What Happens If an Executor Cannot Locate a Deceased Person's Private Keys?
An executor’s legal authority to manage an estate doesn’t automatically translate into the ability to access every asset in it. Self-custodied crypto is one of the clearest examples of that gap.
The short answer
If a deceased person held cryptocurrency in a self-custody wallet and the private keys or seed phrase can’t be located, an executor generally cannot access those funds, regardless of their legal authority over the estate. Unlike a bank account, there’s no institution to petition or override; the cryptographic keys themselves are the only way in, and without them the assets typically remain permanently inaccessible, even though they still technically exist on the blockchain and may still need to be accounted for in the estate.
Why legal authority doesn’t substitute for the keys
Court documents like letters testamentary give an executor authority to act on behalf of an estate with banks, brokerages, and other institutions, because those institutions can verify the executor’s authority and grant access accordingly. A self-custodied crypto wallet has no such intermediary. Access depends entirely on cryptographic proof — knowing the private key or seed phrase — not on a legal document a court can issue. This is the practical meaning behind the idea that not your keys, not your coins applies just as much after death as it does during someone’s lifetime.
What an executor can realistically do
- Search thoroughly for physical or digital records. Seed phrases are sometimes written down, stored in a safe, saved in a password manager, or kept with other estate documents; a careful search is often the only real path to recovery.
- Check whether a hardware wallet exists and whether its PIN is known. A device without a known PIN presents the same access problem in miniature, where the hardware exists but remains functionally useless without the credential to unlock it.
- Review any power of attorney or estate planning documents for guidance. Some estate plans anticipate this problem directly; specific language addressing digital assets in planning documents can sometimes point toward where keys are stored, even if the documents themselves don’t grant technical access.
- Consult a probate attorney about how to treat the asset on estate filings. Even permanently inaccessible crypto may still need to be disclosed or addressed in probate proceedings, depending on state law and the specifics of the estate.
Why this is different from a forgotten password elsewhere
Losing access to an exchange account is a different problem, since the exchange itself can often verify identity and authority through its own account recovery process, typically involving identity documents rather than cryptographic proof. Self-custody removes that intermediary entirely, which is the tradeoff for the added control it provides during someone’s lifetime: no company to appeal to, but also no company that can freeze or restrict the funds while they’re alive.
Why planning ahead matters more for crypto than other assets
This scenario is a core reason a crypto estate plan is treated as its own category of planning rather than an afterthought folded into a general will. Traditional estate assets rely on institutions that can verify legal authority after the fact; self-custodied crypto relies on information that has to be deliberately preserved and made accessible to the right people in advance, since there’s no institution standing by to help later.
The takeaway
Legal authority over an estate and technical access to self-custodied crypto are two separate things, and only one of them can be granted by a court. When the private keys are gone, the funds generally are too — which is exactly why passing on that access deliberately, ahead of time, matters as much as any other part of an estate plan.