How to Check Whether a DeFi Link Is Official
A verification sequence using documentation, project profiles and saved bookmarks.
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A DeFi link looks official until you test it. The domain is right, the favicon matches, the interface was copied pixel for pixel. What separates the real documentation from the imitation is rarely in the design. It is in a handful of boring, checkable facts about how the link reached you and where it points.
This guide is a verification sequence. It works the same for a documentation page, a governance vote, a bridge interface or a support article.
Start with how the link arrived, not with the page
Ask one question first: did you type the address yourself, or did a message, an advertisement or a search result hand it to you?
If a link arrived through a direct message, a reply to a “support” thread, a paid advert or a shortened redirect, treat it as unverified no matter how official it looks. Official project teams do not need shortened links, and they do not send unsolicited account checks through direct messages.
This is the single highest-yield check. It costs nothing and it catches most impersonation attempts before you reach the page at all.
Read the domain from right to left
When a link looks right but you are not certain, read the hostname from the domain label backwards, one segment at a time.
For a page at docs.example-project.com, the registrable domain is example-project.com. Everything to the left of that is a subdomain, which the project controls and which an attacker can also create for free.
The common impersonation pattern is a prefix: example-project.com.lookalike-support.net. Here the real domain is lookalike-support.net, and example-project.com sits in the subdomain position where anything can go. Reading right to left makes that visible immediately.
Two more shapes worth memorising. A hyphen inserted into a familiar name, and a substituted letter in a word you recognise instantly but do not read carefully. Both survive a quick glance because recognition does most of the work.
Confirm the domain through a second route
Do not navigate from the suspicious link to find out whether it is real. That defeats the check.
Instead, verify the domain through a route you already trust. Type the project name into a search engine and read the result list. Open the project’s existing bookmarks. Use a documentation link from a page you reached legitimately and confirmed earlier.
If the domain you are about to use matches what an independent route shows, it is real. If it does not match, stop. You do not need to investigate further; a mismatch is already the answer.
Check what sits on the page before you interact
Once the domain is confirmed, the page still deserves a check before you connect a wallet or paste anything.
Look for the documentation link in the footer or navigation. Projects publish their own canonical reference, and that page should link back to the same domain. A site that has no external documentation, no repository link and no history of published updates is a weak signal regardless of how polished it looks.
Check whether the page names the network and the contract addresses it expects to interact with. Legitimate interfaces display the chain and the token being acted on. Clone pages often leave those fields vague so that the same template can be pointed at any target.
Treat wallet connection as the point of no return
Connecting a wallet is not a small action, even when the button says “connect”. At the moment of connection a site can request a signature, and a signature request is a request for authority.
Read the request. It should tell you which network, which contract and which action. If the request is vague, or if it appears before you have chosen anything, close it.
Never enter a seed phrase or a private key into any web page. No legitimate interface asks for one, because no legitimate interface needs one. A prompt for those words is the end of the investigation: close the tab, and treat the account as compromised.
What to record afterwards
Write down what you verified and how. Keep the domain, the date, and the route you used to confirm it.
This matters more than it sounds. When a project changes its documentation URL, the note tells you whether you are looking at a new address or at an attacker’s page. Verification that is not written down cannot be re-checked, and verification that cannot be re-checked tends to be skipped the next time something feels urgent.
Common mistakes
The most frequent error is treating familiarity as verification. A page that looks exactly like one you have used before is not evidence that it is the same page.
The second is verifying through the suspect link itself, opening it in a new tab to “see where it goes”. That click is the action you were trying to avoid.
The third is skipping the check entirely because the operation felt small. Impersonation pages are not built around large transfers. They are built around small, ordinary requests made at the moment someone is in a hurry.