On February 15, 2025, the most famous anonymous voice in cryptocurrency logged onto X and dropped a bombshell. Plan B, the Dutch institutional investor who built the legendary Stock-to-Flow model, admitted he no longer holds his own private keys. Instead, he moved his entire digital fortune into traditional exchange-traded funds.
For a community built entirely on the principle of individual sovereignty, the announcement felt like a betrayal. The inventor of the most recognized price prediction model in the industry had voluntarily handed his wealth over to asset managers. It ignited a fierce debate about the true cost of mainstream financial adoption and whether the original cypherpunk dream is quietly fading away.
A 25 Year Finance Veteran Drops the Golden Rule
Before the controversy, Plan B spent roughly a quarter of a century working in traditional financial markets as a pseudonymous Dutch institutional investor. He gained global fame in March 2019 after publishing the original Stock-to-Flow model, which famously used the asset’s digital scarcity to forecast future price milestones. For years, he was viewed as a foundational pillar of the hardcore holder community.
That reputation fractured the moment he published his disclosure. He stated that it was simply easier for him to manage his cryptocurrency the exact same way he handles his equities and traditional bonds. He noted that the transition gave him peace of mind, entirely removing the persistent anxiety of managing private keys and securing physical backup phrases.
By making this shift, he knowingly violated the core community mantra. The phrase “not your keys, not your coins” is drilled into every new buyer from their first day in the market. It means that if your assets sit in a third-party account, you do not actually own them. You merely hold an IOU from a financial institution that could freeze your account at any moment.
“I have transferred my bitcoin to ETFs. Yes I know, not your keys not your coins. But it is just easier for me to manage bitcoin the same way as equities and bonds… I guess I am not a maxi anymore.” – Plan B, via his official X profile
The reaction was immediate and unforgiving. Hundreds of users flooded his replies, with some mockingly suggesting he rename his highly followed social media account to “PlanETF” to better reflect his corporate surrender. Traditional finance critics jumped on the opportunity as well. Peter Schiff, the Chief Economist at Euro Pacific Asset Management, called the move “Another example of how Bitcoin fails to meet its supposed purpose. It is nothing more than a digital pyramid scheme.”
Despite the sharp insults, the analyst engaged calmly with his critics. He questioned whether holding shares in MicroStrategy would have been a more acceptable alternative to his followers, proving he was open to dialogue. Yet, he admitted his genuine surprise at the vitriol, stating he simply viewed these regulated financial products as the logical next step in global adoption.

The 36 Percent Tax Trap Driving European Holders Away
While the ideological debate raged online, a quiet legislative reality in Europe provided a very practical explanation for the transition. The Netherlands has been actively overhauling its wealth tax system, moving toward a structure that makes holding self-custody digital assets an absolute accounting nightmare for wealthy individuals.
Dutch lawmakers recently approved a complete overhaul of the Box 3 wealth tax system, scheduled to take effect in 2028. Under this new legislation, the government will impose a proposed 36 percent flat tax rate on all unrealized capital gains for liquid assets. This means investors will owe taxes on the rising value of their portfolio every single year, regardless of whether they actually sold anything to cover the bill.
Tracking the exact cost basis and yearly appreciation across multiple hardware wallets, decentralized exchanges, and private key setups is incredibly difficult. By shifting everything into regulated exchange-traded funds, an investor receives standard brokerage statements. The brokerage calculates the exact yearly gains, automates the reporting, and integrates seamlessly with standard accounting software.
The burden of managing physical security is another hidden tax. A self-custody setup for a large fortune requires fireproof safes, geographically distributed metal backup plates, and complex multi-signature wallet arrangements. If an investor makes a single mistake during a software update or a firmware flash, their entire net worth can vanish instantly with no customer service hotline to call.
For someone with decades of institutional experience, the choice eventually comes down to pure risk management. Paying a fraction of a percent in management fees to a regulated entity like Fidelity or BlackRock effectively transfers the existential risk of a hack or a lost password onto a corporation with trillions of dollars in backing.
Seven Figure Portfolios Inside Traditional Vaults
Plan B is far from the only person making this exact calculation. Since the U.S. Securities and Exchange Commission approved the first 11 spot products in January 2024, the floodgates of traditional capital have ripped wide open. The resulting inflows have fundamentally altered the underlying market structure of the entire cryptocurrency sector.
The pace of accumulation has shocked even the most optimistic analysts. By early 2026, spot ETFs held a staggering 1.27 million Bitcoin, effectively swallowing a large percentage of the available global supply. While many assumed these products would only attract conservative retirement accounts, over 700,000 of those coins are held directly by retail investors who simply prefer the convenience of a stock ticker.
- BlackRock’s iShares Trust (IBIT) dominates the field with over $56 billion in assets.
- Grayscale’s Mini Trust captures cost-conscious buyers with a low 0.15 percent expense ratio.
- Institutional entities like the State of Wisconsin Investment Board doubled their stake to 6 million shares.
- Net inflows during the very first month of trading in 2024 reached $4.94 billion.
| Bitcoin ETF Product | Assets Under Management | Expense Ratio |
|---|---|---|
| iShares Bitcoin Trust (IBIT) | Over $56 billion | 0.25% |
| Fidelity Wise Origin (FBTC) | Over $6 billion | 0.25% |
| Grayscale Mini Trust ETF | Over $1.5 billion | 0.15% |
The success of these funds has completely rewritten the playbook for large financial entities. Asset managers are no longer viewing cryptocurrency as a fringe gamble. Instead, it has become a standard portfolio allocation, sitting right next to emerging market equities and traditional commodity funds.
This rapid integration brings its own set of dangers. If a few massive institutions hold the majority of the available supply, the decentralization that made the network valuable in the first place begins to erode. Retail buyers may celebrate the price appreciation that comes with Wall Street money, but they lose their voting power in the process.
Wall Street Absorbs the Hardcore Believers
The tension surrounding this announcement exposes a deep philosophical rift that the industry can no longer ignore. For more than a decade, the core selling point of cryptocurrency was the absolute removal of trusted third parties. You did not need a bank, you did not need a broker, and nobody could censor your transactions.
Now, the very system created to bypass the banking sector is being aggressively co-opted by it. When someone buys a share of IBIT, they are trusting a bank to hold the asset, a broker to clear the trade, and a government regulator to maintain the rules. It is the exact traditional financial structure that early cypherpunks sought to destroy.
- Purists argue this centralization makes the network vulnerable to government seizure.
- Pragmatists believe Wall Street integration is the only way to reach global adoption.
- Institutional owners can heavily influence future network upgrades and protocol changes.
Yet, the reality of managing significant wealth often forces compromises. When an asset transitions from a speculative internet experiment into a globally recognized store of value, the people holding it tend to age into different priorities. They stop wanting to be their own bank and start wanting the legal protections, tax reporting, and customer service that actual banks provide.
When a pioneer of the space willingly trades his hardware wallets for a regulated brokerage account, it signals a permanent shift in how digital wealth is going to be stored. The ideological battles over self-custody will continue on social media, but the vast majority of future capital will likely flow straight through Wall Street. The ease of buying a #BitcoinETF on a smartphone is simply too appealing for the average person, especially as governments introduce complex #CryptoTaxes that make independent ownership a severe legal liability.
Disclaimer: This article does not constitute financial advice. Investment decisions in cryptocurrency carry significant risk, and tax regulations vary wildly by jurisdiction. Always consult a licensed financial advisor and a certified tax professional before making major changes to your digital asset portfolio.



