Chargebacks - well sure they can be used as intended (although in your particular scenario the mugger would have to be able to get into the wallet), the reality

Chargebacks - well sure they can be used as intended (although in your particular scenario the mugger would have to be able to get into the wallet), the reality however is that chargebacks are a source of fraud which is costly for the merchants to deal with and as a result the cost is passed on to the consumer. With bitcoin, just like with cash, the merchant knows that they are safe from the chargeback scenario and is in position to offer discounts to consumers paying with bitcoin. My local gas station is charging less if you pay with cash vs a credit card for example. PCI data is "toxic". I spent about 10 years working for a company whose primary business was working with the merchants to help them reduce their PCI footprint - they were paying us millions of dollars to do that. Guess who was paying for it at the end of the day? I'm not saying accepting bitcoin as a method of payment means throwing caution to the wind. I'm also not saying PCI is unreasonable - but again things like PCI are there because the way Credit Card processing works makes Credit Card data extremely sensitive and prone to abuse.