What KYB means
KYB is a verification process applied to a legal entity rather than to a single person. The core questions it answers are whether the business is a real, registered entity, what it actually does, and who ultimately owns and controls it. Answering them means collecting and checking evidence — registration documents, the registered address, the company's line of business — and then looking through the corporate structure to the human beings behind it. Those people are the controllers and the beneficial owners: the individuals who direct the company and the individuals who ultimately own a significant share of it, even when that ownership runs through other companies.
Identifying the people behind a business is the part that distinguishes KYB from a simple records lookup. A company can be a layer of paperwork over an unknown owner, so the verifier traces ownership up through holding entities until it reaches the natural persons who control or benefit from it — the ultimate beneficial owners. Each of those individuals is then verified much as an individual customer would be under KYC. The goal is to make sure that the entity being onboarded is not a shell concealing someone the service is not permitted, or does not wish, to do business with.
KYB happens at onboarding, but it is not strictly one-and-done. A service typically establishes the picture of the business when the relationship begins and then refreshes it when something material changes — a change of ownership, a change in what the business does — or on a periodic basis. The depth of verification is risk-based: a higher-risk business attracts more scrutiny than a lower-risk one. KYB is one process inside a broader compliance programme that also includes anti-money-laundering (AML) monitoring of activity once the relationship is live.
Why it matters for crypto payments
Crypto settles fast and is hard to claw back, which makes knowing who is on the receiving end of a payment relationship a serious matter rather than a formality. A provider that lets a business accept crypto and then withdraw the proceeds is, in effect, vouching for that business. KYB is how the provider forms a defensible view of who it is dealing with before money starts moving — so that a business onboarded to accept payments is a real operation run by identifiable people, not an anonymous conduit set up to move illicit funds through a payment rail.
For the merchant, KYB is the gate at the start of the relationship: the documentation and ownership disclosure asked for during onboarding, before an account can go live and accept payments. It is best understood as a normal part of integrating with regulated-adjacent financial infrastructure rather than as friction invented to slow you down. Describing KYB as a process is also important for precision: it is something a provider does, not a certificate it holds. Completing KYB on your business does not make either party 'licensed' or 'regulated' — those are statuses, and KYB is a verification step.
KYB on halfin
halfin is digital-asset payment infrastructure for online businesses, and KYB onboarding is part of how a merchant relationship begins. As with any provider that handles money movement, establishing who the merchant is — the entity and the people who control it — comes before an account is enabled to accept payments and settle funds. KYB sits alongside AML awareness and travel-rule concepts as part of halfin's compliance posture, and each of these is a process and an obligation rather than a license or certification.
Keeping the language precise matters here. halfin describes its compliance work as the processes it runs — KYB at onboarding, AML awareness in operation — and never presents that work as a regulatory status it holds. If you are evaluating where KYB fits into integrating with halfin, treat it as the expected, upfront step of any serious payment relationship, and direct specific compliance questions to the dedicated compliance material rather than inferring requirements from a definition.
- KYB (Know Your Business) verifies that an onboarding business is real, legitimate, and run by identifiable people.
- It is the entity-level counterpart to KYC, and includes tracing ownership to the ultimate beneficial owners.
- KYB is a process a provider runs at onboarding (and refreshes on change) — not a certificate or a license either party holds.
- halfin runs KYB onboarding as part of its compliance posture, alongside AML awareness — described as process, never as a regulatory status.