Blockchain Explorer Logo https://www.instapaper.com/p/16800704 So, if there is a large number of transactions during the mempool and you simply paid out a comparatively low transaction cost, your transaction can continue to be unconfirmed for an extended period of time because miners/validators will pick transactions with higher service fees 1st. These https://bookmarkworm.com/story20322039/blockchain-explorer-tron-the-definitive-guide-to-blockchain-explorer-bitcoin-https-cutt-ly-3rj9ygbc