Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract creation https://dailybookmarkhit.com/story20310945/blockchain-explorer-tron-secrets-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html