Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range 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://expressbookmark.com/story20806593/the-2-minute-rule-for-blockchain-explorer-solana-https-postheaven-net-stickscreen2-from-bytes-to-insights-a-journey-with-copyright-adventurers