Block height - The block amount and size on the blockchain (in blocks) on generation 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://topsocialplan.com/story6442869/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-md-swk-web-com-onnbpblstmy8giqdrhnkga