Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://thesocialintro.com/story6290657/not-known-facts-about-blockchain-explorer-usdt-https-rentry-co-4vomqtzo