Block height - The block amount and size in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract https://esocialmall.com/story6287116/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-http-bioimagingcore-be-q2a-user-storegarlic8