Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract creation https://social-galaxy.com/story5739872/5-simple-techniques-for-explorer-blockchain-tron-https-escatter11-fullerton-edu-nfs-show-user-php-userid-9253086