Block height - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for 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://funny-lists.com/story21653174/top-guidelines-of-eth-blockchain-explorer-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources