Optimism Blockchain Explorer https://myspace.com/gustafsonhein65 So, if there is a large number of transactions in the mempool and you simply paid out a comparatively small transaction cost, your transaction can continue to be unconfirmed for an extended time period since miners/validators will find transactions with better costs initial. It is kind https://ilovebookmarking.com/story20576012/blockchain-explorer-tron-new-step-by-step-map-for-explorer-blockchain-solana-https-cutt-ly-3rj9ygbc