{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is a software upgrade proposal implemented in a blockchain?","a":"Review: The core team or technical committee of the blockchain project reviews the submitted code change requests to ensure that the changes align with the project's development direction and technical specifications. Additionally,  the review process can also include a security review to prevent potential security vulnerabilities."}]}],"pr":"573329ee5218210ae985afae47a01d287076842e3aecf46395df3b1b5a0a6d0e"}