{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In blockchain, why do we need to share public keys?","a":"Secure communication: Through public key encryption technology, participants in the  blockchain network can ensure the privacy and integrity of communication content. The sender can encrypt communication data using the recipient's public key, and only the recipient with the corresponding private key can decrypt the data. This effectively prevents tampering and eavesdropping on data during transmission."}]}],"pr":"48eb6a528fede06f001ce85a488ee62f1e72058d22bedc5b9577ef18ab45ade7"}