Vitalik Buterin Says Ethereum Has Solved the Blockchain Trilemma

TheNewsCryptoPublished on 2026-01-05Last updated on 2026-01-05

Abstract

Vitalik Buterin, co-founder of Ethereum, claims the network has solved the blockchain trilemma through key upgrades like PeerDAS and ZK-EVMs. PeerDAS, introduced in the recent Fusaka upgrade, enhances data handling and scalability. ZK-EVMs, though still in alpha, combine zero-knowledge proofs with Ethereum's virtual machine to provide decentralized consensus and high bandwidth. Buterin outlined a timeline for full implementation, expecting ZK-EVMs to be operational within four years, with significant network improvements between 2026 and 2030. This progress, built on a decade of work, aims to balance decentralization, security, and scalability without compromise.

The co-founder of Ethereum, Vitalik Buterin, has claimed that Ethereum has been successful in solving one of the biggest challenges in crypto, which is the blockchain trilemma.

On January 4, Buterin highlighted the power of peer data availability sampling (PeerDAS) and zero-knowledge Ethereum virtual machines (ZK-EVMs), mentioning that these two upgrades have pushed Ethereum to become a fundamentally new and more robust kind of decentralised network.

He further added that, with Ethereum, when amalgamated with PeerDAS and ZK-EVMs, the community gets a decentralised consensus and high bandwidth. Talking about PeerDAS, it is a scalability enhancement rolled out in the Fusaka upgrade in the last month, enabling Ethereum to handle more data easily.

Adding more to this, ZKEVMs are virtual machines having compatibility for both ZK proofs and the current virtual machine. Buterin further mentioned that ZKEVMs are currently in their alpha stage, as they are performance-ready but need extra security improvements. Within four years, ZKEVMs will be in a complete operating stage. After this thing, the vision of solving Buterin will be officially obtained.

The Upcoming 4 Years

In the coming 4 years, we expect to witness a complete launch of this vision. This year, big non-ZKEVM-dependent gas limit surges because of BALs and ePBS, and we will have the opportunity to run a ZKEVM node.

The years 2026 to 2028 will witness things such as gas repricings, changes to state structure, exec payload going into blobs, and further changes that make higher gas limits secure. Furthermore, the 2027 to 2030 era will witness further gas limit increases, as ZKEVM becomes the main source of validating blocks on the network.

Around 10 years of continued work has finally led Ethereum to be in a position of being able to solve the trilemma, Buterin mentioned. He also highlighted his first post regarding solving data-availability problems, which was made in 2017.

The blockchain trilemma is the complexity of making a blockchain network that fairly achieves decentralisation, security and scalability simultaneously, without any one interfering in the others.

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