By itself, neither. It's a fact that changes meaning depending on what else is true.
It's tempting to treat "backed by well-known VCs" as a stamp of approval, and "no VC backing" as a red flag (or, for some people, the opposite — "no VC" as proof a project is grassroots and honest). Both shortcuts are wrong on their own.
What VC backing actually tells you: professional investors did some due diligence before writing a check, which filters out some obviously broken projects. But it also usually means a chunk of the token supply is reserved for those investors at a low price, with a vesting schedule — and eventually, that supply unlocks and can be sold into the market. VC backing lowers the odds of an outright scam; it doesn't lower the odds of early holders getting diluted later.
What no VC backing actually tells you: it could mean a genuinely grassroots, community-funded project with no outside pressure to eventually cash out. It could also just mean no professional investor looked closely enough to write a check — which isn't the same as passing a check, it's the absence of one being done at all.
How to actually use this fact: don't treat VC presence or absence as a verdict by itself. Look at it together with the other signals — is there an audit? Is the team identifiable? Is the roadmap active? A project with no VC backing, an identifiable team, and a real audit can be a better bet than one with VC backing and nothing else checked.
Why this matters to you specifically: "no VC" and "no audit" often get lumped together as one red flag, but they're separate facts that need separate context — see the audit guide for why an old or narrow-scope audit isn't the same as no audit either.
Want the VC and audit picture checked together for a specific project?