Prove your skills on authentic problems — rubric-scored submissions feed verified evidence straight into your Skill Passport.
Journey B · Credential track
Independent evidence is the only evidence your passport fully trusts. Assistance lowers an attempt's evidence value — and revealing a solution marks that attempt so it can never count as independent.
Growth path: Supported → Independent → Expert+
If a revealed solution capped your evidence, pass this fresh, unassisted variant of today's challenge to restore independent-evidence eligibility. Graded server-side; the variant rotates daily.
No challenges published yet
Real-world challenges are authored against skill nodes. Once published, each one lists the evidence criteria your submission is scored on.
Open to every learner. Both zones use identical evidence-only scoring.
No entries in this zone yet — earn verified evidence to appear here.