Violent robberies aimed at crypto holders are moving from a niche fear to a real U.S. market risk. A recent California case showed how far this threat has gone. Authorities say a crew used fake food and package deliveries to get victims to open their doors, then used guns, beatings, and threats to force access to digital wallets. In one San Francisco case, a victim lost about $13 million in Bitcoin and Ether.
The story lands at a time when more investors are taking custody into their own hands. That makes private key security more important, but it also shifts more risk onto the holder. Today’s FBI internet crime figures show just how large crypto-related losses have become.
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What Happened
The California attacks were not standard burglaries. Police say the suspects studied victims, posed as delivery workers, and used surprise and violence instead of software hacks. Three men from Tennessee have been arrested, but investigators believe the wider network may be larger. The pattern is simple: if criminals think someone controls a large wallet, they may try to force a transfer in person.
This fits a broader trend in crypto crime. Security firm CertiK said confirmed “wrench attacks” rose 75% worldwide in 2025 to 72 incidents. These attacks rely on physical coercion, not code. That can include home invasions, kidnappings, and direct threats aimed at getting a seed phrase, wallet unlock, or transfer approval.
The backdrop is a market where crypto wealth is easier to identify than many investors think. Public wallets, social media posts, leaked customer data, and visible industry ties can all make a holder easier to find. That has turned some crypto owners into targets in the same way criminals once targeted jewelers or owners of cash-heavy businesses.
Why It Matters
This matters because crypto transactions are fast and hard to reverse. If a thief forces a bank customer to move money, there may still be a path to freeze or recall funds. With crypto, once the transfer is signed and broadcast, recovery can be far harder. That makes physical coercion a serious custody problem, not just a crime story.
It also changes the old self custody debate. For years, the main risk was digital: hacks, phishing, and exchange failure. Those threats still matter. But the new lesson is that cold storage does not stop a criminal standing in your home with a weapon. The best cyber defense may still fail against physical force.
Fresh FBI figures underline the scale of the broader threat around crypto crime. The bureau said today that Americans reported roughly 453,000 cyber-enabled fraud complaints with more than $17.7 billion in losses, while investment fraud remained the main driver of scam losses. Last year’s FBI annual report already showed more than $6.5 billion in reported losses tied to crypto investment fraud.
Opportunities and Risks
The most obvious opportunity is for professional custody. More investors may decide that convenience is worth giving up if it lowers personal risk. That could benefit exchanges, custodians, and wallet providers that use shared approvals, withdrawal delays, or multi-party controls instead of a single person holding all access. This year, Coinbase said its conditional OCC approval is meant to expand its custody and market infrastructure business under federal oversight.
There is also an opening for better wallet design. Security tools that reduce single points of failure may become more attractive as investors weigh not just hacking risk, but personal safety risk too.
But there is a cost. Self custody has long been sold as one of crypto’s purest ideas. If retail investors start to see it as a personal security burden, some may keep fewer assets in private wallets or avoid self custody altogether. That would not stop adoption, but it could push more of the market toward institutions and regulated platforms.
Investor Takeaway
For investors, the key point is simple: custody risk is no longer only digital. The rise in wrench attacks means portfolio security now includes privacy, physical safety, and how access is structured inside a wallet.
The market impact may be subtle at first, but it matters. If violent theft keeps rising, investors should expect more demand for qualified custodians, multi-signature wallets, and services that make large holders less visible. In crypto, the next phase of custody may be shaped as much by real-world threats as by code.


