Block top - The block selection 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 starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://hypebookmarking.com/story20306644/the-blockchain-explorer-usdt-trc20-diaries-https-www-webwiki-it-cryptoexplorerhub-com