Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://bookmarksoflife.com/story6189379/top-guidelines-of-explorer-blockchain-solana-https-www-instapaper-com-p-16864836