Block height - The block quantity and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for 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://bookmarkleader.com/story20520241/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979