Skip to content
All library documents

Ethereum’s First Decade: The Merge, Layer-2 Scaling, and Future Use Cases

Article OKX Learn

Summary

This retrospective surveys Ethereum from its 2015 launch through its tenth anniversary in 2025. It explains how smart contracts supported decentralized applications and summarizes major developments, including the 2022 transition from proof-of-work to proof-of-stake and the growth of Layer-2 networks that process transactions off the mainnet and settle them on it. The account frames the Merge as an energy-efficiency milestone and describes Layer-2 scaling as a way to reduce congestion and fees.

The article also reviews Ethereum’s roles in DeFi, NFTs, DAOs, gaming, derivatives, and real-world asset tokenization, then outlines a roadmap emphasizing scalability, privacy, and usability. It cites a derivatives open-interest figure and an energy reduction estimate, but provides no sourcing or methodology for those figures. It notes a tradeoff in Layer-2 adoption: improved efficiency may raise concerns about decentralization. Competition from other smart contract platforms is acknowledged, while the discussion remains a broad ecosystem overview rather than a comparative performance or investment analysis.

Key ideas

  • Ethereum’s smart contracts enabled decentralized applications across several sectors.
  • The Merge moved Ethereum from proof-of-work to proof-of-stake and sharply reduced energy use.
  • Layer-2 networks process transactions separately and settle them on the mainnet to ease congestion and fees.
  • Layer-2 scaling brings a tradeoff between usability and concerns about decentralization.
  • The article presents tokenization and programmable money as potential financial applications, while noting competition from other blockchains.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.