In November 2022, FTX collapsed in a matter of days. Over one million customers woke up to discover that the Bitcoin they thought they owned was gone — not stolen in the traditional sense, but legally inaccessible, frozen inside a bankruptcy estate controlled by a court-appointed trustee. The customers who held BTC at FTX didn't get their Bitcoin back. They received claims against an insolvent company.

FTX wasn't an isolated event. It was the loudest alarm in a pattern that had already repeated itself across Celsius, BlockFi, Voyager, and Mt. Gox before them. The combined customer losses across major exchange failures exceed $15 billion — and those are just the headline numbers. The real cost, when you account for missed appreciation during years-long bankruptcy proceedings, is orders of magnitude larger.

For most exchange customers, these collapses were expensive lessons in counterparty risk. For families engaged in Bitcoin estate planning, they should have been a fire alarm.

Because here's the question almost nobody asked during the FTX fallout: what happens when the person holding Bitcoin at a failed exchange is dead?

What happens when a Bitcoin holder passes away, their BTC sits at an exchange, and that exchange subsequently goes bankrupt? What rights do heirs have? What can an executor actually do? And does the entire estate plan — the trust, the beneficiary designations, the careful documentation — survive a bankruptcy proceeding?

The answers are sobering. And if your family holds significant Bitcoin at any exchange, they should reshape how you think about custody architecture within your estate plan.

1. The Exchange Bankruptcy Lesson

"Not your keys, not your coins" is not a meme. It is a precise legal description of what happens when a custodial intermediary fails.

Consider the pattern:

FTX — $8 billion fraud (November 2022). Customer funds commingled with Alameda Research's trading operations. Billions in unauthorized loans. No segregation of customer assets. Over one million customers became unsecured creditors overnight. The bankruptcy estate eventually recovered enough assets to pay approximately 118 cents on the dollar — based on November 2022 values when Bitcoin traded around $16,000. By the time distributions began in 2025, Bitcoin had recovered to well above $80,000. A customer who held 10 BTC at FTX received a claim valued at roughly $160,000 — not the $800,000+ those 10 BTC would have been worth on the open market. The 118% recovery sounds generous until you do the math on opportunity cost.

Celsius — $4.7 billion gap (July 2022). Celsius marketed itself as a savings platform offering yields on Bitcoin deposits. Behind the scenes, customer Bitcoin was being deployed into DeFi protocols, rehypothecated, and used to fund unsecured loans. When the crypto market contracted, Celsius couldn't meet withdrawals. Customer Bitcoin was trapped. The bankruptcy proceeding lasted over a year, and creditors received a mix of equity in a new company and partial BTC distributions — at significant discounts to the value they deposited.

BlockFi — $1.2 billion (November 2022). BlockFi's collapse was directly caused by its exposure to FTX and Alameda Research. Customers who deposited Bitcoin into BlockFi interest accounts became general unsecured creditors. The distinction between BlockFi's wallet accounts (which received better treatment) and interest accounts (which received worse treatment) illustrated how exchange terms of service can create hidden hierarchies among customers.

Voyager — $1.2 billion (July 2022). Voyager marketed itself as "the crypto broker you can trust." Its marketing materials implied FDIC insurance coverage — a claim the FDIC itself issued a cease-and-desist order against. When Voyager failed, customers discovered their Bitcoin was not segregated, not insured, and not their property. They were unsecured creditors in a bankruptcy proceeding that took over a year to resolve.

Mt. Gox — 850,000 BTC (February 2014). The original exchange failure. Creditors waited over a decade — ten years — for partial distributions. Some creditors died during the wait, leaving their bankruptcy claims to heirs who then had to navigate both probate and an international bankruptcy proceeding in Japanese courts.

The pattern is consistent: exchanges fail, customer Bitcoin is trapped, customers become unsecured creditors, and the resolution takes years. For estate planning, this pattern isn't just a risk — it's an existential threat to the orderly transfer of generational wealth.

2. Bankruptcy Treatment of Exchange Customers

Understanding why exchange customers fare poorly in bankruptcy requires understanding two foundational legal concepts: the nature of the customer-exchange relationship, and the priority waterfall in bankruptcy proceedings.

You Hold a Credit Claim, Not Property

When you hold Bitcoin in your own wallet — a hardware device, a multi-signature setup, even a paper wallet — you hold actual Bitcoin. You control the private keys. The Bitcoin is yours in the most fundamental sense: no intermediary can prevent you from transacting with it.

