{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of a wallet in a blockchain?","a":"Encrypt and protect assets: Wallets use encryption algorithms such as HD wallets and multi-signature  technology to ensure the security of user assets. Through the generation and management of private keys and public keys, encryption and decryption of digital assets are realized, preventing assets from being stolen."}]}],"pr":"29288ca2770b1964d1b940a136603e9882a49da092815fbbffc2eb150dae9551"}