How the Fiat to Crypto Market Actually Fits Together
Aggregators, liquidity providers, payment institutions and the licensed entity you actually contract with.
The interface you use is rarely the whole business. Understanding the layers explains why some providers behave differently under stress. The comparison is more useful against a provider that publishes its terms, so it is worth opening an on-ramp that publishes its limits alongside this.
The layers
The consumer interface. What you see. May be operated by a company that performs none of the regulated activities itself.
The regulated entity. Holds the authorisation, holds client assets, performs the exchange. Sometimes the same company, frequently not.
The liquidity source. Where the crypto is actually sourced: own inventory, a market maker, or an exchange.
The payment institution. Handles the fiat leg. Often a separate authorised firm.
The banking relationship. Underneath everything, and the layer that most often fails.
Why the layering exists
Specialisation and licensing. A company good at consumer product design is not necessarily going to obtain a payment institution authorisation, and it does not need to if it partners with one.
This is normal in payments generally and it is not a criticism.
Why it matters to you
The protections attach to the regulated entity, not to the brand.
If you contract with the interface company rather than with the licensed one, your position is different from what the marketing implies. The controls that make this safe at company scale are what a business crypto wallet with approval controls provides by default.
The question that resolves it: which legal entity will I be contracting with, and does that entity hold the authorisation. The answer is in the terms of service.
Where failures originate
Almost always the banking layer.
When a provider suspends fiat withdrawals while crypto withdrawals continue, the usual cause is a lost banking relationship rather than a solvency problem.
Because a small number of institutions serve much of this sector, a policy change at one affects many providers simultaneously. That has happened and it produced clusters of providers suspending fiat within the same fortnight.
What to ask
Which institution handles your fiat settlement. Providers that name it are demonstrating the relationship exists.
Do you hold more than one banking relationship. A single one is a single point of failure for the entire settlement function.
The concentration implication
For a business dependent on crypto settlement, a second provider is worth having, and ideally one on a different banking arrangement.
Two providers sharing a banking partner are less diversified than they appear, which is a question worth asking directly. For the practical version of all of this, an exchange that publishes its full terms publishes the numbers rather than describing them.
Filed under: onramp, structure, infrastructure