Block top - The block number and length in 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 basically be the 101st transaction submitted by this account) https://thesocialintro.com/story5827056/5-simple-statements-about-blockchain-explorer-solana-explained-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com