When you hold Bitcoin at an exchange, you do not hold Bitcoin. You hold a credit claim against that exchange. The exchange holds Bitcoin (or claims to), and you have an account balance that represents your share of whatever pool they maintain. The legal relationship is closer to a bank deposit than a safe deposit box, with one critical difference: bank deposits are insured by the FDIC up to $250,000. Exchange balances are not insured by anything comparable.

This distinction — property versus credit claim — is not a technicality. It is the single most important legal fact in Bitcoin estate planning, and it determines everything that happens when an exchange fails.

The Bankruptcy Priority Waterfall

In a Chapter 11 bankruptcy, the typical priority waterfall is:

  1. Secured creditors — those with collateral pledged against their claims
  2. Administrative expenses — attorneys, accountants, and professionals running the bankruptcy process (these fees can consume tens or hundreds of millions of dollars)
  3. Priority unsecured claims — wages owed to employees, tax obligations, and certain other statutorily preferred claims
  4. General unsecured creditors — this is where exchange customers typically fall
  5. Equity holders — shareholders of the exchange, who typically receive nothing

Exchange customers are general unsecured creditors. They stand behind secured lenders, behind the army of attorneys and consultants billing $1,000+ per hour to administer the bankruptcy, and behind employee wage claims and tax authorities. Whatever is left gets divided among customers — pro rata, based on account balances at the petition date.

How This Differs from FDIC-Insured Bank Accounts

When a bank fails, the FDIC steps in — typically over a weekend — and depositors have access to their insured funds within days. The process is orderly, government-backed, and has worked reliably through hundreds of bank failures since 1933.

When an exchange fails, there is no FDIC. There is no government backstop. There is a bankruptcy court, a trustee, a team of lawyers billing millions per month, and a multi-year process that distributes whatever assets can be recovered. The difference isn't marginal — it's structural. Bank depositors are protected by insurance. Exchange customers are protected by nothing except the solvency of a private company operating in a lightly regulated industry.

For estate planning, this distinction is critical. An estate planner who treats exchange-held Bitcoin the same as a bank account is making a fundamental category error.

3. Estate Planning Implications

Exchange counterparty risk doesn't just affect the Bitcoin holder during their lifetime. It creates a cascade of problems that ripple through the entire estate plan, affecting heirs, executors, trustees, and the tax treatment of inherited assets.

The Asset You Think You're Passing Isn't What You're Passing

When a Bitcoin holder with exchange-held BTC creates an estate plan — a revocable trust, a will, beneficiary designations — they are planning around what they believe is an asset: Bitcoin. But what they actually hold is a credit claim against a company. The distinction matters profoundly:

  • Bitcoin (self-custody) is property. It transfers directly. Its value at the time of death determines the stepped-up cost basis for heirs. The executor controls the timing and method of transfer.
  • An exchange account balance is a contractual right. It transfers subject to the exchange's terms of service, inheritance policies, and — in the worst case — bankruptcy proceedings. The executor does not control the timing. The value received may be determined by a bankruptcy court, not the market.

If the exchange is solvent at the time of the holder's death, the practical difference may be modest — the executor works with the exchange to transfer the account, and heirs eventually receive the Bitcoin or its value. But if the exchange fails — before, during, or after the estate settlement process — the difference becomes catastrophic.

Exchange Bankruptcy at Death: The Valuation Nightmare

Estate tax is calculated on the fair market value of assets at the date of death (or the alternate valuation date, six months later). For self-custodied Bitcoin, this is straightforward: look up the BTC price on the date of death, multiply by holdings.

For exchange-held Bitcoin that is frozen in a bankruptcy proceeding, the valuation becomes genuinely complex:

  • Is the value the BTC price at the date of death? Or the expected recovery value of the bankruptcy claim?
  • If the exchange filed for bankruptcy before the holder died, the asset isn't "Bitcoin" — it's an "unsecured bankruptcy claim." These trade on secondary markets at significant discounts.
  • If the exchange files for bankruptcy after the holder dies but before the estate is settled, the character of the asset changes mid-administration.
  • Estate tax may be owed on the full Bitcoin value, while the estate ultimately receives only a fraction of that value through bankruptcy distributions.

This creates the nightmare scenario: an estate that owes hundreds of thousands (or millions) in estate tax on Bitcoin it cannot access, valued at a price it will never actually receive.

The Trust Problem

If a revocable trust is the named owner of an exchange account, the trust's ownership claim converts to a creditor claim in bankruptcy. The trust doesn't have a senior position. It stands in line with every other unsecured creditor. The carefully drafted trust instrument — with its distribution provisions, tax planning, and generational wealth transfer mechanisms — becomes irrelevant. The trust holds a bankruptcy claim, not Bitcoin.

