{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does Solana apply to the preservation of electronic evidence?","a":"Build an electronic evidence preservation system: Leverage the high-performance and scalability  of the Solana blockchain to develop smart contracts suitable for electronic evidence preservation, achieving functions such as evidence collection, storage, management, and verification."}]}],"pr":"4f1d6c98f00c76016b5e975dd0d47e654332dd47d3b966ac6f69716d6a19306f"}