Block top - The block selection and length in the blockchain (in blocks) on creation of the current block Nonce - The transaction number for your from address (Keep in mind this begins at 0 so a nonce of one hundred would actually be the 101st transaction submitted by this https://bookmarking1.com/story20238959/blockchain-explorer-tron-secrets-https-www-woorips-vic-edu-au-profile-jessenisrgibbons96537-profile