OpenSigner

OpenSigner

Open-source non-custodial wallet solution

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OpenSigner is an open-source, self-hostable key management stack for non-custodial wallets. Create Ethereum & Solana wallets without custody, plug into any auth, run in our cloud or self-host, avoid vendor lock-in.

OpenSigner launches

Launch date
OpenSigner
OpenSigner Open-source non-custodial wallet solution

Launched on November 10th, 2025