Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://baidubookmark.com/story20071584/the-best-side-of-explorer-blockchain-usdt-https-www-webwiki-nl-cryptoexplorerhub-com