Krypto Explorer https://output.jsbin.com/kefuguxaze/ So, if there is a lot of transactions in the mempool and you compensated a relatively lower transaction payment, your transaction can stay unconfirmed for an extended length of time given that miners/validators will choose transactions with bigger expenses 1st. These transactions remain in the mempool (memory https://directmysocial.com/story5176496/blockchain-explorer-ethereum-not-known-details-about-ethereum-blockchain-explorer-https-cutt-ly-3rj9ygbc