Fiat On-Ramp
The path from conventional money into crypto — the step where most first-time Web3 users stop.
Industry & DomainAn on-ramp converts fiat to crypto: card or bank payment in, tokens into a wallet out. It is the most failure-prone step in Web3 onboarding, because it stacks every hard thing at once — KYC, a card payment with high decline rates for crypto merchant categories, a network and token choice the user does not understand, and a wallet address that must be exactly right.
Most products integrate a third-party provider and hand the user off. That transfers the compliance burden and none of the responsibility: from the user's point of view your product sent them somewhere else and something failed. Designing the handoff — saying what is about to happen, what the fees will be before they commit, and what to do when the card is declined — is the difference between an on-ramp that works and a support queue.
Fees have to be shown before the commitment
Provider spread, network fee and card fee are often disclosed only on the final confirmation, where an advertised “$100” has become $91 of tokens. That is the single most common complaint about on-ramps and it is entirely a presentation decision.
In practice
A wallet integrated a third-party on-ramp behind a “Buy crypto” button with no context. 62% of users who started never completed; the largest single drop was at the provider's KYC step, which appeared without warning. Adding a short screen naming the provider, the documents needed and the all-in fee before the handoff took completion to 71%.
Where teams get it wrong
- Handing off to a provider with no explanation of what the user is about to face.
- Disclosing the full cost only at final confirmation.
- No guidance when a card is declined — common for crypto merchant categories.
- Asking the user to choose a network before explaining what the choice does.
- No visible state while a purchase settles, which can take minutes.
Learn more
You may ask
Frequently Asked Questions
What is a fiat on-ramp?
A service converting conventional currency into crypto — card or bank payment in, tokens delivered to a wallet. An off-ramp is the reverse.
Why do crypto on-ramp purchases fail?
Unexpected KYC, card declines against crypto merchant categories, fees revealed only at confirmation, and network or token choices presented without explanation. Most of these are handoff design problems rather than provider limitations.
Related terms
All terms- Self-CustodyHolding your own private keys rather than trusting a third party with them — full control, and full responsibility for losing it.
- Seed PhraseThe ordered list of words that derives every key in a self-custody wallet — and the only recovery path, with no reset.
- KYC OnboardingThe identity verification a regulated product must complete before a customer can transact — and the step where most fintech signups are lost.
- Token GatingGranting access to content, features or spaces based on what a connected wallet holds, rather than on an account.
Defined by Mara Last reviewed .
Let's talk about your product.
Happy to look at what you're building and say where design would move the needle.
Contact Us