Fannie Mae began purchasing crypto-collateralized conforming mortgages in March 2026, nine months after FHFA Director Bill Pulte ordered the government-sponsored enterprises to integrate digital assets into underwriting. On June 4, Better Home & Finance (NASDAQ: BETR) and Coinbase (NASDAQ: COIN) ...
"The global crypto market has surged past $3 trillion, and an estimated 45% of Gen Z and Millennial investors—many of whom are future homebuyers—own crypto." — Coinbase, Corporate Blog (March 2026)
Fannie Mae began purchasing crypto-collateralized conforming mortgages in March 2026, nine months after FHFA Director Bill Pulte ordered the government-sponsored enterprises to integrate digital assets into underwriting. On June 4, Better Home & Finance (NASDAQ: BETR) and Coinbase (NASDAQ: COIN) closed the first Bitcoin-backed conventional home loan under the new framework — a Fannie Mae-guaranteed mortgage for a couple in Ann Arbor, Michigan.
The product structure is straightforward: borrowers receive two loans — a standard Fannie Mae conforming first-lien mortgage on the property, and a second-lien loan collateralized by Bitcoin or USDC held in Coinbase Prime custody. Bitcoin collateral requires a 250% coverage ratio; USDC requires 125%. Rates run 50–150 basis points above standard 30-year fixed rates. Better's waitlist represents approximately $250 million in potential loan volume ahead of a planned nationwide rollout this summer.
The implications extend well beyond a single closing. Fannie Mae and Freddie Mac guarantee more than half of all U.S. mortgages — a $12 trillion market. The FHFA's directive effectively created a regulatory channel for crypto wealth to flow into housing finance without triggering taxable liquidation events. Three lenders — Better/Coinbase, Milo, and Newrez — have already moved to operationalize the framework. Democratic senators have pushed back, drawing explicit parallels to pre-2008 underwriting risk expansion. The economic question is whether crypto collateral can support conforming-loan credit quality, or whether the 250% haircut simply delays taxpayer exposure to digital-asset volatility.
The timeline began on June 26, 2025, when FHFA Director Bill Pulte directed Fannie Mae and Freddie Mac to draft policies recognizing cryptocurrency holdings as reserves or qualifying assets in mortgage underwriting — without requiring conversion to U.S. dollars. The directive specified that eligible crypto must be held on a U.S.-regulated centralized exchange and subject to applicable law.
Key parameters included a requirement for risk mitigants: volatility-based haircuts, caps on the percentage of borrower assets that may consist of cryptocurrency, and documentation standards aligned with existing Fannie Mae selling-guide requirements. The FHFA framework introduced a 50–60% volatility haircut for crypto used as qualifying reserves, meaning $100,000 in Bitcoin counts for $40,000–$50,000 in reserve calculations.
Fannie Mae published updated selling-guide language by Q1 2026. On March 26, 2026, Better Home & Finance and Coinbase announced the first conforming-loan product under the new rules. The first loan closed on June 4, 2026.
The Better/Coinbase product splits into two simultaneous originations:
Loan 1 — First-lien conforming mortgage: A standard Fannie Mae-eligible 30-year fixed-rate mortgage on the property. Rates are approximately 50–150 basis points above prevailing conforming rates, depending on borrower profile.
Loan 2 — Second-lien crypto-collateralized down-payment loan: A separate loan funded by crypto collateral, covering the down payment. Collateral is locked in Better's Coinbase Prime institutional custody account for the life of the loan.
Collateralization requirements:
Both loans share the same interest rate and amortization schedule. Borrowers make one combined monthly payment to Better. There is no private mortgage insurance on the second lien.
Liquidation terms: If a borrower becomes delinquent, crypto collateral is not liquidated until 60 days of missed payments. Critically, a decline in crypto value does not trigger margin calls or require additional collateral posting — the first-lien mortgage terms remain fixed regardless. Coinbase One members who pledge USDC continue to earn staking rewards on their collateral. Coinbase One members also receive a 1% rebate on mortgage value, capped at $10,000, applied as lender credits against closing costs.
Three lenders have operationalized crypto-mortgage products in 2026, each with a distinct structure:
Better/Coinbase — Conforming, GSE-backed: The only product currently backed by Fannie Mae. Two-loan structure with crypto collateral in institutional custody. Accepts BTC and USDC. Nationwide rollout planned for summer 2026. Rates at conforming-plus-spread. Better reported 89% year-over-year Q1 loan volume growth and 52% revenue growth, targeting $1 billion monthly loan volume and EBITDA breakeven by Q3 2026. BETR stock last traded at $26.50, up 96% over 12 months.
Milo — Non-QM, private-capital backed: Miami-based Milo crossed $100 million in cumulative crypto-mortgage originations as of February 2026, including a record $12 million single transaction in Tennessee. Offers up to 100% financing with no cash down payment required. Loan amounts up to $25 million. Rates start at approximately 8.25%. Accepts BTC and ETH collateral. Licensed in ten U.S. states. Reports zero margin calls across its entire portfolio despite multiple periods of crypto volatility. Does not carry GSE guarantees — loans are held on balance sheet or sold to private investors.
