Block top - The block amount and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction variety with the from address (Remember this begins at 0 so a nonce of one hundred would in fact be the 101st transaction submitted by this account) https://socialimarketing.com/story6176948/blockchain-explorer-usdt-trc20-fundamentals-explained-https-www-udrpsearch-com-user-lampwhorl2