Blockchain Explorer Tool https://output.jsbin.com/nisuteliyi/ So, if there is numerous transactions from the mempool so you paid a relatively very low transaction price, your transaction can continue to be unconfirmed for an extended length of time because miners/validators will select transactions with bigger costs initial. TraceHawk is a white-labeled blockchain explorer https://johsocial.com/story10806127/ltc-blockchain-explorer-the-smart-trick-of-explorer-blockchain-ethereum-that-no-one-is-discussing-https-cutt-ly-3rj9ygbc