Block top - The block range and duration of your blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for that 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://geniusbookmarks.com/story20285447/top-guidelines-of-explorer-blockchain-solana-https-sparktv-net-post-810410-https-cryptoexplorerhub-com-in-the-ever-evolving-world-of-copyright-compreh-html