Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the one hundred and first transaction submitted https://royalbookmarking.com/story20559991/a-review-of-blockchain-explorer-usdt-https-www-blurb-com-user-optionname7