For irrevocable trusts, the problem compounds further. An irrevocable trust holding an exchange account with frozen Bitcoin may have ongoing administrative costs, trustee fees, and tax filing requirements — all while holding an asset that cannot be distributed, sold, or used for years.

4. Self-Custody as Estate Planning

For families holding significant Bitcoin — the kind of positions that warrant formal estate planning — self-custody is the only approach that eliminates exchange counterparty risk entirely.

When Bitcoin is held in self-custody, there is no exchange that can go bankrupt. There is no terms-of-service agreement converting your property interest to a credit claim. There is no omnibus wallet commingling your Bitcoin with other customers' assets. There is no bankruptcy trustee who can freeze your account.

Your Bitcoin sits at an address controlled by your private keys (or a multi-signature arrangement you control), and when you die, your executor uses the instructions and credentials you've provided to transfer that Bitcoin directly to your heirs or into trust.

Why Self-Custody Is Estate Planning

The move from exchange custody to self-custody isn't a technical preference — it's an estate planning decision. Specifically, it is the decision to hold property rather than a credit claim. Every estate planning attorney understands the difference between owning real estate and owning a promissory note from a developer. Self-custody versus exchange custody is the same distinction, applied to Bitcoin.

With self-custody:

  • Your executor transfers actual Bitcoin to heirs — not a claim, not a bankruptcy distribution, not dollars calculated at a filing-date price
  • The stepped-up cost basis applies cleanly to the Bitcoin's market value at the date of death
  • No third-party terms of service can alter the transfer
  • No automatic stay can freeze the asset
  • The timeline is controlled by your executor, not a bankruptcy court

The Complexity Tradeoff

Self-custody for estate planning is more complex than leaving Bitcoin at an exchange. The complexity is real and should not be dismissed:

  • Key management: Private keys must be secured against loss, theft, and physical disaster. A single lost seed phrase can mean permanent loss of Bitcoin — a risk that doesn't exist with exchange custody.
  • Heir access: Your executor and heirs need a documented, tested path to access the Bitcoin after your death. This requires a Letter of Instructions, secure storage of credentials, and ideally a multi-signature arrangement that distributes risk.
  • Technical competence: Someone — the estate owner, a trusted advisor, or the executor — must understand how hardware wallets, seed phrases, and Bitcoin transactions work. This is not knowledge most estate attorneys possess.

But here is the key insight: the complexity of self-custody is finite and manageable. You set it up once, document it thoroughly, review it periodically, and your estate plan controls the asset directly. The risk of exchange bankruptcy during estate settlement is open-ended and potentially catastrophic — and it is entirely outside your control.

🔐

Multisig Hardware Wallet Guide

The definitive guide to setting up multi-signature custody for Bitcoin estate planning — hardware wallet selection, key distribution, and heir access protocols.

Read the Multisig Guide →

5. The Hybrid Approach for HNWIs

For high-net-worth individuals and families, a pure self-custody approach may not be practical for the entirety of their Bitcoin position. Active trading, tax-loss harvesting, institutional lending, and liquidity needs all create legitimate reasons to maintain some exchange exposure. The solution isn't to avoid exchanges entirely — it's to architect the estate plan around a deliberate split between exchange-held and self-custodied Bitcoin.

The 90/10 Framework

Most sophisticated Bitcoin holders operate with some version of the following framework:

  • 90% in self-custody (cold storage): Long-term holdings, generational wealth positions, and any Bitcoin earmarked for trust or estate purposes. This is the core position. It lives in a multi-signature arrangement with documented heir access.
  • 10% maximum on exchanges: Active trading positions, operational liquidity, and short-term needs. Spread across multiple regulated US exchanges. No more than $25,000 on any single exchange for most families (higher thresholds for institutional operations, but always capped).

Estate Plan Distinction

The estate plan should explicitly distinguish between these two categories:

  • Self-custody Bitcoin is documented in the Letter of Instructions with access procedures, device locations, and multi-sig configuration. It transfers directly via the executor.
  • Exchange-held Bitcoin is documented separately with account credentials, 2FA access, and exchange inheritance procedures. The executor's priority for this category is immediate transfer to self-custody or an institutional custodian — before an exchange failure can trap the assets.

The estate plan should also include a maximum exchange exposure threshold that the executor or successor trustee is instructed to maintain. If exchange balances exceed the threshold at the time of death (because the holder was in the middle of a trading strategy, for example), the executor's first action should be to bring balances back under the threshold by withdrawing to cold storage.

