Learn the quantum threat, then learn the platform that models it.
Twenty-five lessons from first principles to deployment, weighted toward what actually matters: post-quantum cryptography and quantum attack risk. Seven interactive labs compute real results — including a per-pulse BB84 simulator that shows why a clean error rate is not evidence of a secure link.
36 lessons
Across six tracks and five role paths. Fifteen are threat and PQC — the platform is taught as the thing you use to investigate them, plus a reference track on real-world assessment frameworks.
7 working labs
Every one computes real output. The BB84 engine is ported from the production module, so the teaching tool and the product agree.
88 questions
Immediate feedback with an explanation either way, because being right for the wrong reason is still a gap.
Runs offline
No framework, no backend, no account. Progress is stored in your browser and never transmitted.
Five role paths through the same material
The full programme runs in order, but most people do not need all of it. Pick the path that matches your role and the curriculum below will highlight the lessons it covers.
Five tracks, ordered so each one earns the next
Foundations gives you just enough physics to reason honestly. The threat track is the core. PQC turns that understanding into practice. The platform and advanced tracks show you the tooling and how to deploy it without overclaiming.
Everything here is scoped, including the parts that are inconvenient
Simulation is labelled
Every lab states what it does not do. The QKD simulator models protocol behaviour; it is not a physical QKD system and it secures nothing.
Gaps are stated
Where the platform has a known modelling gap — such as scoring ECC and RSA dependencies identically — the lesson says so rather than teaching only what the tool already does.
Estimates are not dates
Resource estimates are costs under stated assumptions. No lesson here predicts when a cryptographically relevant quantum computer arrives, because nobody can.