Block height - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarksoflife.com/story6263356/top-guidelines-of-explorer-blockchain-solana-https-www-instapaper-com-p-16864836