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 a hundred and first https://atozbookmark.com/story20559941/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-demilked-com-author-brokerwhorl5