ChainThink report, December 23, Ethereum Foundation member renaissancing released the 2025 year-end summary for Ethereum: 2025 marks a watershed moment in Ethereum’s development history. Ethereum officially sheds its label as an "experimental network" and emerges as a global infrastructure actively relied upon by financial institutions, developers, and AI systems.

In protocol advancements, Ethereum completed two major hard forks within a single year—Pectra in May and Fusaka in December. Pectra enabled full deployment of Account Abstraction, supporting gas sponsorships, transaction bundling, and passkey signatures; Fusaka leveraged PeerDAS to significantly reduce costs and achieve 8x scalability. Additionally, Ethereum increased its Gas limit three times without hard forks, demonstrating sustained self-optimization capability.

Regulatory and institutional progress emerged as pivotal variables. The U.S. SEC issued staking compliance guidelines, with the Chair publicly stating that "Ethereum is not a security"; the U.S. passed the GENIUS Act, establishing the first federal-level stablecoin regulatory framework. The Tornado Cash sanctions were lifted, granting judicial recognition to privacy-preserving smart contracts, shifting privacy from a compliance risk to a foundational capability.

Institutional adoption reached full maturity. JPMorgan launched its tokenized money market fund MONY on Ethereum mainnet; BlackRock’s BUIDL scale peaked near $3 billion; Ethereum spot ETF assets under management reached $28.6 billion. Stablecoin supply surpassed $300 billion, with annual transaction volume approaching $46 trillion, capturing 54% market share on Ethereum.

In ecosystem development, Layer 2 networks achieved full maturity. Base, Arbitrum, zkSync, and others implemented sub-cent fee tiers; total L2 locked value reached $35.7 billion, with transaction volume exceeding that of the mainnet. DeFi total value locked rose to $93.9 billion, up 71% year-over-year; Uniswap’s annual trading volume surpassed $1 trillion, while Aave’s active lending volume reached $25 billion.

Integration between AI and Ethereum began materializing. ERC-8004 established standardized identity and asset frameworks for AI Agents; Coinbase launched the x402 protocol to enable machine-to-machine micropayments, positioning Ethereum as the core settlement layer for the AI economy.

At the ten-year milestone, Ethereum developer numbers continued growing, with global offline events spanning multiple regions. In 2025, Ethereum is no longer a "future vision"—it has become a stable, world-class infrastructure in operation.