Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of one hundred would in fact be the one hundred and first https://yourbookmarklist.com/story20424588/blockchain-explorer-usdt-trc20-fundamentals-explained-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain