{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why do we need Ethereum Signer in blockchain?","a":"Security and Privacy Protection: Ethereum Signer uses  private keys to sign transactions and smart contract operations, ensuring the authenticity and integrity of the data. It can prevent unauthorized access and tampering, thereby protecting users' information and assets."}]}],"pr":"7e7e87131604635deae089837014e495595b0be9f807bf431fbd4ce5f035249f"}