Recommended Thresholds

Total Bitcoin Position Max Exchange Exposure (per exchange) Max Total Exchange Exposure Self-Custody Method
Under $100K $25,000 $50,000 Single-sig hardware wallet
$100K–$1M $25,000 $50,000 2-of-3 multisig
$1M–$10M $50,000 $100,000 3-of-5 multisig with geographic distribution
$10M+ $100,000 $250,000 Institutional multisig + directed trust
Institutional Custody Infrastructure

For families and institutions evaluating Bitcoin custody solutions, due diligence on the custody provider is as important as the estate plan itself. Our 36-question framework covers custody architecture, key management, insurance, and operational controls.

Download the 36-Question Due Diligence Framework →

6. Exchange-Held BTC in Trusts and IRAs

Bitcoin ETFs in IRAs

The approval of spot Bitcoin ETFs in January 2024 created a new pathway for holding Bitcoin in retirement accounts. Bitcoin ETFs held in an IRA have a fundamentally different risk profile than exchange-held Bitcoin:

  • No direct exchange risk. ETF shares are securities held at SIPC-member brokerages (Fidelity, Schwab, etc.). If the brokerage fails, SIPC covers up to $500,000 per customer for securities.
  • Custodian risk replaces exchange risk. The ETF itself holds Bitcoin through institutional custodians — Coinbase Custody for most spot ETFs. The risk isn't exchange failure; it's custodian failure. Institutional custodians operate under stricter regulatory requirements than retail exchanges.
  • No self-custody option. IRS rules require IRA assets to be held by a qualified custodian. Self-custody is not permitted for IRA-held Bitcoin. This is a fundamental constraint that makes IRA Bitcoin inherently dependent on custodial intermediaries.
  • Shares, not Bitcoin. ETF holders own shares representing a proportional claim on the fund's Bitcoin holdings. They do not own Bitcoin directly. This is structurally similar to an exchange balance — a claim on an intermediary — but with significantly stronger regulatory protections.

For estate planning, Bitcoin ETFs in IRAs are simpler than exchange-held Bitcoin: they transfer via standard IRA beneficiary designations, which are well-established in law and practice. The counterparty risk exists at the custodian level, not the exchange level, and the brokerage layer has SIPC protection.

Exchange-Held BTC in a Trust

Placing exchange-held Bitcoin into a trust creates the same counterparty risk that exists outside the trust. The trust document may specify that Bitcoin should be held in self-custody, but if the trustee chooses to hold it at an exchange — or if the trust inherited the exchange position from the grantor — the trust's Bitcoin is subject to the same bankruptcy risks as any individual account.

Critical provisions for trust documents holding Bitcoin:

  • Custody requirement clause: Specify that Bitcoin held by the trust must be in self-custody or with a qualified institutional custodian, not at a retail exchange
  • Exchange exposure limits: Set maximum exchange exposure thresholds in the trust instrument itself, giving the trustee a fiduciary obligation to move Bitcoin off-exchange
  • Trustee technical competence: Require that the trustee (or a directed trust advisor) has demonstrated competence in Bitcoin custody operations
  • Emergency withdrawal provisions: Authorize the trustee to move Bitcoin to self-custody immediately upon any sign of exchange distress — without waiting for trust committee approval or beneficiary consent

7. What to Do If Your Exchange Goes Bankrupt During Estate Administration

This is the scenario every executor dreads and almost none are prepared for. The Bitcoin holder has died. The estate is being settled. And the exchange where the Bitcoin is held files for bankruptcy.

Immediate Steps

  1. Confirm the bankruptcy filing. Verify through PACER (Public Access to Court Electronic Records) or the bankruptcy court's website. Note the case number, the assigned judge, and the appointed trustee.
  2. Identify the bar date. The bankruptcy court will set a deadline (the "bar date") for creditors to file proofs of claim. Missing this deadline can result in complete loss of the estate's claim. Bar dates are typically 60-90 days after the first meeting of creditors.
  3. File a proof of claim. The executor files on behalf of the estate. The claim should include: the decedent's account statements, correspondence with the exchange, screenshots of account balances, transaction history, and any documentation of the account's value at the petition date. Attach a copy of the death certificate and letters testamentary (or equivalent) establishing the executor's authority.
  4. Engage bankruptcy counsel. Estate attorneys are not bankruptcy attorneys. The executor should retain counsel experienced in creditor representation in bankruptcy proceedings, particularly in crypto exchange bankruptcies. The creditor's committee, if one is formed, may provide collective representation — but large claims may benefit from individual counsel.

