One factor behind the trend was the U.S. Securities and Exchange Commission's approval in January 2024 for listing and trading spot bitcoin ETPs. The product offered a structure suited to existing brokerage accounts and portfolio management systems. It allowed advisers and brokers to add bitcoin exposure in a way similar to stocks, bonds and funds.
Fidelity's 2026 "Getting off zero" study also shows the change. Fidelity said asset managers need sufficient grounds to keep bitcoin allocations at zero. It added that a zero-percent allocation could be appropriate for investors who are unsuitable under volatility limits or investment rules. The point is not that bitcoin must be included, but that it has entered the formal candidate set investment committees review alongside other assets.
The spread of blockchain-based financial products is also cited as a factor making bitcoin more familiar. Key examples are stablecoins and tokenised securities. Federal Reserve researchers said the market capitalisation of stablecoins rose about 50 percent in 2025 to reach $317 billion as of April 6. The Fed defined tokenised securities as financial products that meet the requirements of securities but are implemented in the form of crypto assets, with ownership recorded on or through cryptocurrency networks.
The retirement market is another variable. The U.S. Labor Department proposed on March 30 a rule revision covering how 401(k) fiduciaries evaluate alternative assets. The proposal offers a process-focused safe harbour to retirement plan managers and could affect the retirement choices of more than 90 million Americans. Which alternative assets are actually added to menus would still depend on the fiduciary's judgment.
Data from the Investment Company Institute showed that employer-based defined contribution retirement plans totalled $13.8 trillion at the end of the first quarter of 2026, with 401(k)s accounting for $9.9 trillion. If only 0.25 percent of that were allocated to bitcoin-related products, it would be about $24.8 billion, and at 1 percent it would be about $99 billion. Applying 1 percent to all employer-based defined contribution plans would raise the figure to about $138 billion. Fiduciaries would set exposure levels based on product availability, fees, volatility, investment duties and participant demand.
A bullish bitcoin scenario depends on broader access translating into actual allocations. That would require advisory service usage rising beyond 42 percent, bitcoin being added to model portfolios and brokerage platforms offering it to more clients.
If access channels expand but actual allocations stagnate, outcomes could differ. Asset managers may keep bitcoin weights small because of volatility, client preferences or investment rules. Pension fiduciaries may allocate alternative-asset budgets to other assets.
Grayscale said in this framework, fiscal deficits, the spread of blockchain finance and a rising share of younger investors are drivers that broaden bitcoin adoption. The U.S. Congressional Budget Office forecast the federal budget deficit for fiscal 2026 at $1.9 trillion. It estimated the ratio of public debt to gross domestic product would rise to 120 percent in 2036 from 101 percent in 2026. Asset managers are citing these trends to present bitcoin as an "alternative monetary asset" in long-term portfolios.
Ultimately, future bitcoin holders are increasingly likely to enter the market as part of conventional asset-allocation decisions rather than with an identity as crypto users. It will not be enough for bitcoin simply to become easier to buy across traditional finance. How much portfolio weight it can secure is expected to be the next point to watch.
