Block height - The block selection and length of the blockchain (in blocks) on development of the current block Nonce - The transaction selection with the from address (Keep in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://yesbookmarks.com/story20808230/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-lamm-tolstrup-3-blogbright-net-investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world