{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied in the field of environmental protection?","a":"Green finance: Blockchain technology can be applied in the field of green finance to ensure that  the financing needs of green projects and the investment needs of investors can be effectively matched. In addition, blockchain technology can also improve the transaction efficiency of green financial products and reduce transaction costs."}]}],"pr":"646053786ee8f8938f11f357e949e5bc810ab975788e321922e9977546225b37"}