The most absurd 'crypto inheritance list' I have ever seen was one where someone wrote 24 seed phrase words directly in the body of a will.
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A will may be notarized and may even go through probate court. Once that process happens, the document is no longer private. Anyone who can access the file and read English could drain your life savings in one move.
So the real question is practical: on a crypto inheritance list, which information must be written down, and which information is like taping your private key to a telephone pole?
The Basic Rule: What Information Can Be Left, and What Must Never Be Left
There is only one test: if this information leaks, does it allow a third party to immediately take the assets?
- Information you must never leave (leak = immediate loss of asset control):
- Seed phrase (recovery phrase)
- Private key
- Hardware wallet PIN code
- Crypto wallet unlock password
- Information you must leave (guidance clues that cannot be used directly to move assets if leaked):
- What crypto assets you own (the coin type and amount; if you don't know the exact amount, just knowing the asset exists is enough)
- Where those assets are held (in an on-chain wallet, an exchange account, or a DeFi protocol?)
- The storage location of the materials needed to recover the assets (which bank safe deposit box holds the seed phrase? Which computer has the recovery instructions?)
- The hardware wallet brand and model
- The exchange account username or registered email (not the password, and not the 2FA key)
How to Write the List: Two Types of Assets, Two Approaches
Your crypto assets generally fall into two categories: self-custody wallets and exchange accounts. The way you leave information for each is completely different.
Case A: On-Chain Self-Custody Assets (Hardware Wallet / Software Wallet)
For on-chain assets, exchanges and any third party cannot reset your password for you. The only proof of ownership is the seed phrase.
- [What to do]: Tell your family that the asset exists and where to find all the materials needed to recover it, but do not give any credential that can directly recover it.
- [How to do it]: Write the following in the inheritance list, never write the seed phrase itself:
- Asset existence statement: 'I hold a Bitcoin/Ethereum asset, mainly managed through a [Ledger/Trezor/other brand] hardware wallet.'
- Seed phrase storage location: 'The 24 English words needed to recover the wallet are stored in [XX bank safe deposit box / sealed envelope at the lawyer's office / your parents' safe], contact person [name + phone].'
- Recovery instructions storage location: 'A printed guide called How to Recover a Wallet with a Seed Phrase is stored in [the same place as the device / a place separate from the seed phrase]. The guide does not contain the seed phrase.'
- Device location: 'The hardware wallet itself is stored in [a study drawer / an office safe].'
- [Completion standard]: After the list is finished, you have a document that does not contain any seed phrase, private key, or password. Anyone who gets this list alone cannot use it to take the assets. The assets are exposed only if the list and the seed phrase both fall into the same person's hands. That is the safety boundary of keeping them separate.
Some people split the seed phrase into 2-3 parts (Shamir backup) and give them to different people. If you do this, the list should state: 'The seed phrase has been split into X parts, held separately by [names], and at least Y parts are required to recover it.' Do not write the splitting method into the will; it is safer to leave a separate explanation with your lawyer.
Case B: Centralized Exchange Accounts (e.g., Binance / OKX)
Centralized exchanges are different. The assets in the account are actually held by the platform, and legally the platform recognizes that after the account holder dies, heirs can apply to inherit the account.
- [What to do]: Let your heirs know which exchange accounts you have and how to submit an inheritance application to the platform.
- [How to do it]:
- List the full name of each exchange you use (e.g., Binance, OKX) in the list.
- Write down the registered email or user ID (not the password).
- Additional note: 'The heir needs to contact exchange customer service and submit a death certificate, proof of inheritance (will or proof of relationship), and their own identity document. After identity verification is completed, the assets can be transferred out.'
- [Completion standard]: The list clearly states which platform and which account was registered, but not the password. The exchange inheritance process clearly requires 'submitting legally valid inheritance documents,' so this information is appropriate.
⚠️ Common Reasons for Failure
- Writing the seed phrase into the will itself: This is the most typical path to assets disappearing. Once a will enters probate, it may become a public document. The most heartbreaking situation I have seen was someone who wrote a few hundred words explaining the seed phrase; when the will was executed, the seed phrase passed through many hands and the assets were moved.
- The list only says 'I have crypto' but not 'where to find it': Your family knows you hold valuable assets but has no idea where to look. This is extremely common in private key loss statistics — some research estimates that about 20% of Bitcoin may be permanently inaccessible because of lost private keys.
- Over-relying on exchanges: Exchange accounts have a relatively clear inheritance process, but if you use a decentralized exchange or an on-chain wallet, there is no platform customer service to contact. You must rely on a self-custody recovery plan.
🚨 Risk Reminder
In the field of crypto inheritance, the risk of information leaks and the risk of insufficient information are opposite ends of a seesaw. If the list is too detailed, the wrong person seeing it could be a disaster. If it is too vague, your family may never find the assets, and your holdings will be locked on-chain forever.
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How to Check That the List Works
After completing the list, give it to your executor or lawyer. Then do one thing: give the list (without the seed phrase) to a trusted friend and see whether they can use the description to find where the seed phrase is and how to use it.
If they are completely confused, your list is too vague and needs more key clues (but still never write the seed phrase itself). If they can find it smoothly, the instructions work.
Check every six months: Have your assets changed? Is the seed phrase custodian still in place? Has the exchange closed your account? When updating the list, only change 'where it is stored' and 'who the contact person is.' Never change the part about 'what the seed phrase is' — that part should never appear on the list at all.
