Block height - The block variety and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction range for the from address (bear in mind this begins at 0 so a nonce of one hundred would basically be the one hundred and first transaction https://bookmarkjourney.com/story20554267/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-instapaper-com-p-16864836