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Xo

San Francisco, US · Founded 2025 · 3 known investors

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Permissionless “conviction” / prediction-market protocol where users create, trade, and resolve yes/no markets on real-world events, with adaptive liquidity (LS-LMSR) instead of a fully curated Polymarket/Kalshi-style catalog. Built as a sovereign rollup with Celestia DA.

Founders & leadership

Xo was founded in 2025 by Ali Habbabeh and Walid Al Habboul.

AHAli Habbabeh
Ali HabbabehCo-FounderFormer Kaskade CGO and Roche Web3 lead. Based in Zug/Switzerland while the company lists San Francisco. Describes XO as the “YouTube of prediction markets.”
WAWalid Al Habboul
Walid Al HabboulCo-Founder & CTOEngineering co-founder; previously at Cega and Amazon. CoinDesk published a company-supplied photo of both founders.

Investors · 3

Frequently asked questions

What does Xo do?
Permissionless “conviction” / prediction-market protocol where users create, trade, and resolve yes/no markets on real-world events, with adaptive liquidity (LS-LMSR) instead of a fully curated Polymarket/Kalshi-style catalog. Built as a sovereign rollup with Celestia DA.
Who founded Xo?
Xo was founded by Ali Habbabeh, Walid Al Habboul in 2025.
Who are Xo's investors?
Xo's investors include 20VC, Insiders Ventures, PICUS CAPITAL.
Where is Xo headquartered?
Xo is headquartered in San Francisco, US.