Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction range 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://sound-social.com/story10713371/5-easy-facts-about-blockchain-explorer-api-described-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions