Block height - The block selection and size from the blockchain (in blocks) on generation of the current block Nonce - The transaction range for the from address (Keep in mind this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this https://thekiwisocial.com/story5760286/5-simple-statements-about-blockchain-explorer-solana-explained-https-md-chaosdorf-de-xdhzafcotoa3ipvrxixxya