Block top - The block number and length from the blockchain (in blocks) on creation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarketmaven.com/story21185210/5-simple-techniques-for-explorer-blockchain-tron-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com