Wealthy Bitcoin holders are moving coins from private wallets into regulated funds. Large transfers now favor Bitcoin ETFs over self-custody.
The trend places convenience and structure ahead of the older “hold your own keys” mindset.
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On Wednesday, Martin Hiesboeck, head of blockchain and crypto research at Uphold, described a break with the past.
He said data shows the first notable decline in self-custodied BTC in more than 15 years. He called it “another nail in the coffin of the original crypto spirit.”
Hiesboeck linked the shift to practical advantages. He cited tax treatment, adviser workflows, and access to broader services.
He added that investors still keep price exposure while relying on established institutions. The move reflects how large portfolios often choose structure and reporting clarity over private key management.
Tax Benefits and SEC In-Kind Redemptions: Why ETFs Gain the Edge
A recent U.S. SEC rule change is central to this migration. The adjustment allows in-kind creations and redemptions for spot Bitcoin ETFs.
With in-kind, authorized participants can exchange BTC directly for ETF shares and back again.
This structure matters for taxes. In a cash model, funds sell assets to meet redemptions. Sales can trigger capital gains that pass through to shareholders. Those distributions can surprise long-term holders at year-end.
In-kind redemptions reduce that pressure. Funds can deliver Bitcoin itself instead of selling it. That step helps avoid taxable sales inside the fund.
Hiesboeck wrote that the mechanism “makes the ETF structure more tax-efficient for long-term holders.” The approach lowers the chance of broad capital gains distributions.
BlackRock IBIT Flows and Institutional Rationale: The $3 Billion Signal
The largest flows highlight the new center of gravity. BlackRock’s iShares Bitcoin Trust (IBIT) has already processed over $3 billion in whale conversions.
The figure comes from Robbie Mitchnick, BlackRock’s head of digital assets, in comments to Bloomberg.
Mitchnick said many early adopters now prefer to manage exposure through familiar channels.
They retain BTC price tracking inside an ETF wrapper. At the same time, they use existing custodians, brokers, and advisory platforms. That setup streamlines audits, reporting, and portfolio construction.
The appeal also includes lending and collateral options handled within traditional pipelines. Investors can route positions through their advisers and banks.
They then access services tied to regulated accounts rather than private keys. For large holders, that can simplify everything from compliance to estate planning.
Self-Custody Ethos vs Institutional Infrastructure: What the Data Shows
The phrase “not your keys, not your coins” once set the tone. Yet whales are measuring operational risk and tax outcomes against that ideal. The result is a steady handoff from private wallets to ETF shares.
Hiesboeck framed the moment as cultural as well as technical. He pointed to a visible drop in self-custodied BTC, which he called the first in more than 15 years. He tied the decline to clear incentives rather than a change in belief about Bitcoin itself.
The infrastructure now supports that choice. With SEC-approved in-kind flows, funds can move BTC without triggering sales.
Investors, in turn, avoid pooled gains distributions. The mechanism aligns long-term holding with tax-aware portfolio design.
Whales, Advisers, and Compliance: How the Pieces Fit
Large holders often work through registered advisers. Those teams balance risk, cost, and record-keeping.
Bitcoin ETFs fit into that model with standard statements and controls. They also integrate with custodians that already secure other assets.
Hiesboeck noted the convenience of using existing financial rails. He cited wealth-management access and service breadth as practical drivers. Mitchnick echoed that point by highlighting demand for simple exposure with institutional guardrails.
The numbers underscore the change. IBIT’s more than $3 billion in conversions signals fresh preference.
It shows whales moving coins into a vehicle that supports in-kind flows. It also shows how tax and operations now shape BTC allocation at scale.
Key Quotes and Takeaways Inside the Shift
“Another nail in the coffin of the original crypto spirit,”
Hiesboeck wrote. He tied the phrase to the measurable decline in self-custodied BTC. He also stressed that in-kind mechanics support long-term holders by reducing fund-level sales.
Mitchnick pointed to convenience as a main factor. He said early adopters are comfortable holding exposure through established institutions. They continue to track Bitcoin’s price without the tasks of private key security.
Together, the comments and flows present a clear picture. The SEC rule enables in-kind movement. The tax angle reduces distributions. And the $3 billion figure at IBIT shows whales acting on those incentives.
Disclosure:This article does not contain investment advice or recommendations. Every investment and trading move involves risk, and readers should conduct their own research when making a decision.
Kriptoworld.com accepts no liability for any errors in the articles or for any financial loss resulting from incorrect information.
Tatevik Avetisyan is an editor at Kriptoworld who covers emerging crypto trends, blockchain innovation, and altcoin developments. She is passionate about breaking down complex stories for a global audience and making digital finance more accessible.
📅 Published: October 22, 2025 • 🕓 Last updated: October 22, 2025
