Block height - The block selection and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://infopagex.com/story5616325/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-www-hulkshare-com-circledrop4