Block height - The block quantity and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://alphabookmarking.com/story20097445/the-2-minute-rule-for-blockchain-explorer-solana-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569