[oersted]

True, but let's be realistic, there is no practical way to get crypto outside of exchanges for a normal user, and that's a serious trust bottleneck. And if you are looking to use crypto as real currency, then you'd expect there to be a complex ecosystem of lenders, insurance, and markets around it, money is not just about buying consumer items.

In general, it turns out that it's very hard to build a crypto wallet that both is easy to use for regular people and doesn't take the control of your keys away from you.

Also let's not ignore that the crypto system itself is not magical and can have plenty of security issues too. At this point we can be fairly confident that BTC and ETH are safe, they have been battle-tested, but this is still about trust. When you get into smart contracts and other complex usages of blockchains, who knows what bugs they might have, there is zero enforced oversight. Crypto only ensures that it will work how it is programmed to work, but the programming could be wrong.

[freedomben]

I agree with your main point, and mostly agree with you about practicality, but there are some options such as the trezor wallet.

[jnwatson]

Trezor is another dependency you have to trust.

I actually have the skills to evaluate such a device if I had a few weeks of spare time. Expecting the average joe to have that ability is folly.

We have a system of laws and contracts and enforcement that allows someone to trust their bank account without a great deal of sophistication.