Headline: Ethereum dev Lefteris Karapetsas warns validator-funded grant plan could hand too much power to top stakers
Rotki founder and Ethereum developer Lefteris Karapetsas has pushed back against a new research proposal that would finance Ethereum public goods by redirecting a slice of validator rewards.
The plan, called Validator Redirected Revenue (VRR), would let validators divert between 0% and 10% of their staking rewards to fund infrastructure, core development and other public goods. If a majority of validators backed a non-zero rate, that contribution would apply network-wide. Validators would nominate preferred recipient addresses and a splitter contract would route raised funds to selected projects.
Karapetsas says he studied both the proposal and the public reaction before commenting, and criticized many online critics for attacking versions of the plan that don’t exist in the post. Even so, he rejects the mechanism itself: he warns VRR could enable “a cartel of the top stakers” to decide how up to 10% of validator rewards are spent, effectively forcing smaller validators to bankroll choices made by the largest operators.
Beyond the immediate governance worry, Karapetsas tied his opposition to broader unease about the state of Ethereum core development. He argued that core development has drifted from protocol users and implementers over the last decade, accumulating unnecessary complexity—citing RLP, SSZ and RLPx as examples—and that a funding squeeze might accelerate consolidation of research and core teams. He says he doesn’t want to keep reinforcing what he views as the same development culture.
Supporters of VRR cast it as a pragmatic response to Ethereum’s free-rider problem: many projects benefit from shared tooling, security work and public infrastructure while only a handful directly fund it. Since validators capture long-term value from the chain, proponents argue they are natural contributors to ecosystem funding.
The proposal estimates that redirecting 5%–10% of staking rewards could produce roughly 50,000–70,000 ETH per year for ecosystem work. It also flags a key tension: staking operators would pick recipients even though ETH holders ultimately suffer the reduced yield.
Karapetsas prefers a different approach if on-chain funding is needed: redirecting burned-fee revenue rather than validator proceeds. He acknowledges burned-fee funding has its own downsides related to gas use but considers it a lesser risk than handing large stakers control over rewards. He also questioned a suggestion for a pre-approved funding list, asking who would decide which projects qualify.
VRR remains at the research-forum stage, not a live protocol change. The next steps hinge on whether researchers can resolve the proposal’s governance and incentive challenges without undermining staker confidence. Karapetsas’ critique serves as an early, sharp warning: any funding reform must avoid concentrating spending power in the hands of the largest staking entities.
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