Blockchain Explorer copyright https://www.bitsdujour.com/profiles/V7UXv4 So, when there is a large number of transactions in the mempool and you simply paid out a comparatively low transaction cost, your transaction can continue being unconfirmed for an extended time period considering the fact that miners/validators will decide on transactions with larger charges first. https://bookmarkbooth.com/story20213022/blockchain-explorer-confirmed-transactions-tron-blockchain-explorer-for-dummies-https-cutt-ly-3rj9ygbc