Managing the Extended Timeline

Exchange bankruptcies take years. FTX: 2+ years to begin distributions. Celsius: 18+ months. Mt. Gox: 10 years. During this period:

  • The estate may need to remain open. Most estates are settled within 12-18 months. A bankruptcy claim can keep the estate open for years beyond that, incurring ongoing legal, accounting, and administrative costs.
  • Annual estate tax returns may be required. An open estate must file Form 1041 annually. The bankruptcy claim's value must be estimated and reported.
  • Distributions to heirs are delayed. Heirs cannot receive the Bitcoin (or its value) until the bankruptcy resolves. This can create significant financial hardship for heirs who were counting on the inheritance.

The Claims Trading Option

Bankruptcy claims are transferable. A secondary market exists for distressed claims — hedge funds and specialty firms buy bankruptcy claims from creditors at a discount, providing immediate liquidity in exchange for the upside of eventual full recovery.

For an estate, selling the bankruptcy claim may be preferable to waiting years for distribution:

  • Provides immediate liquidity to the estate and heirs
  • Allows the estate to close within a normal timeline
  • Eliminates the risk of further deterioration in recovery rates
  • Converts an uncertain, long-duration asset into certain cash

The tradeoff: claims typically sell at 30-70 cents on the dollar, depending on the expected recovery and timeline. The estate gives up potential upside in exchange for certainty and speed.

Planning Estate Documents for This Scenario

Estate documents should anticipate exchange bankruptcy with specific provisions:

  • Grant the executor explicit authority to file proofs of claim in bankruptcy proceedings
  • Authorize the executor to sell bankruptcy claims on the secondary market without requiring beneficiary consent (or specify a discount threshold below which consent is required)
  • Include provisions for extended estate administration, including compensation for the executor during the extended period
  • Specify how bankruptcy distributions should be allocated among beneficiaries (pro rata by original bequest, or some other formula)

8. KYC/AML and Estate Planning

Even without a bankruptcy, transferring exchange-held Bitcoin after death is not straightforward. Each exchange has its own inheritance process, its own documentation requirements, and its own timeline. Beneficiaries cannot simply log into the decedent's account and withdraw.

Exchange Inheritance Procedures

Every major exchange has a formal process for handling deceased customers' accounts. These processes are not standardized and vary significantly:

  • Coinbase: Offers a "legacy contact" feature allowing account holders to designate a person who can download account data. For actual asset transfer, the estate must submit a death certificate, letters testamentary, government ID of the executor, and a completed inheritance form. Processing typically takes 4-8 weeks.
  • Kraken: Requires a formal estate process: death certificate, court-issued letters of administration or testamentary, government ID, and sometimes a court order specifically authorizing the transfer of digital assets. Kraken does not support beneficiary designations.
  • Gemini: Handles estate transfers through their legal department. Requires standard estate documentation plus a Gemini-specific authorization form. As a New York trust company, Gemini's process is more formalized than most exchanges.
  • Binance US: Estate transfers require submission to their support team with death certificate, legal authority documentation, and identity verification. The process has been described by executors as opaque and slow.

The Documentation Problem

Exchange inheritance processes require the executor to prove:

  1. The account holder is deceased (death certificate)
  2. The executor has legal authority over the estate (letters testamentary / letters of administration)
  3. The executor's identity (government ID, sometimes notarized)
  4. The destination for the assets (bank account for USD, wallet address for BTC)

This creates a practical problem: the executor must know which exchanges the decedent used. If the decedent maintained accounts at multiple exchanges and didn't document them, the executor may never discover all of the accounts. There is no central registry of cryptocurrency exchange accounts. An executor who doesn't know about an account can't claim it.

What to Document in Your Estate Plan

For every exchange account, the Letter of Instructions should include:

  • Exchange name and URL
  • Email address associated with the account
  • Account number or user ID (if available)
  • Approximate balance (updated quarterly)
  • Whether 2FA is enabled and how to access the 2FA device or backup codes
  • The exchange's published estate/inheritance process (link to the relevant support page)
  • Any beneficiary or legacy contact designations already in place
  • Login credentials (stored separately from the Letter of Instructions in a secure location — a password manager, a sealed envelope in a safe deposit box, or a dedicated hardware security device)

Store this documentation securely but accessibly. The executor needs to find it within days of death, not months. A fire-safe at home, a safe deposit box (with the executor as an authorized signer), or a digital vault with documented access procedures are all appropriate.

