Bitcoin Cold Wallets Lose $70M in Attack That Never Touched the Devices

Galaxy Research has uncovered a critical vulnerability in Bitcoin cold wallets that led to the theft of over 1,000 BTC, worth $70 million. The attack exploited weak seed generation, allowing an attacker to recreate private keys offline without ever physically accessing the cold storage devices. This incident exposes fundamental flaws in the Bitcoin wallet seed generation process, putting thousands of users who rely on cold storage solutions at risk. The attacker's ability to continue searching for vulnerable wallets without interacting with the devices represents a persistent threat to the cryptocurrency ecosystem, highlighting the urgent need for better security practices and seed generation protocols.
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