Existing test entries remain on their original contract. New Sunday rounds use a separate contract.
Sunday rounds · Existing entries and legacy rounds · Research library
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Qualified wallets this round
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What counts?
Only wallets with 10 completed reviews, confirmed payment and confirmed on-chain qualification count—not visits or payments alone. Wallets are not necessarily different people. Five qualified wallets are needed; otherwise the round carries forward. Reaching five does not trigger an immediate draw.
Spot the uncertain cells.
Review one highlighted nucleus in a real, de-identified breast-tissue image. Your answer helps build an open map of images people find clear, ambiguous, or technically questionable—information future researchers can study.
This is not diagnosis and no laboratory is currently using these answers. Reference answers stay hidden during play. Disagreement identifies images worth studying; it does not prove a reference is wrong.
What happens to your reviews? Researcher access & methodology
SUNDAY PICK · TEST MODEReview 10 cells + pay $1 to enter
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Review 10 cells + pay $1 to enter
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Sunday Pick: Sundays at 8 p.m. Detroit/Eastern, including daylight saving.
Describe the highlighted nucleus
Important: round cells can be large, and irregular cells can be small. Shape and size are separate observations; overlapping or blurry cells can be marked unclear.
Confidence & image-quality flags optional
Your observation is never treated as medical truth. Only aggregate results from at least three calibrated observers enter the public ambiguity map.
Your 10 reviews are complete
Your review work is complete. Pay $1 / 1 test USDC to enter Sunday.
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See how your observations are stored and made available to researchers