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Vitalik buterin claims ethereum has conquered blockchain trilemma

Ethereum co-founder Vitalik Buterin recently asserted that Ethereum has tackled the blockchain trilemma, sparking significant debate among the community. This claim has drawn both support and skepticism on user boards, with conversations revolving around security and scalability.

By

Liam Chen

Jan 5, 2026, 07:47 PM

Updated

Jan 6, 2026, 12:58 PM

2 minutes reading time

An illustration showing Ethereum's network with symbols representing scalability, security, and decentralization.
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Users Question Reality of Buterinโ€™s Assertion

In his statement, Buterin declared, "The trilemma has been solved โ€” not on paper, but with live running code." He pointed to operational scaling measures like data availability sampling on Ethereum's mainnet. However, many people are not convinced by this progress. One user bluntly stated, "Ethereum did NOT solve the trilemma, they still need to tackle security."

The skepticism reflects a broader concern about whether Ethereum can truly secure its network while maintaining scalability and decentralization.

Key Themes from the Ongoing Discussion

  1. Security Gaps: Several participants spotlighted unresolved security issues, voicing doubts about the integrity of the network. A notable comment reads, "SPOILER: They did not."

  2. Scalability Doubts: Users expressed unease regarding Ethereum's practical scalability solutions. Some wondered whether true scalability was achievable under the current structure.

  3. Alternative Solutions: Users are suggesting alternatives to blockchain, with comments noting, "One could use a hashgraph instead of blockchainโ€”there are no trilemmas. HBAR." This hints at a growing interest in different technology options beyond Ethereum.

"Sounds like a sell signal," remarked another user, echoing concerns over Ethereum's future viability.

Notable User Sentiments

While optimistic voices exist, such as comments celebrating Ethereum's journey, the negativity from critical users can't be ignored. Recent discussions have revealed mixed feelings ranging from enthusiasm to outright dismissal of Buterin's claims.

Important Insights

  • ๐Ÿšจ Security issues persist, as many remain doubtful about current measures.

  • ๐Ÿ” Scalability remains a contentious point, with users questioning its effectiveness.

  • ๐Ÿ”„ Interest in alternatives is growing, with some suggesting hashgraph technology as a feasible option.

As 2025 rolls on, Ethereum's path forward relies on addressing these security concerns and proving its scalability to earn back trust from its community. While some users are optimistic, the wave of criticism and skepticism could shape Ethereum's narrative for months to come.

Ethereum's Future Under Scrutiny

As discussions continue, Ethereum faces pressing challenges that could determine its standing in the blockchain arena. The demand for enhanced security is high, with many predicting developers will have to roll out crucial updates within the next few months. Given the ongoing skepticism, what's next for Ethereum? Staying transparent with the community may be vital for maintaining its user base and future success.