Block top - The block number and length on the blockchain (in blocks) on development of the present block Nonce - The transaction selection 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://ezmarkbookmarks.com/story20479769/the-2-minute-rule-for-blockchain-explorer-solana-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569