Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount for that from address (Keep in mind this commences at 0 so a nonce of a hundred would essentially be the one hundred and first transaction https://socialmediatotal.com/story5500162/what-does-blockchain-explorer-usdt-mean-https-www-instapaper-com-p-16864836