Block top - The block selection and size of the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Remember this starts off at 0 so a nonce of a hundred would really be the one hundred and first transaction submitted https://linkingbookmark.com/story20162352/a-review-of-blockchain-explorer-usdt-https-forum-issabel-org-u-optionray7