{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible upgrade paths for blockchain upgrading?","a":"ptimizing consensus mechanisms: Research more efficient  consensus mechanisms to improve the effectiveness and security of blockchain operations."}]}],"pr":"1d57913195a974367078a8d3568b064d8e82bd452a73607288e4ca5a997e9a18"}