{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be used for digital identity protection?","a":"tamper-proof and transparent: Once data is recorded on the blockchain, it is virtually impossible  to modify"}]}],"pr":"c2529b2412215550663fd9926317ecd9919f017fc011e697f5b06c7fefd54688"}