FeedbackBack to the riddle
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About hints
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- Riddles always start with 1 hint
and end with at least 5 hints.
- Every 30 minutes a new
free hint will be added.
- You can buy hints earlier
- Bitcoin spent on buying hints will
be transferred to the current
prize address immediately.
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Hint for riddle: Mountains of Bitcoin
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http://bitcoin.org/bitcoin.pdf