Anyone evaluated the build vs. buy decision for launching a crypto exchange?

Been looking into this from a market-entry angle and wanted to get this community's take, since most of what's written online comes from the dev side, not the business/finance side.

The pitch is basically: are you better off funding a custom build, or going with a white-label setup to get to market faster? On paper, white-label looks like the obvious move for capital efficiency, but a few things make the decision less clean than it sounds:

Time-to-market vs. competitive moat. White-label gets you live fast and cheap, but you're running on the same base architecture as everyone else using that vendor. If your edge is supposed to be product differentiation, that's a real trade-off, not just a cost-saving one.

Compliance is where the real cost hides. KYC/AML, regulatory reporting, jurisdiction-specific requirements — this is the part that's easy to underestimate in early budgeting and the part that actually determines whether you can operate in the markets you're targeting.

ROI timeline shifts based on vendor quality, not just price. A cheaper build that needs a security incident or compliance gap fixed six months in ends up costing more than the "expensive" option that got it right the first time.

Came across a fairly clear breakdown of what separates a solid development partner from a risky one   how to choose a crypto exchange development company   useful context even outside the technical weeds.

Curious how others here think about this trade-off, especially anyone who's looked at unit economics on a launched exchange vs. the build cost.