Block height - The block amount 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 101st transaction submitted by this account) https://bookmarkeasier.com/story20314117/5-simple-statements-about-blockchain-explorer-solana-explained-http-king-wifi-win-index-php-title-boelkamper2160