Researchers at the European Central Bank (ECB) have published a significant paper titled "Who to regulate? Identifying actors within DeFi’s governance," which directly challenges the perceived decentralization of major DeFi protocols. The study was prompted by the EU's Markets in Crypto-Assets (MiCA) regulation, which explicitly excludes services "provided in a fully decentralised manner." The ECB's core finding is that these protocols are not, in fact, fully decentralized.
The researchers analyzed the governance structures of four prominent protocols: Aave, Uniswap, MakerDAO, and Ampleforth. Using data from November 2022 and May 2023, they discovered that voting power is "highly concentrated among just a handful of people." The paper states, "While these tokens are technically distributed across a large number of unique blockchain addresses, a small number of entities holds a majority of the supply." This concentration challenges the foundational principle of decentralized autonomous organizations (DAOs).
Approximately half of the voting power was traced back to "the protocols themselves," meaning founders, developers, and DAO treasuries. However, the pseudonymous nature of DeFi governance prevented further identification. Centralized exchanges were found to hold between 3% and 22% of the governance tokens across the studied protocols, though this may include customer assets. The researchers noted a "lack of transparency" that complicates accountability, admitting they could not identify around one-third of the top voters in their sample.
The ECB's findings are underscored by recent real-world controversies. In Aave DAO, a public feud involved accusations that founder Stani Kulechov used his substantial token holdings to influence proposal outcomes. Similarly, Uniswap DAO's decentralization was questioned during a U.S. congressional hearing, where Representative Sean Casten challenged the Uniswap Foundation's potential for unilateral decision-making.
In response, the ECB researchers proposed regulatory pathways. They suggested improving the traceability of token holdings and clarifying stakeholder roles. Another proposal involves creating tailored legal structures for DAOs, similar to Wyoming's DUNA Act passed in March 2024, which Uniswap DAO has already utilized to establish a legal entity. The study signals a growing regulatory focus on the governance mechanics of the DeFi sector.
