Krypto Explorer https://www.demilked.com/author/fourniermay5/ So, when there is a lot of transactions within the mempool and you compensated a relatively lower transaction payment, your transaction can remain unconfirmed for an prolonged stretch of time because miners/validators will select transactions with bigger expenses to start with. An unconfirmed transaction is any transaction https://bookmarkfavors.com/story5833776/blockchain-explorer-confirmed-transactions-ethereum-blockchain-explorer-fundamentals-explained-https-cutt-ly-3rj9ygbc