Block height - The block amount and size on 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://bookmarkspecial.com/story20463671/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-urlscan-io-result-0199164a-7dbe-7737-944c-199699cc315c