Block top - The block quantity and size on the blockchain (in blocks) on generation of the current block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://johsocial.com/story11135411/not-known-details-about-blockchain-explorer-usdt-trc20-https-rentry-co-4vomqtzo