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Idena is a novel way to formalize people on the blockchain. It does not collect or store personally identifiable information. Idena proves the humanness and uniqueness of its participants by running an AI-hard Turing test at the same time for everyone around the globe.
Idena Nodes Testing Challenge
Activity type:
01 Jun 2020 13:30 UTC
01 Sep 2020 13:30 UTC
Reward pool:
(equal in DNA)
Personal reward:
(equal in DNA)
Ends in: 
  • How to participate:
    1. Download and install the Idena Node and Idena Client executable files or build them from source.
    2. Subscribe to the Idena Announcements Telegram channel to follow updates.
    3. To get an invitation to the Idena network, join the official Idena Telegram chat and follow instructions in the pinned message.
    4. Make sure your node is synchronized, and activate the invitation code. Check your identity status; it should be "Candidate."
    5. Check the next validation time. The node must be synchronized before the session starts.
    6. Learn how to solve flips: read the article in our blog and test yourself.
    7. Solve the flips during the validation time. Be agile. The first 6 flips must be submitted in less than 2 minutes.
    8. Once your account is validated, keep your node up and running in order to mine coins.
    9. Learn how to create flips. Don't forget to create three fips before the next validation in advance. Schedule your next validation.
    How to get validated:
    - Check the next validation time in your Idena app.
    - Your node must be fully synchronized before the validation.
    - Your computer time must be synchronized:
    - Solve the flips during the validation session. Be agile.

    The first 6 flips must be submitted in less than 2 minutes!

    What's next

    - After validation, keep your node running in order to mine coins.
    - Don't forget to create flips before the next validation.
    - Use more PEN ✏️ and COLLAGE tool 🖼 for making flips.
    - Schedule your next validation.


    - You must have good Internet and upload speed above 1mb/s
    - Update your Idena wallet/node and sync day before validation
    - Set alarm reminder for validation day
    - Close all other background programs during validations
    - Backup your nodekey: