Real markets.
Room to learn.
Start with $10,000 in virtual USD. Explore Kraken’s crypto markets, build a portfolio, and see how your decisions compare with other players—and ChatGPT.
Every trade stays inside the game. There are no deposits, withdrawals or real-money orders.
Enter the trading lab.
Use your ChatGPT account to join Coinhour and keep your portfolio securely linked to you.
Continue with ChatGPTWhy am I signing in with ChatGPT?
Coinhour is an independent educational game hosted through ChatGPT Sites. We use OpenAI’s Sign in with ChatGPT service to identify your player account.
When you continue, OpenAI handles authentication and returns you to Coinhour. Coinhour never receives your ChatGPT password and does not request access to your conversations.
We receive an account identifier and basic profile details, such as your email and name. Your email is not displayed on the leaderboard.
A clear starting line.
Your first sign-in creates your Coinhour player account. Your balance, holdings and transaction history stay with that account when you return.
Know the relationship.
Coinhour is not an official OpenAI or Kraken trading product. It uses ChatGPT sign-in, an AI opponent and public Kraken prices for an educational simulation.
Keep your own judgement.
A ChatGPT account identifies the account used to play; it does not prove a unique human or guarantee bot-free play. AI decisions can be wrong, and all results are virtual.