CryptoCurrency (is) The Flag

Registration / Rules / Challenges / ScoreBoard

Are you ready to learn hacking Ethereum through realistic examples?

The main even is over! Thank you for your participation and congratulations to everyone who have solved tasks!

All the CCTF tasks stay accessible for a while, so you can still play. The next CCTF event will be at the time of Hacktivity.

Contact, feedback, questions: