Zec Blockchain Explorer https://www.giveawayoftheday.com/forums/profile/1149770 So, when there is numerous transactions during the mempool and you paid out a relatively minimal transaction rate, your transaction can remain unconfirmed for an extended timeframe because miners/validators will decide on transactions with better service fees first. Some transactions are more sophisticated... https://nybookmark.com/story22184971/explorer-blockchain-solana-the-definitive-guide-to-blockchain-explorer-litecoin-https-cutt-ly-3rj9ygbc