March 30, 2026 · Bitcoin & Law

Why “Include Digital Assets in Your Trust” Is Not a Plan

If you own Bitcoin and you have talked to an estate planning attorney about it, there is a good chance you received some version of this advice: “We’ll include digital assets in your trust.”

Your attorney added a paragraph. Maybe two. The trust now references “digital assets, including but not limited to cryptocurrency, digital currencies, tokens, and virtual currencies.” You felt responsible. You checked the box. You moved on.

Your Bitcoin is no safer than it was before that paragraph was written.

I say this as a California-licensed attorney (Bar #343622) who is also a solo Bitcoin miner running an Avalon Q ASIC on solar power and operating a full node. I understand both sides of this problem — the legal architecture and the technical reality — and the gap between them is where fortunes disappear.

What the Boilerplate Actually Says

Let me show you what most estate planning attorneys include when a client mentions cryptocurrency. The language varies, but the substance is almost always the same:

“Digital assets, including but not limited to digital currencies, cryptocurrency, virtual currencies, tokens, and any other electronically stored assets, together with all rights, privileges, and interests therein.”

This is definitional language. It tells the court what category of property is included in the trust. That is all it does. It does not tell anyone:

It is the equivalent of writing “I leave my gold to my children” without mentioning that the gold is buried in the backyard, three feet down, next to the oak tree, inside a locked container, and here is the combination. Except with Bitcoin, there is no metal detector. If you do not tell them where to dig and how to open the box, the gold might as well not exist.

The Problem Is Not Legal. The Problem Is Technical.

Estate planning attorneys are excellent at what they do. They build legal structures that control how assets move from one person to another, when those transfers happen, and under what conditions. Revocable living trusts, pour-over wills, powers of attorney, beneficiary designations — these are sophisticated tools for managing the legal side of wealth transfer.

But Bitcoin does not operate in the legal system’s jurisdiction. The Bitcoin network has no concept of a trustee, a beneficiary, or a court order. It operates on cryptographic proof. If you can produce a valid digital signature using the private key that controls a particular set of Bitcoin, you can move that Bitcoin. If you cannot produce that signature, you cannot. No judge can change this. No petition can override it.

This means that the entire edifice of estate planning law — the trusts, the wills, the probate courts, the fiduciary duties — operates one layer above the actual problem. The legal documents establish who should receive the Bitcoin. The technical access problem determines whether they can.

Most estate plans address the first problem and ignore the second. That is like building a beautiful bridge that stops ten feet short of the other side.

Where the Standard Advice Goes Wrong

Let me be specific about the failure modes I see in practice.

Failure Mode 1: “We Referenced Digital Assets in the Schedule of Trust Assets”

Some attorneys go beyond boilerplate and actually schedule the cryptocurrency as a trust asset. The Schedule A of the trust might say: “Approximately 2.5 BTC held in self-custody.” This is better than nothing. It at least confirms the asset exists and is meant to be governed by the trust. But it still provides zero technical access information. The successor trustee now knows there is Bitcoin. They still have no idea how to touch it.

Failure Mode 2: “We Put the Seed Phrase in a Sealed Envelope in the Safe”

This is the most common “plan” I encounter, and it is dangerously flawed in multiple ways.

First, a seed phrase stored in one location is a single point of failure. If that safe is compromised — fire, theft, flood, a family member who opens the envelope prematurely — the entire stack of Bitcoin is exposed or lost.

Second, a seed phrase without instructions is nearly useless to a non-technical heir. Hand a 24-word mnemonic to someone who has never used a Bitcoin wallet, and they will not know what to do with it. They will Google it. They will type those words into a website. They will get scammed. I have seen this happen.

Third, storing the seed phrase in a location referenced by the trust document creates a security risk during the holder’s lifetime. Anyone with access to the trust — and trusts are shared with attorneys, co-trustees, sometimes family members — now knows that the key to a potentially significant amount of money is sitting in a specific safe in a specific location.

Failure Mode 3: “The Attorney Said to List the Exchange Login in the Digital Asset Memo”

Some estate plans include a “digital asset memorandum” — a separate document listing usernames, passwords, and PINs for various accounts. For an email account or a social media profile, this approach is fine. For a cryptocurrency exchange account, it is inadequate and potentially dangerous.

Exchange accounts have two-factor authentication. They have withdrawal limits. They have identity verification requirements. They may freeze accounts upon notification of the account holder’s death. The successor trustee cannot simply log in with a username and password and transfer funds. They need to go through the exchange’s inheritance process, which varies by platform and can take weeks or months.

And if the Bitcoin is in self-custody — which, if you are reading this, it probably should be — an exchange login is irrelevant entirely.

Failure Mode 4: “The Attorney Said the Trustee Can Figure It Out”

This is the most irresponsible version of the advice, and unfortunately it is not uncommon. The assumption is that the successor trustee will be able to research the topic, find the necessary information, and execute the technical steps required to access and transfer the Bitcoin.

