European Central Bank Study Challenges DeFi DAO Decentralization Claims Under MiCA Framework
A recent European Central Bank research document reveals that DeFi protocol governance is heavily centralized, creating challenges for determining which entities should be regulated under MiCA rules.
On March 26, the European Central Bank released a working paper revealing significant concentration of governance power within four prominent DeFi protocols.
The research document examines Aave, MakerDAO, Ampleforth and Uniswap, revealing that despite governance tokens being distributed among tens of thousands of wallet addresses, the top 100 token holders maintain control over more than 80% of total supply in each of these protocols.
Drawing from holdings data captured in November 2022 and May 2023, the researchers discovered that a substantial portion of governance tokens can be traced back to the protocols' own entities or to both centralized and decentralized cryptocurrency exchanges, with Binance emerging as the largest identifiable centralized exchange token holder across all four examined protocols.
The research team stated that these discoveries call into question the assumption that decentralized autonomous organizations (DAOs) are truly decentralized in nature, presenting concerns regarding accountability and creating difficulties in determining potential regulatory oversight points within the European Union's Markets in Crypto-Assets Regulation (MiCA) framework. Under current MiCA provisions, "fully decentralised" services are exempted from regulatory requirements.
Top token holders dominate governance
The research team additionally examined which participants actually cast votes on critical proposals, determining that the primary voters are predominantly delegates who exercise delegated voting authority from smaller token holders.
In Ampleforth, the top 20 voters command 96% of delegated voting authority, whereas in MakerDAO the top 10 voters possess 66% of delegated votes, and in Uniswap the top 18 maintain 52%. Approximately one-third of leading voters lack public identification, and among those who can be identified, the predominant groups consist of individuals and Web3 companies, with university blockchain societies and venture firms following closely behind.
Cointelegraph contacted Aave, Uniswap, MakerDAO, and Ampleforth for comment, but had not received a response by publication.
Kavi Jain, senior research associate at Bitwise, explained to Cointelegraph that numerous major DeFi protocols were not as decentralized in actual practice as they may seem, particularly during their early development phases, where a limited group continues to possess "meaningful influence over decisions."
He referenced the recent Aave governance debate which illustrated how, despite having a DAO structure in place, voting power can "still be concentrated among a few participants."
MiCA faces DeFi accountability problem
The research document details what governance mechanisms actually determine, discovering that the greatest proportion of proposals concerns "risk parameters" that define the protocols' risk characteristics. This presents additional questions regarding accountability, particularly considering that it is "not possible" to determine from publicly accessible data whether protocol-associated holdings are owned by founders, developers or treasuries, or whether exchange wallets are casting votes using their own holdings or those belonging to customers.
There are certain limitations with the research methodology, and the document itself cautions that it does not encompass the "full scope of the DeFi ecosystem," attributable to inadequate data availability.
The research document also emphasizes that it represents the authors' perspectives rather than official ECB policy position, however, it cautions that the challenge of reliably determining who controls major protocols creates difficulties in relying on common regulatory entry points such as governance token holders, developers or centralized exchanges, and indicates that the appropriate regulatory anchor may vary protocol by protocol and necessitate information that is not publicly accessible.
Its conclusions mirror previous warnings from the Financial Stability Board and other organizations, referenced in the paper, that DeFi's commitment to disintermediation frequently conceals new types of concentration and governance risk that resemble, and occasionally magnify, those observed in traditional finance.