Newrez — Asset qualification, non-agency: Newrez, a top-25 U.S. mortgage lender by volume, began recognizing BTC, ETH, stablecoins, and spot crypto ETF holdings for mortgage qualification in February 2026 across its non-agency Smart Series product line. Borrowers can use crypto for income estimation and asset verification without liquidation, though down payments and closing costs must still be paid in U.S. dollars. All assets must be held by U.S.-regulated entities — self-custody wallets and DeFi protocol holdings are explicitly excluded.
Better's pre-launch waitlist provides the most granular demand data available:
The addressable market is substantial in theory. An estimated 70 million Americans — approximately 30% of adults — hold cryptocurrency, according to industry estimates. The U.S. mortgage market totals roughly $12 trillion outstanding. ARK Invest estimates that if 5% of mortgage borrowers included crypto assets in applications, approximately 305,000 additional borrowers could qualify, supporting roughly $100 billion in new originations. Each incremental percentage point of adoption would add approximately $20 billion in volume.
The demand thesis rests on a specific pain point: crypto holders with substantial digital-asset wealth but limited liquid fiat — the "asset-rich, cash-poor" borrower. For this cohort, liquidating crypto to fund a down payment triggers capital-gains taxes that can consume 20–37% of proceeds at federal rates. The crypto-collateral model allows home purchase without a taxable event.
The 250% Bitcoin collateralization ratio implies that Better and Fannie Mae are pricing in a potential 60% BTC drawdown before collateral value falls below loan balance. For context, Bitcoin's maximum drawdown in the 2022 cycle was approximately 77% (peak of $69,000 in November 2021 to trough of $15,500 in November 2022). The 2025–2026 cycle saw a roughly 20% weekly drawdown in early June 2026 — Bitcoin's sharpest single-week decline since the FTX collapse.
Several structural risks warrant attention:
Collateral correlation risk: In a housing downturn, both the property value and crypto collateral could decline simultaneously, creating a double-impairment scenario where neither collateral pool adequately covers exposure.
Liquidation execution risk: The 60-day delinquency-to-liquidation window assumes orderly crypto markets at the point of forced sale. Historically, crypto drawdowns cluster around periods of general financial stress, precisely when liquidation conditions are worst.
Moral hazard in GSE guarantees: Because Fannie Mae guarantees the first-lien mortgage, taxpayers ultimately backstop default losses on the conforming portion. The second-lien crypto loan sits behind Fannie Mae's guarantee. If systemic crypto devaluation coincides with housing stress, the loss pathway runs from borrower to Better to Fannie Mae to taxpayer.
No margin-call protection: The explicit absence of margin calls — marketed as a borrower benefit — means collateral erosion goes unaddressed until outright default. In traditional secured lending, margin calls serve as early-warning mechanisms that force borrowers to recapitalize positions before losses compound.
Concentration risk: The waitlist data shows 37% of prospective borrowers hold $500,000+ in crypto. These are not diversified borrowers. A severe crypto bear market would impair both their collateral and their broader financial capacity simultaneously.
Senators Dick Durbin, Elizabeth Warren, and Jeff Merkley sent a letter to FHFA Director Pulte criticizing the agency's decision to allow Fannie Mae to purchase crypto-backed second-lien mortgages. Their stated concerns include:
The senators requested FHFA responses by May 30, 2026. As of publication, no public response has been released.
The political framing matters because it signals potential legislative action. If crypto mortgage defaults materialize at scale, the program's lack of formal rulemaking process could become a liability. The FHFA directive bypassed the notice-and-comment rulemaking that typically governs changes to GSE underwriting standards.
The integration of cryptocurrency collateral into Fannie Mae-eligible mortgage underwriting represents a structural expansion of the GSE risk envelope into digital-asset volatility. The economic logic for borrowers is clear: avoid capital-gains realization while converting illiquid crypto wealth into housing equity. The economic logic for the system is less clear.
At current scale — one closed loan, $250 million in waitlist pipeline — systemic risk is negligible. The question is trajectory. If 5% penetration generates $100 billion in originations, the program would create material GSE exposure to an asset class that has historically exhibited 50–80% peak-to-trough drawdowns on multi-year cycles.
The 250% collateralization buffer provides meaningful protection against moderate volatility. It does not protect against a scenario where crypto and housing markets decline simultaneously — the precise correlation pattern observed during macro-financial stress events. The absence of margin calls, combined with a 60-day delinquency threshold for liquidation, means that in a rapid drawdown, collateral may be substantially impaired before any protective action occurs.
Whether this program remains a niche product for crypto-wealthy borrowers or scales into a systemic feature of U.S. housing finance depends on two variables: Bitcoin price trajectory and FHFA regulatory posture. Both remain uncertain. The data suggests that the framework's risk controls are calibrated for normal-to-moderate stress, not for the tail events that have defined every prior crypto cycle.