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Over 11 million bitcoin has no known owner. Here's what it means
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- DeepHorus
Galaxy Research’s October snapshot found that about 11.1 million bitcoin, or 55% of the roughly 20.1 million coins mined, sits in addresses the firm cannot link to an exchange, fund, government or other known entity. The finding suggests that self-custodied coins may still account for most of Bitcoin’s supply despite years of institutional adoption. Galaxy classifies the remaining 45% with known attributions, including major exchanges, BlackRock-led ETFs and the U.S. government. The largest named holder remains the “Satoshi Nakamoto (Patoshi Pattern)” cluster at 1,123,658 BTC.
Self-custody means holding bitcoin’s private keys directly instead of leaving coins with an exchange or fund. Alex Thorn, Galaxy’s head of research, said the unattributed share shows that “maybe even most” bitcoin is still held by individuals managing their own keys. In a post on X, he noted that more than half of supply remains in addresses with no known attribution “despite all the institutionalization and centralized ownership over the years.” Xapo Bank, a bitcoin-focused bank, replied that the data reflects retail investors’ decade-long presence in the market. Bitcoin, it said, grew from the bottom up before institutions arrived.
The figure matters because Bitcoin’s public ledger shows balances at every address but not the identity behind them. Research firms like Galaxy try to attach names by tracking wallets known to belong to exchanges, funds and large holders. When more than half of supply cannot be attributed, market observers have less visibility into who controls coins and how they might move. That opacity can complicate analysis of liquidity, custody risk and long-term holder behavior.
Galaxy’s caveat is that the 55% is not necessarily a clean measure of individual self-custody. It may include coins whose owners have lost keys or died, as well as early-mined coins not tied to the Patoshi pattern. It could also include unidentified institutional holdings, funds, companies and over-the-counter desks that arrange large trades privately. Complex custody arrangements that spread coins across many addresses can also make tracing harder.
Even so, the snapshot undercuts a simple narrative that institutions now dominate Bitcoin ownership. ETFs and corporate treasuries have grown, but the largest slice of supply remains unnamed. For retail investors, that is evidence that self-custody remains a meaningful part of the market. For analysts, it is a reminder that on-chain data can reveal quantities without revealing owners.
The outlook depends on better attribution and clearer custody disclosure. As ETFs, governments and funds expand, Galaxy’s mapping may identify more coins over time. But lost keys, privacy practices and multi-address custody will likely keep a substantial share unattributed. For now, the biggest question in Bitcoin ownership is not how many coins exist, but who can still access them.
