We build the part of cryptomost people don't want to think about.
HeirVault is infrastructure for people who hold meaningful crypto and want a plan for it. The kind of plan that survives a hospital stay, a passport change, or the day you can't write rules at all.
Above: the owner view — health ring, next check-in, named heirs. Quiet by design, because the point is that nothing dramatic happens until it has to.
Why we built this
We're the team you'd want building this: people who hold real crypto themselves, who've watched friends lose six figures to a forgotten seed phrase, and who've spent years building production smart contracts.
What we found, over and over: every existing answer to crypto inheritance traded one kind of risk for another. Tell your spouse? Single point of failure. Print it and put it in a safe? Now you have a paper key. Give it to a custodian? You're back to trusting a third party, which is the thing you bought crypto to stop doing in the first place.
We didn't see a clean answer. So we built one.
What we do, and don't do
We build smart contracts that hold your crypto on your terms. They live on nine chains. We've had them audited by OpenZeppelin, formally verified with 51 symbolic proofs, stress-tested with 10,000-run fuzz suites, and made entirely open-source.
We help people use them through a software client, optional concierge calls (founders take them), and written guides. Setup typically takes about 10 minutes from a wallet, or 30 with us on a call.
We do not custody anything. We never have your keys, your seed, or the ability to move your funds. If we disappeared tomorrow, your vault would keep running and your heirs could still inherit. That's the design, not a marketing claim.
The team
We're a small team based across Europe and Southeast Asia. Smart-contract engineers, full-stack builders, a security lead who came from the audit world, and a designer. Founders take concierge calls personally because trust at this stage is built in conversation, not press releases.
We don't list names publicly because most of our work involves high-net-worth families who value privacy, and we extend the same to ourselves. Anyone we work with directly gets full transparency.
How we're funded
Subscriptions and concierge work. Not an exit, not a token, not advertising. We picked a flat-subscription model on purpose: it keeps the incentives aligned with the people who use the product, and it means we're not under pressure to invent features nobody asked for.
What we'd like you to do
If you hold meaningful crypto and don't have a plan for it, read how it works, click through the "what if" scenarios, and either set up a vault yourself or book a call. Both options take less than an hour.
If you want to verify everything we've claimed on this site, our audits, formal proofs, and contract details are on /proof. The full source repo opens publicly when v1 mainnet ships — until then, write to hello@heirvault.xyz for the audit draft or a testnet walkthrough. We expect this kind of scrutiny.