{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the application scenarios of multi-signature in blockchain?","a":"Joint Account: When sharing digital assets between multiple family members or business partners, multi-signature ensures that all participants must consent before transactions can be conducted, thereby improving the security of the account."}]}],"pr":"0de6bc835d4405457995e8c5e51ad55255afdd057c2313cb1af96c7403ba18b5"}