{"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":"Digital signatures: In a blockchain, digital signatures ensure the authenticity and integrity of transactions. A participant can use their own private key to create a digital signature for a transaction, and the network can verify the authenticity of the transaction by  checking the corresponding public key. This prevents unauthorized modifications and tampering with transaction data.↵↵...↵↵Please provide the remaining text to complete"}]}],"pr":"a62b0d7fa0acfb9479c87cfae510108201b96ab393d3d4ef83519073f83956c1"}