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 one hundred would in fact be the a hundred and first https://socialskates.com/story21551529/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources