Zksync Blockchain Explorer https://intensedebate.com/people/neergaard22nee So, when there is a large number of transactions from the mempool and you simply paid a comparatively low transaction payment, your transaction can continue being unconfirmed for an prolonged length of time due to the fact miners/validators will pick out transactions with larger costs 1st. https://socialwebnotes.com/story5849364/blockchain-explorer-mempool-a-simple-key-for-blockchain-explorer-btc-unveiled-https-cutt-ly-3rj9ygbc