Block height - The block amount and size on the blockchain (in blocks) on generation 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 truly be the a hundred and first transaction submitted https://thebookmarkid.com/story20504949/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-demilked-com-author-brokerwhorl5