Someone has found an unauthorized hardware implant in Ledger devices. Cointelegraph reported it on Oct 12, 2026, in an article by staff writer Zoltan Vardai, edited by Robert Lakin. Ledger makes hardware wallets, which people use to hold their own Bitcoin keys instead of leaving them with a third party.
The discovery has started the argument again over whether Bitcoin is safer in a hardware wallet the owner controls or in an exchange-traded fund, where a custodian holds the coins for the investor. According to the report, people across the industry are now debating this. On one side are self-custody hardware wallets. On the other is custodial exposure through ETFs.
The available report leaves several things out. It does not say how the implant works, which Ledger devices are affected, who found it, or whether any funds were lost. It also does not include a response from Ledger. Until those details come out, nobody can say from this report how far the problem reaches.
What this changes for someone already holding a perpetual position on Bitget, Bybit, MEXC or OKX: nothing directly. The report does not mention funding rates, trading fees, liquidity or any of these exchanges. It is about how spot Bitcoin is stored, not about what it costs to keep a futures position open.
Source: cointelegraph — Ledger implant tests Bitcoin ETFs as safer custodial solutions than hardware wallets
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