{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do contracts in blockchain improve the quality of collectibles?","a":"Contracts in blockchain are used to improve the quality of collectibles through decentralized, transparent, and tamper-proof characteristics. Firstly, blockchain technology can ensure the authenticity of artworks and their transaction history, preventing the occurrence of counterfeits and false information. Secondly, blockchain can establish a unique identity for collectibles, making the origin of the collection traceable, and ensuring their rarity and value. Additionally, blockchain contracts can automate execution, reducing  transaction risks and safeguarding the interests of both parties. Lastly, smart contracts in blockchain can set a series of quality standards and requirements; only collectibles that meet these standards can be traded, further enhancing the quality of the collectibles. In summary, blockchain technology ensures the quality of collectibles from multiple aspects."}]}],"pr":"a9204841cef5bf33992ca524ea50fa3e491d7f9416110d14fff49dd940e79ac1"}