Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted by this https://infopagex.com/story5658039/top-guidelines-of-explorer-blockchain-solana-https-files-fm-f-e6nkandt95