Ethereum

2024

Ethereum co-founder Vitalik Buterin spoke at Ethereum Singapore 2024 on Sept. 16 about the importance of solo staking for the future of Ethereum’s security and decentralization.
Buterin discussed the risks posed by centralized entities and the role solo stakers play in protecting the network from attacks to ensure its long-term resilience and sustainability.
Solo stakers are individuals that independently stake their cryptocurrencies, like Ether (<a data-ct-non-breakable="null" href="https://cointelegraph.com/ethereum-price" rel="noopener noreferrer nofollow" target="_self" text="null" title="https://cointelegraph.com/ethereum-price">ETH</a>), without relying on third-party services, centralized entities, or staking pools.
<figure><img alt="Vitalik Buterin: Solo staking key to Ethereum’s security" name="" src="https://s3.cointelegraph.com/uploads/2024-09/0191fa79-3d4b-704b-b8a3-3fed47b04773">
 <figcaption style="text-align: center;">
 Vitalik Buterin and Samuel Chong discussing network security and the role of staking at Ethereum Singapore 2024.
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Related: <a data-ct-non-breakable="null" href="https://cointelegraph.com/news/buterin-x-activity-spikes-posts-more-than-last-18-months" rel="noopener noreferrer nofollow" target="null" text="null" title="null">Vitalik Buterin ups X activity in August, posts more than last 18 months</a>
<h2 id="solo-staking-for-network-decentralization">Solo staking for network decentralization</h2>
Buterin emphasized the vital role of solo stakers for decentralization, highlighting that they present an uncoordinated and diverse group that reduces reliance on centralized entities.&nbsp;
<blockquote>
 “The stronger that we can have solo [...] I think there is a lot of ways in which that can serve as this really important extra layer of defense regarding security and privacy.”
</blockquote>
From Buterin’s perspective outlined in the discussion, even a small percentage of solo stakers can add an important decentralized layer of protection for Ethereum.
Related: <a data-ct-non-breakable="null" href="https://cointelegraph.com/news/ethereum-l2-not-at-stage-1-are-dead-says-vitalik" rel="noopener noreferrer nofollow" target="null" text="null" title="null">Vitalik: L2s that aren’t at least ‘stage 1’ are dead to me</a>
<h2 id="defending-against-51-attacks">Defending against 51% attacks</h2>
Buterin also spoke about the role of solo stakers and the network’s layer of protection against 51% attacks, where a malicious entity gains most of the blockchain’s computing power.
In scenarios where a 51% attack threatens the network, the key difference lies in whether the attacker controls 50-56% or 57% and above.
At 57% or above, the attacker can finalize blocks, potentially leading to a chain split if left unchecked and unchallenged.
To combat this, Vitalik suggested that Ethereum should consider raising the block finality threshold from two-thirds to a higher number to make attacks harder to accomplish.
<blockquote>
 “One of the ideas that I’ve been promoting recently is the idea that [...] Ethereum should increase its quorum threshold from two-thirds to a higher number. Either three-quarters or possibly even more.”
</blockquote>
Related: <a data-ct-non-breakable="null" href="https://cointelegraph.com/news/vitalik-buterin-donations-yield-better-gains-investments" rel="noopener noreferrer nofollow" target="null" text="null" title="null">Vitalik says ‘at present’ his donations yield better gains than investments</a>
<h2 id="buterin-bullish-on-google-automated-sign-in">Buterin bullish on Google automated sign-in</h2>
The Ethereum co-founder recently <a data-ct-non-breakable="null" href="https://cointelegraph.com/news/vitalik-buterin-bullish-google-sign-in-bearish-duels-death" rel="noopener noreferrer nofollow" target="null" text="null" title="null">offered support on social media</a> for Google’s automatic sign-in feature, sparking discussion about the implications.
On Sept. 4, Buterin acknowledged the disadvantages of the sign-in services as bridges to secure systems via account abstraction but asserted that it might be worth the risk.
He suggested that the servicing wallets be given “a signing key” and an “M-of-N guardian setup,” involving a security model to protect access to sensitive data or assets similar to a multisig. Magazine: <a data-ct-non-breakable="null" href="https://cointelegraph.com/magazine/simple-change-save-ethereum-roadmap-to-hell/" rel="noopener noreferrer nofollow" target="null" text="null" title="null">Proposed change could save Ethereum from L2 ‘roadmap to hell’</a>

Vitalik Buterin: Solo staking key to Ethereum’s security

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