9. Regulatory Changes Protecting Exchange Customers

The wave of exchange failures in 2022-2023 triggered significant regulatory activity. The regulatory landscape for cryptocurrency exchanges is shifting — but it is not yet fully protective, and estate planners should not rely on regulation as a substitute for self-custody.

Post-FTX Regulatory Developments

State-level customer protection requirements. Several states have moved to require cryptocurrency exchanges to segregate customer funds — meaning customer Bitcoin must be held separately from the exchange's own assets. New York's BitLicense framework, administered by the NYDFS, has included this requirement since 2015. Other states are following suit, but enforcement and compliance vary widely.

SEC SAB 121 and its reversal. In 2022, the SEC's Staff Accounting Bulletin 121 required companies holding crypto assets for customers to record those assets as liabilities on their balance sheets — effectively making it economically prohibitive for banks to offer Bitcoin custody. In 2024, the SAB 122 revision under new SEC leadership reversed this guidance, opening the door for traditional banks to hold Bitcoin on behalf of customers. This is significant for estate planning: Bitcoin held at an FDIC-insured bank operating under federal banking regulations may receive different treatment in insolvency than Bitcoin at an unregulated exchange. However, few banks have yet built out this capability.

Proof of reserves requirements. Some jurisdictions are considering or have implemented requirements for exchanges to publish cryptographic proof of reserves — demonstrating that they hold sufficient assets to cover customer balances. While this doesn't prevent failure, it makes hidden insolvency harder to conceal and gives customers (and estate planners) better information about exchange health.

Federal legislation. Multiple bills addressing cryptocurrency market structure and customer protection have been introduced in Congress. As of early 2026, comprehensive federal legislation has not been enacted, though the regulatory direction appears to favor clearer customer protection standards for exchanges operating in the US.

What Regulation Does and Doesn't Solve

Even with improved regulation:

  • Customer funds at exchanges remain unsecured in bankruptcy unless specific statutory protections are enacted (similar to SIPC for securities)
  • Segregation requirements reduce commingling risk but don't eliminate insolvency risk — an exchange can segregate customer funds and still fail due to operational losses, lawsuits, or liquidity crises
  • Regulation applies to US-regulated exchanges; offshore exchanges operating outside US jurisdiction remain unregulated
  • No current regulation provides the equivalent of FDIC or SIPC insurance for Bitcoin held at exchanges

For estate planning purposes: regulation is trending in the right direction, but self-custody remains the only approach that eliminates exchange counterparty risk. Regulation reduces the probability of failure; it does not eliminate the consequences.

10. The Self-Custody Estate Planning Stack

For families moving Bitcoin off exchanges and into self-custody, the following is the complete estate planning stack — every component needed to hold Bitcoin securely and transfer it reliably to heirs.

Custody Due Diligence

Whether you're evaluating self-custody solutions, institutional custodians, or mining operations that hold BTC directly, rigorous due diligence on custody infrastructure is essential. Our 36-question framework was designed for exactly this purpose.

Get the 36-Question Due Diligence Checklist →

Hardware Wallet Selection

For estate planning, the hardware wallet should be:

  • Open-source firmware: Coldcard, Foundation Passport, SeedSigner, or Trezor. Open-source allows independent verification that the device does what it claims.
  • Air-gapped capable: Devices that can sign transactions without connecting to a computer (via SD card or QR codes) reduce attack surface.
  • Widely supported: Choose hardware that is compatible with major wallet software (Sparrow, Electrum, BlueWallet) so the executor isn't locked into a single vendor.
  • Durable: The device may sit unused for years before the executor needs it. Metal construction and quality components matter.

Multi-Signature Configuration

For significant holdings, a multi-signature arrangement is the gold standard:

  • 2-of-3 multisig for most families: One key with the holder, one with a trusted family member or advisor, one in a secure backup location (safe deposit box, attorney's vault). Any two keys can authorize a transaction, so the loss of a single key doesn't result in loss of Bitcoin.
  • 3-of-5 multisig for larger positions: Greater redundancy and geographic distribution. Keys distributed across multiple locations, jurisdictions, and custodians.
  • Collaborative custody (Unchained, Casa): Services that hold one key in a multisig arrangement while the holder controls the rest. Provides professional key management support without giving the custodian unilateral control.

Seed Phrase Storage

  • Metal backup: Seed phrases stamped or engraved into stainless steel or titanium plates. Resistant to fire, water, and physical degradation. Store in a fireproof safe, safe deposit box, or geographically distributed locations.
  • Never digital: Seed phrases should never be stored on a computer, phone, cloud service, email, or any networked device. Physical only.
  • Split storage: For additional security, seed phrases can be split using Shamir's Secret Sharing (SLIP39) or simple physical separation — first 12 words in one location, last 12 in another.

