therefore you paid out a comparatively low transaction cost, your transaction can continue being unconfirmed for an extended time period since miners/validators will pick out transactions with increased charges first. If wallets reco... https://output.jsbin.com/nisuteliyi/