Blockchain Explorer Satoshi Nakamoto https://www.demilked.com/author/crawford18sheehan/ So, when there is numerous transactions from the mempool and you also paid a relatively very low transaction cost, your transaction can continue to be unconfirmed for an extended period of time due to the fact miners/validators will decide on transactions with greater service fees https://letsbookmarkit.com/story20460107/blockchain-explorer-confirmed-transactions-indicators-on-blockchain-explorer-analytics-and-web-services-you-should-know-https-cutt-ly-3rj9ygbc