Wallet Descriptor Documentation

For multisig setups, the wallet descriptor (the technical configuration that defines which keys are part of the multisig and what signing threshold is required) must be documented and backed up. Without the descriptor, even someone with all the keys cannot reconstruct the wallet. Include:

  • The wallet descriptor string (exportable from Sparrow, Electrum, or the coordinating software)
  • The derivation paths for each key
  • The xpub (extended public key) for each signer
  • The wallet software used to create the arrangement

Heir Access Protocol

The complete access protocol, documented in the Letter of Instructions:

  1. Locate the hardware wallet device(s) — document physical location(s)
  2. Retrieve the PIN code(s) — stored separately from the device(s)
  3. Retrieve the seed phrase backup(s) — stored in separate, documented location(s)
  4. Download and install the wallet software (specify the software and version)
  5. Import the wallet descriptor or reconstruct the multisig configuration
  6. Verify the wallet balance against the documented expected balance
  7. Create a transaction sending the Bitcoin to the heir's wallet address
  8. Sign the transaction with the required number of keys
  9. Broadcast the transaction

This protocol should be tested — ideally with a small test transaction — while the estate owner is alive. An untested protocol is a plan that might not work when it matters most.

Complete Checklist

Component Status Location Documented Last Verified
Hardware wallet device(s)
Device PIN code(s)
Seed phrase backup(s) — metal
Wallet descriptor backup
Wallet software documented
Multisig configuration documented
Letter of Instructions — complete
Executor briefed on access protocol
Test transaction completed
Exchange account inventory
Exchange withdrawal plan documented
Annual review scheduled

11. Insurance for Exchange-Held BTC

Some exchanges offer insurance coverage, and Lloyd's-backed policies for institutional holders are available in the market. But insurance for exchange-held Bitcoin is far more limited than most holders realize.

What Exchanges Actually Cover

Exchange Custody Model Insurance Coverage SIPC/FDIC Equivalent Segregated Custody Available
Coinbase Omnibus hot/cold wallet Up to $255M (hot wallet crime policy); cash FDIC-insured via partner banks None for crypto Yes (Coinbase Prime Custody)
Gemini Cold storage majority; NY trust company charter Hot wallet insured (amount undisclosed); cash FDIC-insured None for crypto Yes (Gemini Custody)
Kraken Proof of reserves; cold storage majority No public insurance disclosure None for crypto No public offering
Fidelity Digital Assets Segregated cold storage Covered under Fidelity's institutional insurance None for crypto (SIPC for securities only) Yes (default model)
Binance US Hot/cold wallet; proof of reserves No public insurance disclosure None for crypto No public offering

What IS and ISN'T Covered

Typically covered:

  • External hacking and theft of hot wallet assets
  • Internal theft by employees (crime/fidelity bonds)
  • Physical security breaches at cold storage facilities

Typically NOT covered:

  • Insolvency or bankruptcy of the exchange
  • Mismanagement of customer funds
  • Commingling of customer assets
  • Regulatory seizure
  • Market losses
  • Fraud by senior management (the exact scenario that caused FTX, Celsius, and Voyager to fail)

This is the critical gap: the scenarios most likely to cause catastrophic loss to exchange customers — insolvency, fraud, mismanagement — are precisely the scenarios that exchange insurance policies do not cover. Insurance protects against external attacks. It does not protect against the exchange itself failing.

Lloyd's-Backed Institutional Policies

For institutional holders and family offices, Lloyd's of London and specialty insurers offer standalone cryptocurrency custody insurance. These policies can be customized to cover a broader range of risks, but they are expensive (premiums of 1-3% of covered value annually are typical), require extensive underwriting, and still generally exclude insolvency of the custodian.

For estate planning: insurance is a supplementary risk mitigant, not a substitute for self-custody. No insurance policy replicates the protection that holding your own private keys provides.

Bitcoin Mining: Eliminate Exchange Risk + Tax Advantages

Bitcoin mining operations that hold BTC in self-custody eliminate exchange counterparty risk entirely — while generating depreciation deductions, bonus depreciation, and operational expense write-offs that reduce tax liability. For families concerned about both exchange risk and estate tax exposure, mining combines the solution to both problems.

Learn how mining families eliminate custody risk and reduce taxes →

12. Frequently Asked Questions

What happens to Bitcoin held on an exchange if the exchange goes bankrupt?

