Block height - The block number and length of the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract generation https://sites2000.com/story10607632/details-fiction-and-explorer-blockchain-ethereum-https-peatix-com-user-27717689