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://userbookmark.com/story20527057/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg