Block top - The block number and duration of the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://thebookmarkid.com/story20545188/not-known-facts-about-blockchain-explorer-usdt-https-bbs-pku-edu-cn-v2-jump-to-php-url-https-cryptoexplorerhub-com