Block height - The block quantity and size in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkstumble.com/story22268098/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-webwiki-nl-cryptoexplorerhub-com