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How bitcoin cold wallets lost $70 million in an attack that never touched the devices

How bitcoin cold wallets lost $70 million in an attack that never touched the devices

Galaxy Research said weak seed generation let an attacker recreate likely private keys offline, sweep more than 1,000 BTC from nearly 1,200 wallets and continue searching without ever accessing the devices.

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Yes, most public blockchains (like Bitcoin and Ethereum) are transparent. Transactions can be traced back to public keys and wallet addresses, meaning that while they are pseudonymous (names are not directly tied to addresses), they are not completely anonymous.

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