Block top - The block number and length in the blockchain (in blocks) on creation of the present block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://thesocialdelight.com/story6388865/5-simple-statements-about-blockchain-explorer-solana-explained-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain