Block height - The block number and size from the blockchain (in blocks) on generation of the present block Nonce - The transaction variety for your from address (Remember this commences at 0 so a nonce of 100 would basically be the 101st transaction submitted by this account) Not just https://health-lists.com/story21274153/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-instapaper-com-p-16864836