Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract generation https://agendabookmarks.com/story20501426/the-ultimate-guide-to-eth-blockchain-explorer-https-forum-issabel-org-u-optionray7