Zeta Blockchain Explorer https://go.nordvpn.net/SH5B3 So, if there is a lot of transactions while in the mempool and you simply paid a comparatively very low transaction rate, your transaction can remain unconfirmed for an prolonged timeframe considering that miners/validators will choose transactions with higher service fees 1st. The mempool basically queues https://digibookmarks.com/story20140146/explorer-blockchain-base-not-known-details-about-ethereum-blockchain-explorer-https-cutt-ly-3rj9ygbc