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How crypto collateral mortgages work

Borrowers pledge crypto on regulated exchanges like Coinbase as collateral for a second loan. That loan funds the down payment on a traditional 30-year Fannie Mae mortgage. Crypto stays in the borrower's custody but is locked as security.

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Only regulated exchange crypto counts

Bitcoin on Kraken, Coinbase, or Gemini qualifies. Cold wallets, DeFi positions, and peer-to-peer holdings do not. Regulators require custody arrangements they can monitor and enforce if a borrower defaults.

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The upside: keep your Bitcoin exposure

Crypto holders no longer need to sell and pay capital gains tax to buy a home. If Bitcoin rises during the mortgage term, the borrower's position grows while they build equity in the property.

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The downside: margin call risk

Lenders typically require 150–200% collateral ratios. A 30% Bitcoin price drop can trigger margin calls, forcing borrowers to add more collateral or face liquidation of their crypto holdings.

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Next: implementation by Fannie and Freddie

The FHFA directive is binding guidance, but Fannie Mae and Freddie Mac must draft formal underwriting proposals. Scale depends on private lenders building infrastructure — programs from Coinbase and Better offer templates for the market to follow.

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