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 (Remember this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract https://ragingbookmarks.com/story20809593/not-known-details-about-explorer-blockchain-ton-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg