Clear it in 3 steps
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Start the environment
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Investigate the target
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Submit the flag
All challenges
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Programming - Multithreaded Result Reassembly
Mission
worker-results.jsonl is generated from the FLAG injected at startup. Base64-decode results, XOR with worker SHA-1, and join by slot to recover the flag.
Hints
Hint 1 Show
Inspect worker-results.jsonl and identify the target record
Hint 2 Show
Base64-decode results, XOR with worker SHA-1, and join by slot
Hint 3 Show
Verify that the reconstructed value has FLAG{...} format