{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve the problem of multi-chain interoperability?","a":"Verify the transaction status on the original chain to ensure its accuracy and correctness;\n2. Design an information transmission mechanism to ensure accurate and timely communication during the cross-chain process;\n3. Determine the way to confirm transactions on another chain;\n4. Prevent the issue  of double payment."}]}],"pr":"41598ca18d562192ca128c3d9985bdec15159c4fe405969ff3fbc97a27e5e6b8"}