Block height - The block quantity and length with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://yoursocialpeople.com/story5888070/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-peatix-com-user-27717689