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 actually be the 101st transaction submitted by this account) https://socialbraintech.com/story5580816/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-www-mixcloud-com-brokerfridge5