Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction number for that from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://ilovebookmarking.com/story20826778/blockchain-explorer-tron-secrets-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg