A new Cato Institute briefing paper, titled "Online Age Verification Has Guaranteed Costs and Uncertain Benefits," adds to a growing policy argument over how to keep minors away from certain content online. The summary of the paper makes a focused point: policymakers should consider not only the potential benefits but also the significant costs of imposing age verification requirements.

A note on sourcing: this post is based on the paper's title and published summary, not a full reading of its text. We do not attribute detailed findings to Cato beyond those. Where we discuss how age checks work in general, that is background explanation, not a summary of the paper's arguments. For readers focused on online age verification privacy costs, the title and summary still raise a useful question: what do these systems ask of ordinary users, and who bears the risk?

What Age Verification Actually Requires

An age check is only as strong as the evidence a person is asked to provide. In general, services can ask users to upload a government ID, take a selfie for facial age estimation, link a payment card, or pass their details to a third-party verification company. Each method means a user hands over personal information to prove something that, in principle, is a single yes or no answer: are you old enough?

That gap between the narrow question and the broad data collected is central to the privacy debate. Even when a platform says it deletes data after a check, users generally have to trust that claim, and they often cannot verify it.

Why Stored IDs and Face Scans Create Breach and Surveillance Risk

This section is general security reasoning, not a claim about the Cato paper. Identity documents and biometric data are different from a password. If a password leaks, you change it. If a scan of your passport or your face template leaks, you cannot easily replace it.

Any organization that holds such data becomes a target for attackers, and any system that links a real identity to browsing activity creates a potential surveillance tool. Even a well-run verifier adds another party to the chain: the website, the verification vendor, and possibly their subcontractors. More copies of sensitive data in more places means more chances for a breach, a misconfiguration, or a request from authorities.

There is also the matter of scale. When a rule applies to everyone who wants to access a category of content, not just minors, the number of adults whose data is collected grows with it.

The Cost-Benefit Framing

The Cato title is explicit about its framing: costs are described as guaranteed, benefits as uncertain. The summary asks policymakers to look at both sides before mandating age checks. That is a call for a cost-benefit test, and it is a reasonable one whatever your view on the underlying goal of protecting children.

A fair reading of the summary is that child-safety benefits are potential, while the costs are significant. Readers who want the specific evidence and figures Cato relies on should consult the paper itself, since we have not summarized its detailed arguments here.

The policy debate is live in several countries. In the UK, for example, the Online Safety Act has drawn parliamentary scrutiny, and our coverage of how MPs debated the Online Safety Act's privacy impact shows how these questions are being raised in Westminster.

Where VPNs and Privacy-Preserving Alternatives Fit

A VPN encrypts your connection and hides your IP address from the sites you visit and from your network. It does not change what a website asks you to submit. If a service requires an ID upload or a face scan, a VPN does not remove that requirement, and in some cases a service may block VPN traffic or treat it as suspicious. VPNs are a privacy tool, not a workaround to rely on for age checks, and the legal status of circumventing rules varies by place.

More relevant are design choices. In general, privacy-focused approaches try to confirm age without revealing identity, for example by having a trusted party issue a simple over-18 confirmation that the website can check without seeing your documents. Whether such methods are practical, secure and widely adopted is a separate question, and one policymakers can ask when weighing mandates.

What This Means For You

  • Treat age checks as data handovers. Before uploading an ID or face scan, check who receives it, how long it is kept, and whether a third party is involved.
  • Prefer minimal disclosure. If a service offers a method that confirms age without sharing a full document, that is generally the lower-risk option.
  • Use unique credentials and watch for breach notices. If a verifier you used reports an incident, act quickly on any guidance it provides.
  • Keep a VPN in perspective. It protects your traffic in transit, but it will not shield information you voluntarily submit.

Takeaways

The Cato paper's title and summary make a simple request: count the costs as carefully as the benefits. For readers, the practical lesson is to understand the online age verification privacy costs you personally take on whenever you submit sensitive data. To follow how these rules are being debated in practice, read our report on the Westminster Hall session on the Online Safety Act, and decide for yourself how much personal data you are willing to hand over for access.