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 100 would actually be the 101st transaction submitted by this account) Contract https://pukkabookmarks.com/story20282738/explorer-blockchain-base-an-overview-https-dailyuploads-net-kv21pr0676da-delving-into-the-invisible-the-importance-of-blockchain-explorers-in-the-copyright-worldznmrd-pdf