- The Basis Step-Up: Your Heirs' Most Valuable Tax Event
- Wash Sale Rules Don't Apply — Use That
- The 83(b) Concept Applied to Bitcoin
- Delaware and Wyoming Trust Structures
- The Concentration Problem — and Why You Should Keep It
- The Estate Tax Cliff
- SLAT, GRAT, and IDGT Strategies for Bitcoin Founders
- What Your Estate Plan Should Actually Cover
- Founder's Estate Planning Timeline
- Frequently Asked Questions
You spent years building something, managing cap tables, negotiating term sheets, and thinking carefully about dilution, vesting cliffs, and liquidation preferences. You applied rigorous structural thinking to your company. Then you sold — or your company went public — and you converted a substantial portion of those gains into Bitcoin. That decision made sense. Bitcoin is the exit from the system you were always playing inside.
But here is the problem: most tech founders apply zero of that structural rigor to what happens next. The Bitcoin sits in a hardware wallet, or at an exchange, with no Bitcoin Trust Type Selector tool, no estate plan, and no clear mechanism for what happens if you die tomorrow. The same precision that built your company is absent from the plan to preserve what it created.
This is fixable. And the tax and estate planning opportunities available to Bitcoin holders — particularly founders with large, concentrated positions and a long time horizon — are more favorable than most people realize.
The Basis Step-Up: Your Heirs' Most Valuable Tax Event
Under current U.S. tax law, when you die holding appreciated assets, your heirs receive those assets at a stepped-up cost basis equal to the fair market value at your date of death. If you bought Bitcoin at $20,000 and it is worth $500,000 when you die, your heir inherits at a $500,000 basis. Every dollar of gain that accumulated during your lifetime is permanently extinguished — never subject to capital gains tax.
For a tech founder who converted significant equity gains into Bitcoin, this is potentially the most valuable tax event in your entire financial life — and it happens automatically, without any action required, if the Bitcoin is held correctly at death.
The critical phrase is "held correctly." Bitcoin held directly in your name, or in a revocable living trust, will receive the step-up. Bitcoin transferred to an irrevocable trust before death — such as a dynasty trust funded with your GST exemption — will not receive the step-up, because those assets are no longer in your taxable estate. Whether to prioritize the step-up or the estate tax exclusion requires careful modeling of your specific position. For founders with very large Bitcoin positions and meaningful estate tax exposure, the two strategies may be applied to different tranches of your holdings.
Wash Sale Rules Do Not Apply to Bitcoin — Use That
In traditional securities markets, the wash sale rule prevents you from claiming a tax loss if you sell a stock and buy substantially identical securities within 30 days before or after the sale. This rule significantly limits tax-loss harvesting strategies for equity investors.
Bitcoin is classified as property — not a security — under current IRS guidance. The wash sale rules do not apply. This means you can sell Bitcoin at a loss, immediately repurchase the same amount, and still claim the capital loss for tax purposes — resetting your cost basis in the process.
For a founder with a large Bitcoin position acquired at various price points, this creates meaningful tax-loss harvesting opportunities during market downturns. You can harvest losses against ordinary income (up to $3,000 per year) or against capital gains from other sources — including the equity gains that preceded your Bitcoin conversion — while maintaining your full Bitcoin position. The strategy is not complex; it simply requires tracking your lot-level basis and acting during periods of Bitcoin price decline.
Note: Congress has proposed extending wash sale rules to digital assets in multiple legislative sessions. This window may close. If harvesting is part of your strategy, execute it while the law remains favorable.
The 83(b) Concept Translates to Bitcoin — Even Though the Rule Does Not
Section 83(b) of the Internal Revenue Code allows employees and founders who receive restricted equity to elect to pay tax on the value at grant rather than at vesting. The strategy works because it locks in a low basis early — if the equity appreciates, all subsequent gains are taxed at long-term capital gains rates rather than ordinary income rates.
The 83(b) election does not apply to Bitcoin — you cannot receive Bitcoin as restricted property in the same way you receive restricted stock. But the underlying principle translates directly: locking in your basis at a low price point is structurally valuable.
When you convert equity gains into Bitcoin, your basis is set at the price you paid — typically at a market high if you were converting meaningful liquidity event proceeds. Over time, as Bitcoin appreciates, the embedded gain grows. The equivalent of "83(b) thinking" for Bitcoin is acting early: funding trusts, making gifts to family members, or establishing other structures while your Bitcoin position's value is lower, so that future appreciation inures to the trust or recipient rather than your taxable estate. Founders who understand the 83(b) concept intuitively grasp this structure immediately.
Delaware and Wyoming Trust Structures for Asset Protection
Most founders are familiar with Delaware as the default jurisdiction for corporate formation. For trust structures, both Delaware and Wyoming offer favorable frameworks — but for somewhat different reasons.
