SharpLink CEO Warns EIP-8363 Could Hurt Ethereum Staking and DeFi

SharpLink CEO Joseph Chalom has criticized Ethereum proposal EIP-8363, warning that reducing validator rewards could damage decentralized finance (DeFi), discourage institutional ETH ownership, and weaken Ethereum’s native yield advantage over Bitcoin (BTC).

Chalom, a former BlackRock executive, outlined his concerns on Friday as debate over the proposed Ethereum staking changes continues. Despite the controversy, analysts at Messari believe EIP-8363 has a low probability of being adopted.

EIP-8363 proposes burning a portion of validator rewards associated with assigned duties. The burn rate would increase alongside Ethereum’s staking ratio. If the amount of staked ETH reaches 60.25 million ETH, approximately half of the cryptocurrency’s total supply, the affected rewards would face a 100% burn.

The mechanism would be phased in over 18 months while leaving existing consensus-layer rewards and penalties intact. As of August 7, 2026, the proposal’s pull request remained open.

The proposal is designed to prevent Ethereum issuance from continuously encouraging more ETH staking while preserving incentives for validators to carry out their responsibilities.

Chalom argues that the approach could create unintended consequences for the Ethereum ecosystem. Lower ETH staking yields could reduce liquidity and increase borrowing costs across DeFi protocols. He also believes native staking yield is an important reason institutional investors may prefer Ethereum, since ETH can generate returns while offering potential price appreciation.

Validator rewards, Chalom added, support more than ETH holders. They also help finance validators, infrastructure providers, developers, and other participants throughout the Ethereum network. He warned that institutions could even choose to sell ETH after unstaking if returns become less attractive.

The timing is another concern. Ethereum has been gaining institutional traction through stablecoins, tokenized real-world assets and increasing participation from traditional financial companies. Chalom believes reducing staking incentives could slow that momentum.

Messari analysts have also questioned whether EIP-8363 solves a significant problem. Ethereum’s annual issuance is already around 0.85%, limiting the urgency of further issuance reductions.

Supporters argue that EIP-8363 could reduce ETH dilution and limit staking centralization among large institutional players. However, Messari maintains that Ethereum’s bigger challenge involves demand and real yield rather than nominal staking returns, leaving the proposal with relatively low odds of approval.