There's a big problem though, we already have many ways to do that. They have flaws but they are mature and generally pretty easy to use. Cryptocurrencies are n

There's a big problem though, we already have many ways to do that. They have flaws but they are mature and generally pretty easy to use. Cryptocurrencies are not breaking new ground, they're trying to offer an alternative. That's a very different proposition. It's not enough for cryptocurrencies to work, they have to work better than "fiat". So far I'm unimpressed.