Block top - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkfavors.com/story6130808/blockchain-explorer-tron-secrets-https-www-webwiki-co-uk-cryptoexplorerhub-com