Block height - The block range and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Agreement development https://socialmediastore.net/story21816240/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-instapaper-com-p-16864836