A new open-source project called Qt has demonstrated 10,000 simultaneous connections while using just 124MB of RAM. The core, written in Rust and hosted at github.com/moral666/QT, provides end-to-end encrypted (E2EE) messaging with post-quantum cryptography. The announcement landed on Hacker News this week with 5 points and zero comments — a near-silent debut for a benchmark that, if real, would be notable for any E2EE messenger, let alone one built on post-quantum primitives.
What the 124MB number actually measures
The math works out to roughly 12.4KB per connection. That's exceptionally low for an encrypted messenger. For comparison, a typical TLS session with key exchange and active data transfer eats up far more memory per connection. The likely explanation is that the benchmark is measuring idle TCP connections, not fully established encrypted sessions with post-quantum key exchanges running. If that's the case, the headline figure says more about connection handling than about cryptographic efficiency. The project's core claim — scalable post-quantum E2EE — remains unproven until someone runs a benchmark with active sessions and real key rotations.
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A name that collides with a giant
Calling the project "Qt" is a head-scratcher. Qt is already the name of a widely used C++ application framework owned by the Qt Company. The naming collision will hurt searchability, and it suggests the developer either didn't check or didn't care about existing trademarks. For a security-focused project, that's a red flag about long-term professionalism. It also raises the odds of a rebrand or a legal letter down the road — neither of which helps adoption. The repo lives under a personal GitHub account (moral666) with no organization backing, no website, and no stated roadmap.
No audit, no comments, no vetting
The Hacker News post got 5 points and 0 comments. That's not a slow news day — that's a shrug from the exact crowd that would normally tear apart a cryptographic claim. There's no independent security audit, no peer review, and no evidence that the post-quantum algorithms are implemented correctly. Cryptographic software without audits is a liability, not an asset. If this project gains users before it gets reviewed, it could put them at risk. And the "post-quantum" label is doing a lot of work here — the algorithms might be standard, but the implementation could be full of side channels.
Why this still matters for crypto's long game
Quantum computers aren't breaking Bitcoin tomorrow. But the $2.8 trillion crypto market runs on elliptic-curve cryptography, and a future quantum breakthrough would shred it. Projects like Qt matter because they push post-quantum crypto into lightweight, developer-friendly territory. If the code is solid — a big if — it lowers the barrier for blockchain teams to experiment with quantum-resistant messaging and networking. That's a slow-burn positive for the ecosystem. It also puts a spotlight on a second-order risk: extreme memory efficiency in peer-to-peer networking cuts both ways. Honest nodes get cheaper to run, but so do denial-of-service attacks. Blockchain projects that adopt similar optimizations without anti-DoS safeguards could find themselves easier to knock offline, pushing node operators toward rate-limiting and, eventually, more centralization.
For now, there's no trade here. Bitcoin is trading near $83,822, and the Fear & Greed index sits at 69 — greed, but not euphoria. Quantum-resistant tokens like QRL and IOTA could see speculative spikes on any quantum FUD headline, but that's a reactive play, not a thesis. The real question is whether the Qt developer publishes a full benchmark methodology and submits the code for audit. Until then, the 124MB figure is a conversation starter, not a proof point.
