Universal Blockchain Explorer https://go.nordvpn.net/SH5B3 So, if there is a large number of transactions from the mempool and you simply compensated a relatively low transaction fee, your transaction can stay unconfirmed for an extended time period given that miners/validators will pick transactions with greater expenses 1st. It is kind of easy https://socials360.com/story10921909/explorer-blockchain-usdt-getting-my-blockchain-explorer-btc-to-work-https-cutt-ly-3rj9ygbc