{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the validity of Evidence during its processing?","a":"Consensus mechanism: Blockchain employs a consensus mechanism to reach agreement on the validity  of transactions and ensure the consistency of the ledger. The consensus mechanism prevents unauthorized modifications to the blockchain and maintains the integrity of the evidence."}]}],"pr":"67f0a4ac6bf3d2138bd3979d22d1bfbae3c2b5f988ffa2864bd1513e15d2c3a5"}