The U.S. Department of Labor on March 30 proposed a rule that would allow 401(k) retirement plans to include cryptocurrency, private equity, and other alternative assets for the first time under a clear federal framework. The proposal covers more than 150 million American workers and could channel a portion of the $10.1 trillion sitting in 401(k) accounts toward digital assets.
A 401(k) is an employer-sponsored retirement savings plan that lets workers invest pre-tax income into a menu of investments selected by the plan’s fiduciary, typically limited to mutual funds and index funds.
Key takeaways
- The Department of Labor proposed a rule on March 30 that creates a process-based safe harbor for 401(k) fiduciaries who add crypto and other alternative assets to plan menus.
- The rule covers $10.1 trillion in 401(k) assets held by more than 150 million Americans, with a 60-day public comment period now open.
- Plan fiduciaries must evaluate alternative investments against six factors: performance, fees, liquidity, valuation, benchmarks, and complexity.
- The proposal reverses Biden-era guidance that discouraged crypto in retirement accounts and stems from a Trump executive order signed in August 2025.
Published: March 31, 2026 08:00 UTC
What the rule does
The proposed rule establishes a process-based safe harbor under ERISA, the federal law governing employer-sponsored retirement plans. When a plan fiduciary follows the prescribed evaluation process, their judgment is “presumed to have met the fiduciary’s duties under section 404(a)(1)(B) of ERISA,” according to the rule text. That legal shield is the key change. Until now, fiduciaries faced serious litigation risk if they added volatile or complex assets like crypto to a 401(k) menu.
The rule requires fiduciaries to evaluate any alternative investment against six specific factors: historical performance, fee transparency, liquidity, valuation methodology, performance benchmarks, and complexity. The framework applies equally to crypto, private equity, private credit, real estate, and commodities. It does not endorse any specific asset class.
Labor Secretary Lori Chavez-DeRemer said the rule “will show how plans can consider products that better reflect the investment landscape as it exists today.” Treasury Secretary Scott Bessent called it “an initial step in implementing the President’s Executive Order in a safe and smart manner.”
Why this matters for crypto markets
American 401(k) plans held $10.1 trillion as of December 31, 2025, according to the Investment Company Institute. That figure represents the largest pool of retirement capital in the country. Even a 1% allocation across plans would translate to roughly $101 billion in new capital flowing toward digital assets, dwarfing the current institutional inflows from spot Bitcoin ETFs and corporate treasury purchases.
The proposal does not mandate crypto inclusion. Final decisions remain with individual plan fiduciaries, and adoption will likely be gradual. But the safe harbor removes the primary legal barrier that kept most plan sponsors from even considering digital assets. Bitcoin was trading at approximately $67,600 on March 31, with the broader crypto market watching how quickly plan administrators respond.
The political and regulatory backdrop
The rule traces directly to an executive order President Trump signed on August 7, 2025, directing the Labor Department and SEC to expand access to alternative assets in ERISA-governed retirement plans. The White House Office of Information and Regulatory Affairs completed its review of the proposed rule on March 24, clearing it for publication.
This reverses a Biden-era approach that actively discouraged crypto in retirement accounts. The Labor Department rescinded that earlier guidance in May 2025. The new proposal arrives alongside a broader regulatory shift: the SEC and CFTC signed a memorandum of understanding on March 11 to coordinate crypto oversight, and the SEC issued a landmark interpretation on March 17 classifying crypto assets into five categories including digital commodities and digital securities.
Not everyone supports the change. Senator Elizabeth Warren voiced strong objections, citing “volatility in private credit markets, recent underperformance by private equity funds, and losses seen in crypto assets.” Warren warned that “financial firms might profit from these changes” while “working Americans could ultimately bear the cost.”
What comes next
Comments on the proposed rule are due 60 days after publication in the Federal Register. After the comment period closes, the Labor Department may revise the rule before issuing a final version. The timeline for a final rule remains unclear, but the rapidly evolving crypto regulatory landscape suggests the administration wants to move quickly. The CLARITY Act stablecoin bill, which Polymarket gives 72% odds of becoming law, has its Senate Banking Committee markup targeted for late April.
For crypto markets, the significance is less about immediate capital flows and more about legitimacy. A federal framework that treats digital assets as a viable retirement investment option signals a structural shift in how Washington views crypto’s role in the financial system.
FAQ
Can I add Bitcoin to my 401(k) right now?
Not yet. The Labor Department’s rule is a proposal with a 60-day public comment period. Even after the rule is finalized, your employer’s plan fiduciary would need to decide whether to add crypto options to your plan’s investment menu. The timeline for any changes depends on the comment period, potential revisions, and individual plan decisions.
What does the safe harbor protect plan fiduciaries from?
The safe harbor shields plan sponsors from lawsuits alleging breach of fiduciary duty under ERISA when they add alternative assets like crypto to a 401(k) menu. If fiduciaries follow the six-factor evaluation process (performance, fees, liquidity, valuation, benchmarks, complexity), their investment decisions receive a legal presumption of compliance.
How much retirement money could flow into crypto?
U.S. 401(k) plans held $10.1 trillion as of Q4 2025. Even a small allocation of 1% across plans would represent roughly $101 billion in new crypto capital. However, adoption will be gradual and depends on individual fiduciaries choosing to offer digital asset options, so actual flows could take years to materialize.
