Roughly 20% of all Bitcoin in circulation — an estimated 3 to 4 million coins — is considered permanently lost. Some of it belongs to early miners who discarded hard drives. Some of it belongs to people who forgot their passwords. And a growing fraction belongs to people who died without telling anyone where their keys were stored.
Cryptocurrency is the most unforgiving asset class in existence when it comes to inheritance. With a traditional bank account, your executor can walk into a branch with a death certificate and a letters testamentary document and eventually get access. With crypto, there is no branch. There is no customer service line. There is no legal process for recovery. If no one has the keys, the assets are gone forever — and no amount of grief or legal authority will change that.
If you hold any meaningful amount of cryptocurrency, planning for its inheritance is not optional. Here is what you need to understand and what you need to do.
Why Crypto Inheritance Is Uniquely Hard
Every other financial asset has an intermediary — a bank, a brokerage, a government registry — that maintains a record of ownership separate from the holder's personal possession. That intermediary provides a recovery path when the original owner dies. You don't need their login password to claim a bank account because the bank knows who owns it.
Cryptocurrency inverts this model entirely. In a self-custody wallet, possession of the keys is ownership. The blockchain records a balance associated with an address, but it has no concept of who should control that address or what happens when the keyholder dies. There is no "customer of record." There is no recovery email. There is nothing to subpoena.
This is by design — it is what makes cryptocurrency censorship-resistant and self-sovereign. But it also means that every protection against theft is simultaneously a barrier to inheritance. The security model that prevents hackers from stealing your crypto is the same model that will prevent your family from accessing it after your death if you don't plan ahead.
Hot Wallets, Cold Wallets, and Exchange Accounts: What's Different
Exchange Accounts (Coinbase, Kraken, Gemini)
Exchange-held crypto is the most similar to a traditional financial account. Coinbase, Kraken, Gemini, and similar regulated exchanges maintain records of account holders and have formal processes — varying by exchange and jurisdiction — for estates to claim assets. Your executor will typically need to provide a death certificate, government ID, and a letters testamentary document. The process can take weeks to months, and it requires knowing the account exists and having access to the email address associated with it. Without the email, the process becomes significantly harder.
Hot Wallets (MetaMask, Trust Wallet, Phantom)
Software wallets installed on your phone or browser hold private keys locally. There is no company involved — the wallet software is just a key management interface. If your beneficiary doesn't have your seed phrase, they have no path to recovery. Full stop. The wallet application itself is irrelevant; what matters is the 12- or 24-word seed phrase that was generated when the wallet was created.
Cold Wallets (Ledger, Trezor)
Hardware wallets store keys on a dedicated physical device, adding a layer of security against remote attacks. But for inheritance purposes, this introduces two requirements: the physical device itself and the PIN to unlock it, or alternatively, the seed phrase that can be used to restore the wallet on any compatible device. The seed phrase is always the master recovery mechanism. If the device is lost or the PIN is forgotten, the seed phrase is the only way in.
The Seed Phrase Problem
A seed phrase is a sequence of 12 or 24 common English words generated when a wallet is created. These words encode your private key in a human-readable format. Anyone who has your seed phrase has complete, irrevocable control of every asset in that wallet — forever. There is no way to revoke a compromised seed phrase. You can only move assets to a new wallet with a new seed phrase.
This creates a fundamental tension. Your seed phrase must be recorded somewhere so that it can be passed on. But wherever it's recorded is a potential attack surface. A seed phrase stored in a notes app, emailed to yourself, photographed, or stored in a cloud drive is a seed phrase that can be stolen. This is not theoretical — phishing campaigns, data breaches, and household theft all target seed phrase exposure specifically.
Security warning: Never store your seed phrase in a password manager, cloud drive, email, or any internet-connected storage. A seed phrase is the only key to an account with no fraud department and no recovery process — treat it with more care than you would cash. Physical storage, encrypted and in a secure location, is the standard recommendation.
A Practical Inheritance Plan for Crypto
Step 1: Write It Down, Physically
Your seed phrase needs to exist in written form that survives your death. Metal seed phrase storage products (etched steel plates) are purpose-built for this — they survive fire, water, and physical damage that would destroy paper. At minimum, write it clearly on paper, verify it twice, and store it somewhere physically secure.
Step 2: Encrypt It for Secure Long-Term Storage
If you store seed phrases digitally — for example, in an estate planning vault — encrypt them. Clarmont uses AES-256-GCM encryption for all sensitive vault data, including crypto wallet credentials. The seed phrase is only accessible to users you've explicitly granted access. This means it's protected against unauthorized access while alive, and accessible to your designated beneficiary when needed.
Step 3: Document Everything Your Family Will Need
Your beneficiary needs more than just the seed phrase. They need to know: which blockchain or wallets are associated with it, what exchange accounts exist and the email addresses tied to them, whether there are any hardware devices they need to find, and what the approximate balances are so they know whether the effort of recovery is warranted. A single notes document with this context, stored securely alongside the seed phrase, can save weeks of confusion.
Step 4: Designate a Trusted Beneficiary with Access Controls
Crypto inheritance requires trusting someone with information that is equivalent to cash. That person needs to be designated explicitly, needs to know that they're designated, and ideally needs a basic understanding of how to use the information they'll receive. Providing seed phrases to a beneficiary who has no idea what to do with them is only marginally better than not providing them at all. A brief conversation — or a written guide stored alongside the credentials — goes a long way.
Exchange Account Transfer Process
For exchange-held assets, the process varies by platform but generally follows the same pattern. The executor contacts the exchange's estate or bereavement team and submits a formal claim. Required documents typically include a certified copy of the death certificate, the executor's government-issued ID, letters testamentary or equivalent executor authorization from the probate court, and proof of the account holder's identity (which may require documents the account holder provided during KYC verification).
Coinbase has a dedicated estate resolution process with an average resolution time of 30 to 60 days in straightforward cases. Kraken requires similar documentation and handles estate claims through their support system. Most major exchanges have established processes, but the process is easier in every case when the executor knows which exchange is involved and has access to the associated email account. This is why documenting your crypto holdings — including the exchange, the associated email address, and approximate balances — is as important as storing the seed phrases.
Cryptocurrency represents a real and growing share of household wealth. Unlike every other asset class, it has no built-in safety net for inheritance. The plan you make today — or don't make — is the only protection your family will have.