Bitcoin Explorer Runes http://pandora.nla.gov.au/external.html?link=https://cryptoexplorerhub.com So, if there is a large number of transactions during the mempool so you paid out a relatively minimal transaction fee, your transaction can keep on being unconfirmed for an extended period of time considering the fact that miners/validators will decide on transactions with larger fees https://madbookmarks.com/story20591959/blockchain-explorer-address-top-explorer-blockchain-ethereum-secrets-https-cutt-ly-3rj9ygbc