Delaware has one of the most sophisticated trust law frameworks in the country: dynasty trust provisions (perpetual trusts), directed trust statutes (allowing separation of investment and administrative functions), and strong asset protection trust legislation that allows self-settled trusts under certain conditions. Delaware corporate trustees are experienced with complex assets and complete guide to Bitcoin wealth transfer mandates.
Wyoming has emerged as the leading jurisdiction for Bitcoin-specific trust structures. Wyoming has enacted specific digital asset legislation providing clarity on virtual currency custody in trust contexts. It has abolished the rule against perpetuities entirely (allowing perpetual dynasty trusts), has favorable directed trust statutes, and its trust companies are increasingly Bitcoin-native. For founders with a strong Bitcoin-only thesis, Wyoming trust structures often offer the cleanest alignment between the trust's governing law and the asset being held.
The practical structure for many founders is an LLC — typically a Wyoming or Delaware LLC — that holds the Bitcoin. The LLC membership interests are then held in a trust. This layered structure provides flexibility: the trust governs succession and estate planning, while the LLC provides liability protection and can specify Bitcoin custody protocols per a formal bitcoin family office governance framework in its operating agreement. The LLC operating agreement can define multisignature key management, hardware wallet procedures, and what happens to access credentials when members change.
The Concentration Problem — and Why You Should Keep It
Standard financial planning advice would flag your situation as a concentration risk problem. You built a company, converted significant equity into a single asset, and now have a large percentage of your net worth in Bitcoin. Every traditional wealth manager's playbook says to diversify.
That advice misunderstands your thesis. You hold Bitcoin in concentration because you believe it is the hardest money ever created — a fixed-supply, censorship-resistant, non-sovereign store of value that no government can inflate away. Diversifying into a basket of other assets dilutes that thesis without eliminating the underlying monetary risk you converted out of. You did not convert equity into Bitcoin to then dilute back into the system you exited.
Concentration in Bitcoin is intentional. But it does require planning — specifically around three questions:
- Liquidity: Do you have sufficient non-Bitcoin liquidity to cover living expenses, tax obligations, and emergencies without selling Bitcoin? If not, your estate plan needs to account for this — including giving your estate or trust executor the ability to manage Bitcoin custody and execute sales without triggering delays or disputes.
- Key-person risk: Are you the only person who knows how to access your Bitcoin? If you were incapacitated tomorrow, could your family recover it? Most founders — who are comfortable with technology — inadvertently create a catastrophic key-person risk for their own families. Your estate plan must address custody architecture explicitly.
- Gift and transfer strategy: Bitcoin concentration creates large embedded gains. A systematic gifting program — using the annual gift tax exclusion ($18,000 per recipient per year in 2025), or funding an irrevocable trust with a portion of your position — can reduce your taxable estate over time while keeping the bulk of your Bitcoin intact.
The Estate Tax Cliff — Act Before the Exemption Shrinks
The federal estate tax exemption is currently $15 million per individual (2025). For a married couple, that is nearly $28 million that can pass estate-tax-free at death. For founders with significant Bitcoin positions, this exemption may be sufficient to eliminate estate tax exposure entirely.
The One Big Beautiful Bill Act, signed into law in 2025, made permanent the elevated TCJA exemption at approximately $15 million per individual. A founder with a $20 million Bitcoin position faces significant estate tax exposure depending on the current applicable exemption.
Founders who act now — funding dynasty trusts or spousal lifetime access trusts (SLATs) using the current exemption — lock in that protection permanently. Assets transferred to an irrevocable trust are removed from the taxable estate even if the exemption later declines. Bitcoin's appreciation trajectory means every year of inaction increases the taxable estate value. Acting early is the highest-leverage planning decision available.
Bitcoin Mining: A Tax Strategy That Complements Your Existing Position
For founders with high ordinary income in post-exit years, Bitcoin mining offers equipment depreciation deductions, bonus depreciation, and operating expense offsets — generating new Bitcoin with a low cost basis while reducing taxable income. Abundant Mines has documented every major Bitcoin mining tax strategy available to high-income individuals and entities.
Explore Bitcoin Mining Tax Strategies →What Your Estate Plan Should Actually Cover
For a tech founder with significant Bitcoin holdings, a complete estate plan addresses the following layers:
- Revocable living trust: Holds all non-Bitcoin and non-trust assets; provides probate avoidance and incapacity planning; names a successor trustee with specific authority over Bitcoin custody.
- Irrevocable trust (dynasty trust or SLAT): Funded with a portion of Bitcoin to remove appreciation from the taxable estate, using the permanent elevated exemption to maximize the value captured outside the estate.
- LLC holding structure: Wyoming or Delaware LLC holds the Bitcoin; operating agreement specifies custody architecture, key management procedures, and succession protocols.
- Durable power of attorney: Gives a trusted agent authority over digital assets during incapacity — explicitly covering Bitcoin and cryptocurrency, which many standard POAs do not address.
- Custody documentation: A sealed, separately stored document (not in the trust itself) describing how to access the Bitcoin — hardware wallet locations, seed phrase storage, multisig configuration. This document is as important as any legal instrument.
