Ethereum co-founder Vitalik Buterin recently emphasized the importance of solo staking for maintaining Ethereum’s decentralization and security. Speaking at Ethereum Singapore 2024 on Sept. 16, 2024, Buterin discussed the risks associated with centralized entities and stressed the pivotal role solo stakers play in protecting Ethereum’s network against potential threats.
What is Solo Staking?
Solo stakers are independent participants who stake their ETH without relying on third-party services, centralized entities, or staking pools. Buterin pointed out that these individual stakers provide a crucial layer of decentralization, reducing the dependency on larger centralized institutions.
“Solo stakers act as an uncoordinated, diverse group that strengthens Ethereum’s defense by minimizing risks of centralization,” said Buterin.
Guarding Against 51% Attacks
One of the most critical topics Buterin touched upon was the threat of 51% attacks. Such attacks happen when a malicious actor gains control of more than half of the network’s computing power. According to Buterin, there’s a significant distinction between an entity controlling 50-56% of the network and one controlling 57% or more. In the latter scenario, the attacker could finalize blocks, leading to dangerous chain splits.
To address this, Buterin proposed raising Ethereum’s block finality threshold from two-thirds to three-quarters or more, making these attacks harder to execute.
“By increasing the quorum threshold, we strengthen Ethereum’s defenses, creating a more resilient and secure blockchain,” Buterin stated.
Support for Google’s Automated Sign-in Feature
In other developments, Buterin expressed cautious optimism about Google’s automated sign-in feature. While acknowledging potential risks, he suggested integrating it with Ethereum wallets using account abstraction and an M-of-N guardian setup for improved security.
Ethereum continues to innovate, balancing the need for enhanced security with decentralization to ensure the network remains resilient for the long term.