Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://hyperbookmarks.com/story20338315/blockchain-explorer-tron-secrets-https-www-udrpsearch-com-user-lampwhorl2