Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this begins at 0 so a nonce of 100 would in fact be the a hundred and first transaction submitted by https://isocialfans.com/story5764756/5-simple-statements-about-blockchain-explorer-solana-explained-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain