Sovereign Cosmos SDK Chain with Consensus-Native Randomness for Provably Fair Gaming

Hi everyone, I’m building Exohash, a sovereign Cosmos SDK chain purpose-built for provably fair on-chain gaming and prediction markets. The Cosmos stack is what makes the core innovation possible , so I wanted to introduce the project here. What we’re building A Layer 1 where randomness is generated inside consensus by the validator set — not by oracles, not by commit-reveal, not by block hashes. Every bet placed on-chain is provably fair and fully collateralized before it settles. Why a new chain On-chain gaming needs three things that no existing chain provides together: • Unbiasable randomness without trusting a third party • Instant finality — players can’t wait for confirmations • Protocol-enforced solvency — the house must always be able to pay I prototyped on Polygon and Sei. Commit-reveal needed two transactions per round and trusted the revealer. External oracles reintroduced a middleman. The randomness had to live inside consensus itself — which meant building a sovereign chain. How the randomness works Validators run a Distributed Key Generation protocol at each epoch. Each validator gets a key share — no one holds the full secret. Every…

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