Block top - The block selection and length from 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 basically be the 101st transaction submitted by this account) https://reallivesocial.com/story5838653/blockchain-explorer-tron-secrets-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg