Tech • IA • Crypto
🚨Retraites américaines : 10 000 milliards s'ouvrent à Bitcoin ?
6/10TL;DR
The American retirement savings plans 401(k), managing around $10 trillion, could soon legally include Bitcoin, thanks to a new federal rule that now offers legal protection to fund managers wishing to include the cryptocurrency.
KEY POINTS
A colossal stake for American retirement savings
More than 70 million Americans subscribe to 401(k) plans, where part of their salary is automatically invested in stocks, bonds, or real estate funds. So far, Bitcoin has not been included, not due to a legal ban, but because of the lack of a reassuring legal framework for managers facing the risk of lawsuits.
The regulatory turning point of March 30, 2026
The US Department of Labor announced a rule establishing a “Safe Harbor”, a legal shield for managers wishing to include alternative assets like Bitcoin in 401(k) plans. This measure imposes six stringent criteria of analysis and valuation, ensuring that managers who comply are presumed prudent in court. It is a reversal of the burden of proof, now resting with plaintiffs.
Origins and historical obstacles
Since the ERISA Act of 1974, managers must act prudently and loyally, with no list of prohibited or authorized assets. In theory, nothing forbade including Bitcoin since its creation. But in 2022, a Department of Labor warning pointed to volatility, fraud, and custody risks of crypto assets, almost completely discouraging any initiative under threat of heavy legal procedures.
Discreet but real pioneers
Despite this, some players like Fidelity (since 2022) and For Us All have offered Bitcoin options in retirement plans, with strict limits (5-20%), confirming both feasibility and caution of early approaches amid uncertainty.
Legislative and political evolution towards openness
In May 2025, the administration returned to a neutral stance, removing the restrictive 2022 guidance. In August 2025, a presidential decree by Donald Trump advocated removing barriers to alternative assets, including cryptocurrencies. The March 30, 2026 rule then materialized this shift by providing a clear and protective framework for managers.
Limits of the Safe Harbor
This protection applies only to the initial decision to include an asset, not to ongoing management. If a manager fails to react to a major drop, such as a 50% decline in Bitcoin, they remain exposed to lawsuits for breach of prudence.
Opposition and skepticism
Some, including Senator Elizabeth Warren, warn about risks to average savers, highlighting Bitcoin’s volatility and the 33% drop recorded after an October 2025 peak. Large institutions like Vanguard or Schwab might decline offering Bitcoin to avoid controversy.
Arguments in favor
Supporters emphasize the neutrality of the rule, which forces nothing but offers choice to savers, noting that depriving 70 million Americans of the asset that was the best performer of the last decade amounts to excessive paternalism.
Potential impact on the Bitcoin market
An investment of only 0.1% of the $10 trillion would represent around $10 billion in new investments, about 20% of inflows into Bitcoin ETFs since January 2024. At 1%, the amount rises to $100 billion. These steady flows occur via monthly automatic contributions, creating a massive institutional “dollar-cost averaging” effect.
Target date funds: a major lever
Nearly 70% of contributions in 401(k)s go through target date funds that adjust allocations by age: more aggressive when young, more cautious approaching retirement. Modest Bitcoin inclusion in these funds could trigger wide and long-lasting adoption effortlessly by employees.
Expected timeline
The public consultation period ends in June 2026; the final text should be published by the end of 2026. Technical implementation will take 6 to 12 months, with pilot programs at large employers expected by mid-2027. Broader adoption is anticipated between 2028 and 2030.
An international snowball effect
The American opening could accelerate pressure to include Bitcoin in European and French retirement plans, where the regulatory landscape remains more conservative. Without this momentum, Europe risks missing this innovation.
Consequences for supply-demand balance
Purchases by retirement plans will add to current flows (ETFs, thematic funds), intensifying buying pressure already stretched by whales and historic investors, alongside growing demand from institutional and sovereign actors.
A revolution underway
In four years, the US Department of Labor has moved from investigation threats to framed legal protection for Bitcoin investments in 401(k)s, opening a new era where cryptocurrency could become a significant component of American retirements.
The question is no longer if Bitcoin will enter American retirement plans, but at what speed and what share it will be granted within these billions of savings awaiting a gateway.