Open source SDK, MIT licensed, forever free. Pay only for managed signing infrastructure — or book a one-time audit to know where you're exposed. No hourly rates. No retainers. Fixed prices.
Know exactly where you're exposed before we write any code.
$ 2,500 one-time
We run the hardware wallet quorum. You publish updates. We sign them on-chain.
$ 2,000 per month
Everything in Audit, plus
Every velm engagement has a starting price. Custom scope and deeper builds are quoted after a 30-minute discovery call.
Open source Rust crate. Verifies bundle hashes on-chain before any update is applied.
$ 0 free / open source
velm operates the signing quorum. M-of-N hardware wallets sign every publish.
$ 2,000 per month
Full review of your update delivery chain with a prioritised remediation report.
$ 2,500 one-time
Wrap the Rust verifier as a native module — outside the JS bundle's attack surface.
$ 3,000 starting price
Non-custodial wallet with on-chain OTA verification from day one.
$ 5,000 starting price
Full wallet builds, multi-chain registry deployments, and team-scale signing governance are scoped after a free 30-minute threat review. We'll tell you where you're exposed on the call — no engagement required. Fixed-price quote within 48 hours.