{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the signing and management of electronic contracts?","a":"Decentralized storage: Blockchain technology stores electronic contract data through distributed nodes, avoiding single-point failures and centralized risks in conventional storage methods."}]}],"pr":"b7ba6b7bc7516111403a9c1e4f1d6b88f39a0957a13ee0a9395fa3ce0ef06cb9"}