Buy, Borrow, Die for Crypto Holders: How the Strategy Actually Works

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"Buy, borrow, die" is the reason wealthy people can spend from appreciated assets for years without ever paying capital-gains tax on them — and the mechanics apply to Bitcoin as readily as to a stock portfolio. The idea, which law professor Edward McCaffery named, has three legs: buy assets that appreciate and hold them; borrow against those assets for cash instead of selling, so there's no sale and no taxable gain; and die holding them, at which point your heirs' cost basis resets to the date-of-death value under the tax code, erasing the built-up gain for income-tax purposes. Only the first two legs are something a living crypto holder actually does — the third is estate law that applies to almost any asset, not a crypto feature. This page walks each leg honestly, including where it breaks.

This is educational content, not tax, legal, or investment advice. I've spent 25+ years in traditional lending, and the individual mechanics below are checkable against primary sources — but this is a strategy the wealthy use with professional advisors and real downside, not a trick. Whether any of it fits your situation depends on your full financial picture and your estate. Confirm anything that matters with a CPA and an estate attorney before acting.

The three legs, defined

The strategy exploits three separate, real features of US tax law. None of them is a loophole in the sense of being hidden — they're each on the books — but stacked together they let unrealized gains go untaxed across a lifetime.

• Buy (and hold). Unrealized appreciation isn't taxed. As long as you don't sell, a gain on an asset — stock, real estate, or crypto — is not a taxable event. The gain compounds untouched.
• Borrow. Loan proceeds are not income. When you borrow, your cash goes up but so does an equal obligation to repay, so there's no net increase in wealth to tax. The IRS treats it that way precisely because of the repayment obligation. That's what lets you convert an appreciated asset into spendable cash without selling it — you pledge it as collateral and borrow against it.
• Die. Under 26 U.S. Code § 1014, property acquired from a decedent generally takes a basis equal to "the fair market value of the property at the date of the decedent's death." Heirs inherit at the stepped-up value, so the appreciation that accrued during the owner's life is wiped out for income-tax purposes — if they sell at that value, there's no capital gain to report.

As the NYU Law Review put it in its study of the strategy, "consumption and deferral through secured borrowing, coupled with the stepped-up basis death benefit from section 1014," can let individuals "avoid lifetime income tax and net estate tax." That's the whole machine in one sentence.

How each leg maps to crypto (and where it doesn't)

Here's the part the "borrow against your Bitcoin like a billionaire" pitch usually skips: the three legs don't map to crypto equally. Two of them do; the third is not a crypto question at all.

Buy — maps cleanly. Holding appreciated crypto is not a taxable event, exactly as with a stock. If your Bitcoin has tripled and you haven't sold, there's no realized gain. This leg is identical for crypto and traditional assets.

Borrow — maps, and it's available today. You can pledge crypto as collateral and borrow dollars or a stablecoin against it right now, from licensed US lenders, offshore platforms, or DeFi protocols. Taking that loan is not a sale, so it doesn't realize your gain — the same treatment as a securities-backed line of credit against stocks. This is the leg that makes "buy, borrow, die" more than theoretical for a crypto holder. The variable that matters is who you borrow from, because that choice drives most of your real risk; we compare the instruments in Crypto Loan vs SBLOC vs HELOC vs Margin, rank lenders on regulation in Most Regulated Crypto Lenders, and cover the mechanics in the crypto-backed loans guide.

Die — this is general estate law, not a crypto strategy. The §1014 step-up applies to property acquired from a decedent generally; crypto is not singled out for it and does not get a special version of it. Whether and how the step-up benefits a given estate is a complicated question that turns on titling, the overall estate, state law, and the federal estate-tax rules — and there is active policy debate about the step-up itself. Treat this leg as "consult an estate professional," not "something you set up with a lending app." Anyone framing a crypto loan product as delivering the "die" benefit is overreaching; the loan only delivers the borrow leg.

A worked example (hypothetical)

Numbers make the trade-off concrete. Say you bought 1 BTC years ago for $20,000 and it's now worth $100,000 — an $80,000 unrealized gain — and you need $40,000 in cash.

• Sell it: to raise $40,000 you sell roughly that much BTC, realizing about $32,000 of gain (80% of what you sell is profit). At a 20% long-term capital-gains rate that's about $6,400 to the IRS now — and you no longer own that fraction of a coin you still believe in.
• Borrow against it: you pledge the BTC and draw $40,000 at, say, 40% loan-to-value. It's not a sale, so there's no tax event; you keep all 1 BTC and its future upside. Your cost is interest — at 10% APR, about $4,000 a year — plus the risk that a deep drawdown triggers a collateral call.

At those numbers borrowing is cheaper than selling for roughly the first year and a half, and you've kept your whole position — which is exactly why the strategy appeals. The catch is unchanged: if BTC falls far enough to liquidate your collateral, the forced sale realizes the gain you were deferring. These figures are illustrative, not a quote or a forecast — run your own in the Borrow vs. Sell calculator.

The downside nobody puts in the pitch

The strategy has a specific failure mode that inverts its entire tax advantage, and with crypto it's more live than with a diversified stock portfolio.

A forced liquidation is a taxable sale — at the worst possible time. You defer the gain only as long as you never get liquidated. If your collateral falls and the lender sells it to cover the loan, that forced sale realizes your capital gain anyway. FINRA says this plainly about securities-backed lines of credit: in a collateral call, "you could have to pay capital gains taxes on the proceeds from these sales." The identical logic applies to a crypto-backed loan — liquidation of your Bitcoin is a disposition. So the "never pay tax" version of the strategy quietly assumes you're never liquidated, which is a strong assumption for a volatile asset.

