“Someone you work with will get it first. And you’ll hold out for a while, the way you did with the smartphone. But eventually, you won’t,” said Phoenix, dressed in all black with a tiny mic attached to his ear.
On‑camera age checks as de‑anonymizers, not child protection
The post argues plainly that the primary purpose of on‑camera age‑verification checks is not to keep minors out of adult spaces but to de‑anonymize critics and create a pretext for governments to deny access to platforms. It cites a concrete example: Canada attempted to de‑bank protesters, but that was eventually ruled illegal. Against that background, the post says, “complete failure to keep minors out of adult space is not at all surprising, as this is not the ultimate goal.”
Rahul Ilango’s claim: zero‑knowledge with “No Interaction, No Setup, and Perfect Soundness”
The post highlights a paper by Rahul Ilango of the Massachusetts Institute of Technology titled "Gödel in Cryptography: Effectively Zero‑Knowledge Proofs for NP with No Interaction, No Setup, and Perfect Soundness." It reproduces Ilango’s abstract describing a challenge in classical zero‑knowledge proofs — that they must sacrifice properties such as perfect soundness and non‑interactivity — and his claim of a new relaxation that changes that tradeoff.
Ilango writes that by redefining zero‑knowledge in a logical way that “only requires that one cannot rule out that a simulator exists,” his construction achieves what he frames as effectively zero‑knowledge with no interaction, no setup, and perfect soundness. The paper asserts that “every falsifiable security property of (classical) zero‑knowledge can be achieved with no interaction, no setup, and perfect soundness.”
Why the cryptography matters for age proofs and centralized control
The post connects Ilango’s cryptographic claims to practical control mechanisms: if zero‑knowledge can be made non‑interactive and perfectly sound under this new definition, it lowers technical barriers for deploying cryptographic proofs in settings such as camera‑based age verification. The post states plainly that “this has all sorts of benefits for those in an authoritative position with regards the likes of ‘age proof’ etc.”
It also notes that the idea is moving from technical circles into wider attention, and offers Phoenix’s view on adoption dynamics: creeping cultural acceptance — through soap operas, popular geek shows and other media — will soften resistance and drive mass uptake.
Hard‑drive firmware, JTAG, and practical bypass vectors
The post moves from abstract cryptography to practical hardware vectors that can undermine system security. It references work by “I Code 4 Coffee” that used hard drives in an effort to exploit Xbox 360s and involved reverse engineering drive firmware. The analysis began with three hard drives and an SSD and relied in part on firmware dumps obtained with a PC‑3000 data recovery tool; the author reports technical artifacts being available on GitHub.
Several concrete technical details are noted: some drives expose backdoor vendor commands and diagnostic connections that appear on an RS‑232 port; JTAG is named explicitly as another way to access drive firmware; and microcontrollers in “spinning rust” can be complex — one writer reports a microcontroller with three ARM CPUs and large shared memory. Firmware differed between drives of the same model but different manufacturing dates, and some firmware appeared to rely on race conditions as part of its functioning.
Those practical findings produce straightforward advice in the post: “Get a long pole with a sharp point at one end and ‘poke it with care’.”
What this means for technologists, policymakers, and end users
- Technologists and security teams: the combination of new cryptographic claims and low‑level hardware access vectors means defenders must watch both the proof primitives and the device firmware. The post documents firmware dumps via PC‑3000, JTAG, and RS‑232 diagnostic interfaces as concrete avenues of investigation.
- Policymakers and governments: the post frames on‑camera age checks as tools that can de‑anonymize critics and provide a pretext for denial of access, noting the Canada de‑banking episode and its legal reversal — a reminder that enforcement efforts can collide with law.
- End users and critics: the post argues that systems presented as child‑safety measures may serve other ends, and that both cryptographic shifts (Ilango’s proposal) and hardware‑level access make it possible to build or to subvert verification systems in ways that affect anonymity.
Put together, the pieces the post lays out are simple and stark: new cryptographic work claims to make non‑interactive, perfectly sound proofs easier to deploy; public narratives and cultural nudges can normalize intrusive verification; and simple, practical hardware techniques — from firmware dumps to JTAG and RS‑232 access — supply the means to probe, modify, or bypass those systems. The closing counsel — to probe systems cautiously — is literal and figurative: the post ends with the admonition to “poke it with care,” a reminder that both technical curiosity and restraint will shape how these capabilities are used and governed.
https://www.schneier.com/blog/archives/2026/05/bypassing-on-camera-age-verification-checks.html
