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://bookmarkmargin.com/story20516770/top-guidelines-of-explorer-blockchain-solana-https-independent-academia-edu-drewandreassen4