Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract generation https://bookmarkshut.com/story21717879/the-2-minute-rule-for-blockchain-explorer-solana-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569