Consider what that actually requires. The trustee — who may be a surviving spouse, an adult child, or a professional fiduciary — needs to identify the custody method, locate the private key material, understand the wallet software, verify balances, construct a transaction, set an appropriate fee, confirm the destination address character by character, and execute an irreversible transfer. A single mistake at any stage — a wrong address, a malware-compromised computer, a phishing site masquerading as a wallet interface — means permanent loss.

Asking a grieving family member to do this without preparation is not estate planning. It is negligence with extra steps.

What Estate Planning Attorneys Should Be Doing Instead

I am not here to criticize my colleagues. The legal profession is generally behind on Bitcoin because Bitcoin is genuinely different from anything the profession has dealt with before. There is no precedent for an asset that cannot be frozen, seized, or transferred by court order. The legal tools were not built for this.

But attorneys who advise clients with significant cryptocurrency holdings have a duty to go further than boilerplate. Here is what a real digital asset estate plan requires:

1. A Custody Audit

Before drafting anything, the attorney needs to understand how the client’s Bitcoin is actually held. Is it on an exchange? Which one? Is it in self-custody? Single-signature or multisig? What hardware is involved? What backup mechanisms exist? Is a passphrase in use?

This is not a legal question. It is a technical inventory. But without it, the legal documents are built on a foundation of ignorance.

If the attorney is not qualified to conduct this audit — and most are not, which is perfectly reasonable — then the attorney should bring in someone who is. A Bitcoin-literate technical advisor, a custody consultant, or an attorney who specializes in this intersection.

2. A Technical Access Document (Heir Letter)

This is the single most important document in a Bitcoin estate plan, and it does not exist in any standard estate planning template library. It is a step-by-step guide, written for a non-technical person, explaining exactly how to access and transfer the Bitcoin.

A proper heir letter covers:

This document must be physically secured, updated regularly, and — critically — tested. The heir or executor should walk through the process at least once under supervision.

3. Executor or Trustee Selection with Technical Competence in Mind

The person who administers your estate needs to be able to handle the technical side, or the plan needs to account for the fact that they cannot. Options include:

The worst outcome is a successor trustee who has the legal authority to manage the Bitcoin but no technical ability to do so, and no authorized person to help.

4. A Security Architecture That Survives the Holder

Single-signature wallets with one seed phrase backup are not estate-planning-compatible. Period. The security model depends on one person being alive, competent, and accessible. Remove that person, and the model collapses.

Multisignature configurations — 2-of-3, 3-of-5 — distribute key material across multiple parties and locations. This eliminates the single point of failure while maintaining security. A 2-of-3 multisig can be configured so that the holder has one key, a trusted family member has another, and a third is held by an attorney or secured in a bank vault. Any two of the three can authorize a transaction. No single key compromise results in loss.

This is not just a security best practice. It is the technical prerequisite for any Bitcoin estate plan that can actually function.

5. Incapacity Provisions with Real Teeth

Death is not the only trigger. Incapacity — a stroke, a traumatic brain injury, progressive cognitive decline — creates the same access problem with an added complication: the holder is still alive, the trust may not have been activated, and the power of attorney may or may not be accepted by the parties involved.

The estate plan must specifically authorize the agent under the power of attorney to access and manage digital assets, use the technical access materials, and make transfers if necessary to fund the principal’s care. Vague references to “all property” are insufficient. The authorization needs to be explicit, and the technical access materials need to be available to the agent, not just the successor trustee.

The Real Standard of Care

Here is the uncomfortable truth for estate planning attorneys: if your client holds significant self-custody Bitcoin and your plan consists of boilerplate digital asset language in a trust document, you have not solved the problem. You have created a false sense of security, which is worse than no plan at all — because at least a client with no plan knows they are exposed.

A client who has been told “we included digital assets in your trust” believes they are covered. They are not. And when they die, their family will discover the gap at the worst possible moment.

The standard of care for digital asset estate planning is evolving. The Uniform Law Commission’s Revised Uniform Fiduciary Access to Digital Assets Act (RUFADAA), adopted in some form by most states including California, addresses fiduciary access to digital accounts. But RUFADAA is primarily about accounts and custodians — it does not solve the self-custody access problem. The real work is in the technical layer, and attorneys who advise Bitcoin holders need to either develop that competence or partner with someone who has it.

What You Should Do Right Now

If you are a Bitcoin holder with a trust that “includes digital assets,” ask yourself this question: If you died tonight, could your successor trustee actually access your Bitcoin within 30 days, without losing any of it, without getting scammed, and without needing to hire a forensic cryptocurrency specialist?

If the answer is not a confident yes, you do not have a plan. You have a paragraph.

I work with self-custody Bitcoin holders to build estate plans that actually function — plans that bridge the gap between the legal documents and the technical access. If your situation requires a tailored approach, book a consultation and let us build it.

If you want to start on your own, the legal framework and technical documents you need are in the Bitcoin Inheritance Kit. It is built for people who hold their own keys and understand that “include digital assets in your trust” was never going to be enough.

Asaf Fulks is a California-licensed attorney (Bar #343622), solo Bitcoin miner, and full node operator. He advises self-custody Bitcoin holders on estate planning, inheritance structures, and digital asset security at asaffulkslaw.com.