Rates, margin calls, and the cost of carry are real. Borrowing isn't free. You pay interest the whole time, and if crypto prices drop, you can face a collateral call — often with only a few days to post more collateral or repay before an automated liquidation. Concentrated, volatile collateral makes that call more likely than it would be against a broad securities portfolio.

This is a wealthy-person strategy with wealthy-person cushions. The people who run "buy, borrow, die" successfully do it with diversified collateral, low loan-to-value ratios, advisors, and the ability to meet a call in cash. Run it aggressively against a single volatile coin and the same structure that defers tax for a billionaire can force-sell you at the bottom. The strategy isn't a scam; it's just far less forgiving than the tidy three-word name suggests.

Is borrowing against my crypto a taxable event?

No. Taking a loan against your crypto is not a sale, so it doesn't realize a capital gain, and the loan proceeds aren't taxable income — the same treatment as borrowing against a stock portfolio. The important exception is liquidation: if your collateral falls and the lender sells it to repay the loan, that forced sale is a taxable disposition. Borrowing defers the gain; it doesn't erase it while you're alive.

Do wealthy people really avoid capital gains by borrowing instead of selling?

Yes — that's the core of the "buy, borrow, die" strategy, and it rests on three real tax features: unrealized gains aren't taxed until you sell, borrowed money isn't income because you owe it back, and assets get a stepped-up basis at death under §1014. Borrowing against appreciated assets lets someone spend without triggering a sale. It is not tax evasion; each leg is legal on its own. What the headline versions skip is the interest cost, the liquidation risk, and that the "die" leg is estate law you can't set up with a loan app.

What is the step-up in basis, and does it apply to crypto?

The step-up in basis is the rule in 26 U.S. Code § 1014 that resets an inherited asset's cost basis to its fair-market value on the date of the owner's death. Appreciation that built up during the owner's life is erased for the heir's income-tax purposes. It applies to property acquired from a decedent generally, so crypto is not excluded — but it's not a crypto-specific benefit either, it's complicated, it interacts with the estate-tax rules, and it's the subject of ongoing policy debate. This is a question for an estate attorney, not a lending platform.

What happens if my crypto collateral crashes while I have a loan against it?

The lender issues a collateral or maintenance call: you'll typically have a short window — often just a few days — to post more collateral or repay before the lender can sell your crypto to cover the loan. For crypto-backed loans this can happen automatically and fast. That forced sale realizes your capital gain, so a crash can hand you both the loss of your position and a tax bill. The defense is the same as with any asset-backed borrowing: borrow far below the maximum loan-to-value so a normal drawdown never triggers a call.

Does "buy, borrow, die" still work in 2026?

Yes — the three tax features it relies on are all still current law in 2026: unrealized gains aren't taxed until you sell, loan proceeds aren't income, and the §1014 step-up at death still resets an heir's basis. What's changed is the scrutiny. The "borrow" leg is the subject of active reform proposals — the NYU Law Review and others argue it should be taxed — and the step-up at death is perennially raised in tax-reform debates. Nothing has been repealed, but the strategy rests on rules lawmakers are actively arguing about, which is a reason to run it with professionals and not to assume the treatment is permanent.

Can you use "buy, borrow, die" with a small crypto portfolio?

You can borrow against a small position, but the full strategy is far less forgiving at small scale. The people who run it safely use diversified collateral, low loan-to-value ratios, and enough liquidity to meet a margin call in cash — cushions a small, single-coin holder usually doesn't have. Against one volatile coin at a high LTV, the same structure that defers tax for a billionaire can force-sell you at the bottom. If your holdings are small and concentrated, treat the "borrow" leg as a carefully-sized liquidity tool, not a tax strategy to run aggressively.

Is "buy, borrow, die" legal?

Yes. Each leg relies on a real, on-the-books feature of US tax law: no tax on unrealized gains, no tax on loan proceeds, and the §1014 step-up at death. Nothing about holding appreciated assets, borrowing against them, or passing them to heirs is unlawful. The strategy is legitimately debated as a policy matter — the NYU Law Review and others have argued the "borrow" leg should be taxed — but debating whether the law should change is different from the strategy being illegal today. It is not tax advice to say so; whether it fits you is a question for your own professionals.

Sources

All accessed July 17, 2026. Statutory and tax facts should be confirmed with a qualified professional before you rely on them.

• Step-up in basis at death — Cornell Law School Legal Information Institute, 26 U.S. Code § 1014 — Basis of property acquired from a decedent (basis is "the fair market value of the property at the date of the decedent's death").
• Loan proceeds are not income / canceled-debt exception — IRS, Topic no. 431, Canceled debt — Is it taxable or not? (borrowed money is not income because of the obligation to repay; "if your debt is canceled, forgiven, or discharged for less than the amount owed, the amount of the canceled debt is taxable").
• "Buy, borrow, die" definition and attribution — Colin J. Heath, "Taxing 'Borrow' in 'Buy/Borrow/Die'", 99 N.Y.U. L. Rev. 717 (2024) (attributes the strategy to Professor Edward McCaffery; "consumption and deferral through secured borrowing, coupled with the stepped-up basis death benefit from section 1014").
• Forced liquidation is a taxable sale — FINRA, "Securities-Backed Lines of Credit" ("you could have to pay capital gains taxes on the proceeds from these sales").
• Loan-type mechanics and lender regulation — see our primary-sourced Crypto Loan vs SBLOC vs HELOC vs Margin and Most Regulated Crypto Lenders.