Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://bookmarklogin.com/story20368233/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-independent-academia-edu-drewandreassen4