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ETH A new era of Ethereum pledge systems
Ethereum developers have taken an important step to strengthen the network's pledge infrastructure to withstand possible future quantum computer attacks. The new proposal aims to make ETH deposit contracts more flexible, allowing the use of different signature methods in addition to the existing BLS signature system. This change is seen as the first step in Ethereum's long-term transition to a quantum-resistant security infrastructure.
Ethereum will transition to a Proof of Stake system in 2022, introducing a model in which verifiers use pledges to ensure network security. Under the current architecture, if a user wants to deposit into ETH and become a verifier, he must use a specific signature system called BLS. This situation poses a major restriction on the future integration of new quantum-resistant signature technology into the Ethereum pledge system. Since existing ETH deposit contracts only accept BLS signatures, adding new technologies directly becomes impractical.
The proposal, co-proposed by Thomas Coratger, head of the Ethereum Foundation's quantum security team, and independent researchers Kevaundray Wedderburn and Tom Wambsgans, aims to address the above issues. The proposal plans to transform ETH deposit contracts into a more flexible structure, and the new design seeks to support both existing BLS systems and different signature systems that may be adopted in the future. In this way, Ethereum's pledge infrastructure will make it easier to integrate new security technologies.
The first step in resisting quantum attacks
The possibility that quantum computers could threaten existing cryptographic systems in the future occupies an important place on the blockchain industry's long-term security agenda. In particular, some of the encryption and signature methods currently in use may become vulnerable when sufficiently powerful quantum computers emerge. As a result, Ethereum developers are already working to make key components of the network more flexible.
If the new proposal is implemented, verifiers will initially be able to use both BLS and other signature systems. In this way, Ethereum's pledge infrastructure will no longer be limited to a single encryption method, and more secure technologies developed in the future can be more smoothly integrated into the system. This strategy is expected to allow Ethereum to transition to quantum-resistant technology in a more controllable manner.
Final goal: The long-term goal of the
proposal is not limited to supporting the new signature system. Researchers hope to completely disable the BLS system, which is considered no longer safe from quantum computers, in the future, and adopt new quantum-resistant keys. Under this framework, Ethereum's pledge infrastructure will become more flexible from now on, which can pave the way for more comprehensive security upgrades in the future. However, there is no final conclusion on the implementation of the proposal and when the new signature system will be fully integrated into the Ethereum main network.
