Bitcoin Explorer Json https://numberfields.asu.edu/NumberFields/show_user.php?userid=6213549 So, when there is a lot of transactions while in the mempool so you paid out a comparatively small transaction cost, your transaction can stay unconfirmed for an prolonged timeframe given that miners/validators will choose transactions with higher service fees 1st. An unconfirmed transaction i... https://toplistar.com/story22664329/blockchain-explorer-tron-the-smart-trick-of-explorer-blockchain-ethereum-that-no-one-is-discussing-https-cutt-ly-3rj9ygbc