[willwarren89]

Yes, trades are settled onchain.

Too expensive for who? 0x protocol allows you trade digital assets with anyone in the world, trustlessly, through the internet, for $0.10-$0.25 per trade. While this isn't perfect for all use cases, it is an incredibly powerful capability.

Scaling is indeed a limitation for decentralized networks. You can learn more about our scaling R&D efforts here: https://blog.0xproject.com/0x-roadmap-2019-part-2-scalabilit...

[homakov]

It's $0.10 until it isn't. Average crypto exchange has hundreds of automated tx per second, once it is attempted onchain the fees go up. Atomic swaps onchain are good for large amounts and rare trades, but not for retail traders.