- Letter of instruction to heirs: A plain-language explanation of your Bitcoin philosophy, holdings structure, and wishes — written for a family member who may not share your technical background.
The same discipline that built your cap table should govern your estate structure. The stakes are the same — and in some ways higher, because there is no second round of funding if the plan fails.
SLAT, GRAT, and IDGT Strategies for Bitcoin Founders
Beyond the basic trust and LLC structures, founders with concentrated Bitcoin positions should know three advanced strategies that address the tension between estate tax reduction and the step-up in basis:
Spousal Lifetime Access Trust (SLAT)
A SLAT allows you to irrevocably transfer Bitcoin to a trust for your spouse's benefit using your federal gift/estate tax exemption. The Bitcoin is permanently removed from your taxable estate. Your spouse can receive distributions during their lifetime. Future appreciation inures to the trust — never re-entering your estate. Most effective in early post-exit years when Bitcoin values and available exemption are both high. Key risk: the trust is irrevocable and if the marriage ends, the funding spouse loses access.
Grantor Retained Annuity Trust (GRAT)
A GRAT lets you transfer Bitcoin to an irrevocable trust and receive annuity payments back for a fixed term. Any remaining assets at term end — appreciation above the IRS §7520 hurdle rate — pass to heirs estate-tax-free. Bitcoin's historical appreciation trajectory makes GRATs particularly effective. GRATs funded during Bitcoin price downturns maximize the spread above the hurdle rate. Short-term rolling two-year GRATs are a common technique that reduces the mortality risk of not surviving the term.
Intentionally Defective Grantor Trust (IDGT)
An IDGT is outside your taxable estate for estate tax purposes, but you remain the "grantor" for income tax — meaning you personally pay the income tax on trust earnings. For Bitcoin, this means capital gains from trust sales are paid from your estate assets, not trust assets — a free additional transfer to the trust. IDGTs are often funded via a sale of Bitcoin to the trust in exchange for an installment note, allowing the Bitcoin to leave your estate while spreading income tax recognition over time.
Founder's Estate Planning Timeline
| When | Action | Why It Matters |
|---|---|---|
| Immediately post-exit | Revocable living trust; retitle Bitcoin holdings; durable POA with digital asset authority | Probate avoidance + incapacity planning established before further appreciation |
| Year 1 | Model estate tax exposure; determine whether SLAT/GRAT/IDGT strategies are warranted | Establishes whether irrevocable trust strategies are needed and optimal timing |
| Year 1–2 | Fund SLAT or dynasty trust with Bitcoin tranche; begin annual gifting program | Future appreciation inside trust never re-enters taxable estate |
| During downturns | Tax-loss harvest; fund GRAT at lower prices (larger spread above §7520 hurdle) | Maximum efficiency: loss harvesting + lower trust funding basis = more tax-free transfer |
| Annually | Update inventory; review custody architecture; remodel estate tax exposure at current BTC price | A plan calibrated last year may be significantly misaligned with current exposure |
Frequently Asked Questions
Do wash sale rules apply to Bitcoin for tax-loss harvesting?
No. Bitcoin is classified as property, not a security. You can sell at a loss and immediately repurchase — resetting your basis while claiming the capital loss. Congress has proposed extending wash sale rules to digital assets but has not enacted this yet. Execute harvesting strategies while the law remains favorable.
How does the basis step-up work for Bitcoin at death?
Heirs receive Bitcoin with a cost basis equal to its fair market value on your date of death — all previously unrealized gains are permanently eliminated. Bought at $10,000, dies when it's $500,000: heir's basis is $500,000. Sell immediately, no capital gain. Only appreciation above $500,000 is taxable on future sales.
Should I put my Bitcoin in a trust to reduce estate taxes?
Possibly, with a tradeoff: irrevocable trust removes Bitcoin from your taxable estate but loses the step-up at death. A combination approach typically works best — keep some Bitcoin in the estate for the step-up while funding irrevocable trusts with other tranches to reduce estate tax on the largest positions.
What is a SLAT and how does it work for Bitcoin founders?
A Spousal Lifetime Access Trust lets you irrevocably transfer Bitcoin to a trust for your spouse's benefit using your gift/estate tax exemption. The Bitcoin is removed from your taxable estate permanently; future appreciation never re-enters your estate. Your spouse can receive distributions. It's irrevocable — if the marriage ends, the funding spouse loses access.
Wyoming or Delaware — which is better for a Bitcoin founder's trust?
Wyoming for Bitcoin-specific planning. Wyoming has enacted digital asset legislation for virtual currency in trust contexts, abolished the rule against perpetuities for dynasty trusts, and its trust companies are increasingly Bitcoin-native. Delaware has excellent general trust law. For Bitcoin-only families, Wyoming's legal architecture is most coherent.
This guide is updated regularly as Bitcoin custody technology and estate planning best practices evolve. Last updated: February 2026.