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HeirVault
Why it's safe

Three promises.Every scenario, named.

Trust isn't a feeling. It's the absence of unanswered fears. Here is the shortest list we could write of every fear that could matter to you, with the answer beside it.

Three promises

Three promises in plain English.The math is underneath, when you want to look.

Most crypto products lead with technical proofs. We lead with the promises those proofs are there to keep.

Layer 1

Your assets stay yours.

Your crypto sits in a vault that only your wallet can change. We have no key. No admin button. No way to move your funds. Ever.

Like a safe-deposit box where the bank holds the room, you hold the only key. Except here, even the room is yours.

  • Open-source contracts (MIT). Read every line.
  • Audited end-to-end by OpenZeppelin
  • Verifiable bytecode on every chain
  • No upgrade backdoor for HeirVault
Layer 2

Your plan can't be hijacked.

Once you set the rules (who inherits, when, how much), nobody can rewrite them. Not us. Not a hacker. Not one family member alone.

Like a sealed will at a notary. The terms are visible, but the seal is mathematical.

  • 51 formal proofs (Halmos symbolic execution)
  • 10,000-run fuzz tests · 512-run invariants
  • Commit-reveal anti-frontrunning on every claim
  • Family quorum (M-of-N) required for inheritance
Layer 3

There's always a way back.

Lose your phone, change your mind, or just want to pause? You can. There is no scenario where one bad day costs you your estate.

Like a fire alarm with a 7-day cancel window. Pulling it doesn't burn the building down.

  • Account recovery: guardian-gated, 7-day cancel window
  • Pause the vault any day; auto-resume after 7 days
  • Cancel a claim during the 20-minute reveal window
  • Override guardians with heir consensus if needed
Why it's safe

What can happen.And what cannot.

Trust is built when fears are named, not avoided. Here is the shortest list we could write of every scenario that could matter to you.

  • Pause the vault any day, for any reason.You
  • Change heirs, shares, and stewards while you're alive.You
  • Cancel a claim during the 20-minute reveal window.You
  • Reset stewards (your trusted extenders) with heir consensus.You
  • Recover access to the vault if you lose your wallet (7-day window, you can cancel).You
  • Cancel all standing orders in a single transaction.You
  • Move chains. Use 1 chain or 9. The plan stays the same.You
  • Move your funds. Ever.HeirVault
  • Change your heirs, shares, or rules.HeirVault
  • Force a claim. Force a recovery. Force anything.HeirVault
  • See your seed phrase. We don't have it.HeirVault
  • Disappear and take your assets with us. The vault is yours, on-chain.HeirVault
  • A single heir cannot claim alone. Your family quorum is required.Outsiders
  • A hacker who takes one wallet cannot drain the vault.Outsiders
  • A steward cannot take time away from you, only grant more.Outsiders
  • A bug-bounty researcher can only earn rewards, never reach your funds.Outsiders
  • A court order cannot make us hand over keys. We don't have any.Outsiders
A small simulator

What happens if…

Pick a fear. Watch what actually happens. We built every one of these flows to be visible end-to-end, so you don't have to take our word for it.

If I disappear for six months

Step 1 of 6
  1. Day 0

    You miss your monthly heartbeat.

  2. Day 30

    Reminder emails go out: to you, and to anyone you set as a contact.

  3. Day 90

    Your grace period ends. Your stewards can offer you more time. Your family can begin a claim.

  4. Day 91

    Your named recipients sign together. Your family quorum, M of N.

  5. Day 91 + 20 min

    The 20-minute cool-off elapses. If anything is wrong, you can pull the alarm.

  6. Day 91

    Each recipient pulls their share, on their own time, on the chain you chose.

Outcome

Your family quorum signs together, waits 20 minutes for the cool-off window, and pulls each person's share. No single heir acts alone.

Recovery

You can lose the walletand still come back.

The first question most people ask is also the right one: "What happens if I lose my wallet tomorrow?" Here is the answer, end to end.

Recovery is gated by people you choose. It runs on a seven-day clock. You can cancel it at any point during that window. We never hold a key, never approve a recovery on our own, and never can.

See the contract that enforces this →
  1. Day 0. You realize.

    Lost phone. Stolen wallet. Forgotten passphrase. Whatever it is, you tell us and your guardians from any device, any country.

  2. Days 1–3. Your guardians sign.

    The trusted people you named at setup confirm it's really you. They sign with their own wallets. We don't have keys to anything.

  3. Days 1–7. You can cancel.

    Even after guardians sign, the seven-day window is yours. Pull the alarm, change your mind, anything. We default to slow.

  4. Day 7. Access restored.

    If nothing was cancelled, your vault is now controlled by your new wallet. Heirs, rules, balances. All preserved exactly.

Guardian-gated

Recovery only proceeds with your chosen guardians' signatures.

Owner-cancellable

You can cancel during the entire 7-day window. Bad day, no problem.

Heir-overridable

In the rare case of guardian collusion, your heirs can reset stewards together.

Ready to set this up?

Set up takes about 10 minutes. Or book a 30-minute call and we'll sit beside you while you do it. We never see your keys.