Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety to the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://rotatesites.com/story21793243/blockchain-explorer-usdt-trc20-fundamentals-explained-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain