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CTF + BUG BOUNTY RESEARCH

Follow the signal.
Keep the proof.

Find your next challenge. Turn scoped checks into evidence you can explain, reproduce, and share.

Loading the workspace and evidence provenance.

OPPORTUNITIES—Ranked by visible signals

EVIDENCE ITEMS—Observations for review

ACCEPTED REPORTS—Recorded outcomes only

RECORDED PAYOUTS—No projected earnings

01 / DISCOVER

Opportunity radar.

Awaiting source data

Loading opportunities…

—SELECT A ROW TO INSPECT

02 / VERIFY

The evidence room.

Every observation keeps its source, confidence, and reproduction context. Review is required before submission.

Loading evidence…

03 / SOLVE

A small puzzle.
A complete trail.

Peel back encoded CTF text and keep every transformation. No shell execution. No target requests.

BROWSER ENGINE

Base64, hexadecimal, and ROT13. Bounded search for common flag formats; this is an encoding workbench, not a general challenge solver.

Your input stays on this device in the public demo.

CHALLENGE INPUT

TEXT ONLY · MAX 32 KB

The path to your flag will appear here.

04 / DOCUMENT

Leave a trail.

VISIBLE WORK. VERIFIABLE CLAIMS.

Run history

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Source health

PROVENANCE

Loading source health…

Discovery is a lead, never authorization. Check the current program rules and define an explicit scope before running web checks.

05 / ARCHIVED CTF SOLVE

The answer was in the order.

DownUnderCTF 2024 Shufflebox: recover a 16-position permutation from two known rows, invert the censored third row, and reproduce every output character. The organizer's archive confirms the recovered answer.

BEGINNER CRYPTO OFFLINE ARTIFACT VERIFIED RECONSTRUCTION

Read the case study

TAKE THE DESK WITH YOU

Your machine. Your scope. Your evidence.

Run the Python CLI for discovery, the offline solver, and checks against explicitly allowed targets. Draft reports stay local for review.