Strategy’s massive Bitcoin hoard is back in the spotlight as critics question whether all of its coins are “real” — and fully under its control.
What’s happening
Strategy (formerly MicroStrategy), long regarded as the corporate Bitcoin pioneer, has been on a multi-year buying spree and now reports holding 712,000 BTC. After recent reports that some of those coins might be derivatives or “paper BTC” (rehypothecated assets reused by custodians), the company’s founder and chairman Michael Saylor pushed back directly: “We buy real Bitcoin. We audit our custodians. We don’t rehypothecate. You shouldn’t either.”
Why the concern matters
Rehypothecation means a custodian could reuse or repledge assets it holds for others, which would make headline balances less reliable as a reflection of final, spendable supply. That possibility has crypto observers worried because Strategy’s purchases have been large enough to meaningfully affect supply-demand dynamics: the company invested roughly $20 billion into Bitcoin in 2024, about $23 billion in 2025, and has put in close to $4 billion so far in 2026, adding more than 40,000 BTC this year alone, per CryptoQuant.
On-chain analysts note Strategy’s 2026 buying roughly rivals the ~11,700 BTC mined this year, a dynamic some (including analyst Jesse Myers) say should tighten supply and support a price rally. But markets haven’t shown that rally, which prompted further scrutiny.
Who holds the coins — and what’s traceable
Strategy’s BTC are reportedly held with three custodians: Coinbase, Anchorage, and Anchorage Digital. On-chain tracing shows that roughly 420,000 BTC held at Coinbase and Anchorage are kept in segregated addresses and are publicly traceable; Arkham’s tracking puts that amount at about 415,000 BTC. Another ~183,000 BTC was reportedly moved to Fidelity Custody — but Fidelity does not publish segregated wallet addresses in the same way, making those holdings harder to track on-chain.
That leaves a gap. On-chain analyst Sani calculates there are more than 110,000 BTC across those custodians that remain effectively unaccounted for on-chain — the focal point of critics’ claims that Strategy’s headline balance may not equate to 100% exclusive, non-rehypothecated ownership.
Voices from the community
Security researcher Jameson Lopp and others have raised the central question bluntly: how can Strategy verify that custodians aren’t using those coins for other purposes? Lopp asked whether Strategy confirms the coins “only belong to them and aren’t rehypothecated.” Similarly, Jesse Myers argued Strategy’s buying thesis would be sound — but only “under the assumption that he’s buying real bitcoin.”
Saylor has denied rehypothecation allegations and said the company audits custodians, but at press time he had not publicly posted additional proofs addressing the specific untraceable BTC batches flagged by analysts.
Market reaction
The controversy coincided with a modest market pullback: Strategy’s MSTR stock slipped about 2% to $157.45, while Bitcoin fell roughly 1.5% following the Federal Open Market Committee meeting.
What to watch
- Any transparency disclosures from Strategy or its custodians clarifying custodial segregation and proof-of-reserves for the disputed batches.
- Continued on-chain tracking from firms like Arkham and CryptoQuant to refine the custody picture.
- Whether renewed clarity (or lack of it) changes investor sentiment and the price response to Strategy’s ongoing purchases.
Disclaimer
This summary is informational and not investment advice. Crypto investments are high-risk; do your own research before making decisions.
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