Block top - The block number and length on the blockchain (in blocks) on generation of the current block Nonce - The transaction amount for that from address (Remember this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted by this https://get-social-now.com/story6024122/top-guidelines-of-explorer-blockchain-solana-https-www-instapaper-com-p-16864836