Crypto Inheritance

Don’t let your Bitcoin die with you.

40 million Americans own cryptocurrency. Most have no plan. Henedo stores your recovery phrases encrypted end-to-end, delivers split keys to trusted heirs on physical metal cards, and releases access only if the dead man’s switch fires.

Protect your cryptoHow the DMS works

The $140 billion problem

Ledger estimates billions in Bitcoin are permanently lost because holders died without leaving their recovery phrase to family. Most crypto owners have never written a will. Most of those who have, never documented their wallets in it. And even when they do, storing a 24-word seed in a filing cabinet is a security catastrophe.

Henedo is the only platform purpose-built for this intersection: zero-knowledge encrypted seed-phrase storage, split-key delivery to trusted heirs, and a dead man’s switch that controls release.

How split-key delivery works

On Legacy and Eternal Vault tiers, your trusted contact receives an engraved metal NFC card with 24 characters of their decryption key. Separately, they receive 20 more characters by email. Neither half is useful alone, and the platform itself never has the complete key, not even at production time.

Card (laser-engraved):  ABCDEF-GHIJKL-MNOPQR-STUV   (24 chars)
Email completion code:  9XfK-2LmQ-7RzP-4T8W-YH3A    (20 chars)
                        ───────────────────────
Combined + Argon2id(256 MB) → decryption key
Server-side DMS gate        → serves ciphertext only if is_active = true

Stolen card without email: useless. Compromised email without card: useless. Both + before DMS fires: useless, the server returns 403. See the full cryptographic detail.

What to store per wallet

Hardware wallets

  • Seed phrase (12/24 words)
  • Passphrase addendum (if set)
  • Derivation path
  • Wallet model + firmware version
  • Location of the physical device

Software / mobile wallets

  • Seed phrase
  • App passphrase / biometric override
  • Connected dApps and DeFi positions
  • Staking arrangements

Exchange accounts

  • Username / email
  • Password
  • 2FA backup codes
  • Beneficiary form status at the exchange

NFTs and on-chain assets

  • Contract addresses of notable holdings
  • Any time-locked or vesting contracts
  • ENS / handle ownership
  • Multisig signer agreements

FAQ

Without a plan, it is lost forever. The recovery phrase dies with you. Ledger estimates billions in Bitcoin are permanently inaccessible for exactly this reason. Henedo solves the problem with encrypted vault storage plus split-key delivery to trusted inheritors.

Yes, when it’s zero-knowledge encrypted. Henedo encrypts your recovery phrase client-side with AES-256-GCM using a key derived from your passphrase + device-bound ASK. The server stores only ciphertext. Even a full breach yields nothing.

Only the trusted contacts you designate, and only if the dead man’s switch fires after 180+ days of inactivity plus a 5-week warning cascade. Each contact receives their decryption key the day you add them, via an engraved metal NFC card (Legacy/Eternal tier) or an email code (Guardian tier).

Yes. You store the seed phrase (12/24 words) and any PIN or passphrase addendum in the Henedo vault. Your inheritor combines this with the physical device to restore your holdings.

Anything recoverable with a seed phrase is covered (ETH, BTC, most L1 and L2 chains, wallets holding NFTs). Centralized exchange accounts (Coinbase, Kraken, Binance) should be recorded as instructions + credentials, those institutions have their own inheritance protocols and Henedo stores the access information they’ll require.

Your family cannot guess your seed phrase.

Ten minutes now saves them everything later. Encrypted end-to-end. Released only on your terms.

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