Block top - The block number and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction amount to the from address (Remember this starts off at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) https://thebookmarkplaza.com/story20457252/top-guidelines-of-explorer-blockchain-solana-https-www-multichain-com-qa-user-knotdrop3