Block top - The block selection and length from 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://allbookmarking.com/story20635797/blockchain-explorer-usdt-trc20-fundamentals-explained-https-peatix-com-user-27717689