CryptoCurrency (is) The Flag

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Are you ready to learn hacking cryptocurrencies through realistic examples?

The next CCTF goes live at a yet unspecified location and at a yet an unspecified time.

Topics of the game from the past: cryptography, blockchain, Proof of Authority, Smart Contract security and crypto currency infrastructure bugs.

Authors: members of HSBP, B9 Space and V Space

Contact, feedback, questions: B9 Space matrix chat or