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Coinbase Code Hints at Prediction Markets and Stocks

Leaked Coinbase app code points to Kalshi-powered prediction markets and tokenized stock trading ahead of the Dec 17 “System Update” event.
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Nov 19, 20251 min read

Code from Coinbase's mobile app reveals unreleased interfaces for prediction markets and tokenized stock trading.

What's the scoop?

  • App Code Discovery: Independent researcher Jane Manchun Wong found hidden tabs for "Stocks" and "Predictions" by reverse-engineering Coinbase's publicly available app code.
  • Kalshi Integration: One screenshot shows fine-print stating prediction markets will be offered through Coinbase Financial Markets via Kalshi.
  • Coinbase Strategy: The interfaces match Coinbase's earlier statements about adding tokenized stocks, prediction markets, and other onchain assets for U.S. customers, as all exchanges race to become the “everything exchange.”

Bankless Take:

Coinbase choosing Kalshi over Polymarket would surely be a blow to the more “crypto-native” option but, given the longer track record of being operational and compliant, it makes sense why they would lean in this direction. While we’ll have to wait until December 17th to see what unfolds, it’s likely some related features will be teased ahead of the big day.

Not financial or tax advice. This newsletter is strictly educational and is not investment advice or a solicitation to buy or sell any assets or to make any financial decisions. This newsletter is not tax advice. Talk to your accountant. Do your own research.

Disclosure. From time-to-time I may add links in this newsletter to products I use. I may receive commission if you make a purchase through one of these links. Additionally, the Bankless writers hold crypto assets. See our investment disclosures here.