Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with 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://greatbookmarking.com/story20256065/not-known-details-about-explorer-blockchain-ton-https-www-pdc-edu-url-https-cryptoexplorerhub-com