{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why do blockchain upgrades require accepting proposals?","a":"Strengthening security: As a decentralized system, blockchain is  vulnerable to security risks. By accepting proposals related to security enhancement, the overall security of the blockchain network can be improved, ensuring the safety of user assets and information."}]}],"pr":"c9507d149d52142d3444b2587f3b69c083a4b9be147dd6fb7a4b294b4a678c88"}