{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security of NFT metadata compression?","a":"Decentralized storage: Blockchain distributes the metadata of NFTs across multiple nodes, avoiding the potential security risks posed by a single centralized storage. Each node saves the complete blockchain data, so even if some nodes fail, the data is still  retained and protected."}]}],"pr":"d2da6cef6f5379146a90e6d5fbeae7a30dc37c22a0a6cc8812d51e26a7bd94a0"}