{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security of tokens?","a":"Cryptographic protection: Data in blockchain is encrypted using cryptographic algorithms (such as SHA-256) to ensure its  security. In addition, transaction information in blockchain is immutable, making it difficult to modify once recorded on the blockchain."}]}],"pr":"96b79421de2c2ec91eb2fe8dc42b03bfca4f97dd2c6be5ca283519f33ea40c04"}