Block height - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that 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://singnalsocial.com/story5822203/the-2-minute-rule-for-blockchain-explorer-solana-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain