{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why might blockchain transactions receive fee refunds?","a":"Decentralized application (DApp) errors: Some  Decentralized Applications (DApps) may experience technical issues or errors that lead to incorrect charging of transaction fees. In such cases, the"}]}],"pr":"2fa12a688087fcf55cb2b0ae443387631a0f14c82fb57be242e20ce3bb2fbc0e"}