Block top - The block selection and size of the blockchain (in blocks) on creation of the present block Nonce - The transaction number to the from address (Remember this starts off at 0 so a nonce of one hundred would actually be the one hundred and first transaction submitted https://bookmarkingbay.com/story20673331/blockchain-explorer-usdt-trc20-fundamentals-explained-https-skitterphoto-com-photographers-1387379-jimenez-deleuran