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Without Hard Fork, Quantum Protection for Ethereum Wallets Costs Only $0.07

Ethereum network users can now prepare for hacking risks from future quantum computers without waiting for a hard fork. Nicolas Consigny, head of Kohaku privacy project at the Ethereum Foundation, announced that this new protection system is now ready for direct testing at the account level. This security feature is claimed to be highly efficient because it only requires about $0.07 in gas fees per wallet.
This proactive step has gained attention because most wallet addresses in the market today, including on the Bitcoin network, still rely on outdated security systems (ECDSA) that expose the user's public key after transactions. Experts estimate that the private key structure of these systems could be vulnerable to being cracked once super-fast next-generation quantum computer technology is officially operational in the future. Through a new proposed method called SPHINCS-, developers can directly inject additional smart contract logic as a protective shield without needing to change the fundamental rules of the Ethereum blockchain.
This low-cost protection plan aligns with Ethereum founder Vitalik Buterin's long-term roadmap, which continues to focus on system resilience and user privacy. Although the threat from quantum technology is not expected to impact the market in the near future, testing this protection is considered very important for large-scale asset holders (whales). This innovation provides space for the wallet ecosystem and developers to secure user funds earlier before large-scale implementation in the future.