Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the 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://mixbookmark.com/story6152958/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-www-bitsdujour-com-profiles-iptrcw