Earlier quoted context omitted.
Capital gains tax is not a technical issue per se. People also don't buy coffee with wire transfers, but nobody says wire transfers are a failure. btc/eth are better at doing what wire transfers were designed to do. The point is the tech is much better than people who have been sleeping on crypto seem to realize
Something that has likely slowed down adoption: Current payment methods (CC, debit, tap, chip, etc) artificially appear faster than they are. When someone taps, 99% of the time the payment processor is not waiting for the funds. It’s all trust and calculations of acceptable risk (that’s why the tap limit). Crypto can adopt that approach as well. Yes, CCs/debit went through a period (as did cheques) where that trust w…
As to your last point: credit card fraud is still rampant and hardly anyone accepts checks outside of contractual b2b transactions. The issues with those technologies are technical in nature. Sending a crypto transaction doesn't allow someone to fraudulently charge your account like those technologies do. Whether chargebacks should even exist in a secure transaction system by default is debatable. I personally don't think that kangaroo court service is worth the fraud + global ~3% fees. Think about all the chargebacks you've made in your life that weren't related to credit cards just being insecure. I'm certain they are not worth 3% of your total spending.