Bitcoin held on an exchange becomes part of the exchange's bankruptcy estate. Customers become unsecured creditors and must file proof of claim in the bankruptcy proceeding. Recovery depends on available assets — FTX customers received approximately 118% of November 2022 petition-date values (but missed the entire bull market), while other exchange failures have yielded far less. Customers typically receive dollar distributions, not Bitcoin, and the process takes 2-10 years.

Are exchange-held Bitcoin protected by FDIC or SIPC insurance?

No. Bitcoin held at cryptocurrency exchanges is not covered by FDIC insurance (which covers bank deposits up to $250,000) or SIPC protection (which covers securities at brokerages up to $500,000). Some exchanges carry private crime/theft insurance for hot wallets, but these policies typically do not cover losses from insolvency or mismanagement. Only USD cash balances held at FDIC-insured partner banks may have FDIC coverage.

Can beneficiary designations on exchange accounts survive a bankruptcy?

Likely not. When an exchange enters bankruptcy, the automatic stay under 11 U.S.C. § 362 freezes all assets. A bankruptcy trustee controls distribution to all creditors pro rata. Beneficiary designations, Transfer on Death designations, and even trust ownership of exchange accounts are all subordinated to the bankruptcy process. No major exchange bankruptcy has honored individual beneficiary designations over the collective creditor pool.

How does self-custody protect Bitcoin in estate planning?

Self-custody — hardware wallets, multisig arrangements — means you hold actual Bitcoin controlled by private keys, not a credit claim against a company. There is no exchange that can go bankrupt, no terms of service converting property to a claim, and no bankruptcy trustee who can freeze your assets. Your executor uses documented key access procedures to transfer Bitcoin directly to heirs.

What should an executor do if an exchange goes bankrupt during estate administration?

The executor must file a proof of claim with the bankruptcy court, documenting the decedent's account balance with statements and correspondence. The estate may need to remain open for years. The executor should engage bankruptcy counsel, monitor claim deadlines (bar dates), and evaluate whether selling the claim on the secondary market at a discount is preferable to waiting for full distribution.

How much Bitcoin should you keep on an exchange versus in self-custody?

Most estate planning professionals recommend keeping no more than $25,000 on any single exchange — only what is needed for active trading or operational purposes. Long-term holdings and generational wealth positions should be in self-custody. Many families use a 90/10 rule: 90% in cold storage self-custody, 10% maximum across all exchanges for liquidity.

Do Bitcoin ETFs in an IRA have exchange bankruptcy risk?

Bitcoin ETFs held in an IRA have a different risk profile. ETF shares are securities held at SIPC-member brokerages, so the brokerage layer is protected. The ETF itself holds Bitcoin through institutional custodians (Coinbase Custody for most spot ETFs). The risk is custodian failure, not exchange failure, and institutional custodians operate under stricter regulatory requirements. However, ETF holders do not have self-custody — they hold shares representing a claim on a fund, not Bitcoin itself.

The Bottom Line

The synthesis of everything above reduces to a few clear principles:

Exchange-held Bitcoin is not your Bitcoin for estate planning purposes. It is a credit claim against a company. Your estate plan should treat it as such — with all the risk that implies.

Self-custody is the only way to guarantee that heirs receive actual Bitcoin. Not a claim. Not a bankruptcy distribution. Not dollars calculated at a filing-date price while the real value appreciates beyond reach. Actual Bitcoin, transferred directly. If your estate plan depends on heirs receiving Bitcoin, the Bitcoin needs to be in self-custody.

If exchange custody is necessary, choose regulated US institutions and have a transfer plan. The executor should know how to move Bitcoin off-exchange immediately after death. The estate plan should include a pre-configured self-custody destination. And the family should monitor exchange health signals as part of ongoing estate plan maintenance.

Beneficiary designations and TOD accounts are not bankruptcy-proof. Use them, but do not rely on them. They are a convenience feature, not a protection mechanism. In a bankruptcy, they may be overridden entirely.

Time is the critical variable. The longer Bitcoin sits at an exchange during estate settlement, the greater the exposure. Mt. Gox creditors waited a decade. FTX creditors waited three years. An executor who moves quickly — transferring Bitcoin to self-custody within days of the holder's death — dramatically reduces the window of vulnerability.

Bitcoin was designed to be held without intermediaries. Its entire value proposition rests on the elimination of trusted third parties. An estate plan that depends on a trusted third party to deliver Bitcoin to your heirs has reintroduced exactly the risk that Bitcoin was built to remove.

Plan accordingly.