{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Can blockchain technology be used to address global environmental protection and climate change issues?","a":"Green finance: Blockchain technology can be applied to the field of green finance, tracking and managing the issuance and investment process  of green financial products such as green bonds and green funds, ensuring that funds from green projects are used for genuine environmental protection projects."}]}],"pr":"6f359fd4e331c9cd793bb40ec7a653ad33dd950c3dc0d47bc89dd6efd11eda2e"}