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More thoughts on 401k's and crypto

More thoughts on 401k's and crypto

| September 26, 2025

A recent article from Broadridge lays out several considerations for fiduciaries who are thinking about whether to allow cryptocurrency (or crypto-asset) options in retirement plans. Major risks, prudential duties, and practical constraints are as follows:

  1. Regulatory Uncertainty & Oversight Gaps
    Crypto markets are far less regulated than traditional markets. Risks include manipulation, fraud, security breaches. There is no strong, consistently enforced regulatory framework. This increases fiduciary exposure.

  2. Volatility & Risk
    Crypto assets are highly volatile. Large swings in short periods can undermine retirement portfolios. For participants, this raises issues of suitability, risk tolerance, and alignment with retirement time horizons. The article emphasizes that advisors must understand and document both quantitative and qualitative risk exposures.

  3. Due Diligence Obligations
    If a plan sponsor does include crypto, fiduciary duty demands robust due diligence: verifying custody arrangements, valuation methodology, service provider strength, compliance, etc. All investment options must be evaluated with comparable rigor to traditional assets.

  4. Complexity & Participant Understanding
    Many participants may not understand blockchain, crypto volatility, wallet custody risks, etc. Transparency and educational support are critical if crypto is made available. The article also mentions that crypto exposure may best be accessed via structured vehicles (e.g. exchange-traded funds) rather than direct ownership of coins, to reduce complexity.

  5. Long-Term Viability & Role in Portfolio
    There’s uncertainty about whether crypto will play a stable, positive role in long-term retirement portfolios: correlation with other assets, consistency of returns over time, and whether crypto actually diversifies risk or introduces new kinds of systemic risks.

  6. Fiduciary Does Not Have to Add Crypto Option
    Just because participants may ask doesn’t compel a fiduciary to provide a crypto investment option. The decision must be based on prudence. The article reinforces that the default fiduciary posture is conservative: only include crypto if it passes a rigorous risk/reward and operational evaluation.


Implications & Recommendations for Plan Sponsors

As a veteran 401k advisor, here’s what I believe plan sponsors should take away—and steps you might consider.

Issue

Implication

Action Items

Fiduciary Risk

Liability increases if crypto is included without full diligence or if losses occur without participant understanding.

Perform thorough vendor due diligence (custody, valuation, insurance). Document process. Ensure legal counsel / ERISA counsel reviews disclosures.

Participant Education and Communication

Without proper education, participants may misinterpret risk, misallocate, or be surprised by losses.

Develop clear educational materials; possibly require a minimum “lock-in” or cooling-off period; limit crypto exposure within the overall portfolio.

Design & Exposure Limits

Crypto, if included, should likely be a small portion, perhaps via more traditional vehicles (ETFs etc.) rather than direct coin ownership.

Consider setting maximum allocation (e.g. cap percent), limit to certain classes, or offer optional side fund rather than core offering.

Ongoing Monitoring

Crypto markets change fast; what is acceptable today may become riskier tomorrow.

Monitor valuation reliability, regulatory landscape, fees, security incidents. Re-evaluate periodically.

Governance and Documentation

Every step must be documented to protect fiduciaries and show prudent process.

Keep records of selection criteria; board/committee minutes; risk assessments; participant disclosures.


The Parting Glass

While crypto has allure — possible upside, potential diversification — in my judgment it is not yet appropriate for most 401(k) lineups in a core, unconditional way. The risks (regulatory, valuation, volatility, operational) still outweigh the benefits for many sponsors and participants, especially in a fiduciary context. If a plan sponsor does include crypto, it should be optional, limited in exposure, wrapped in robust education, and under strict oversight.