Ethereum and Solana weigh staking reward cuts as Grayscale plans cash distributions for staking ETFs

Grayscale told the SEC in filings dated July 17 that its Ethereum and Solana staking ETFs would convert staking rewards into cash and pay them out to shareholders at least quarterly, with the operational changes expected around Aug. 7. At the same time, both networks are exploring protocol-level adjustments that would shrink staking income at the source. On Solana, developers backing SIMD0550 want to speed up the network's disinflation path by doubling the annual disinflation rate to 30% from 15%. The revised trajectory would reach Solana's 1.5% terminal inflation rate in about 2.8 years, versus roughly 5.7 years under the current schedule. Using the proposal's 68% staking assumption, modeled nominal staking yield falls from 5.84% today to 4.34% in year one, 3.00% in year two, and 2.25% in year three. The supply-side cost is a smaller issuance stream: about 18.9 million fewer SOL entering circulation over six years, valued at roughly $1.47 billion at SOL's current price near $77.97 (close to the $1.51 billion reference cited by the proposal's authors). Over a three-year window, the same modeling shows staking returns compounding to about 13.15% under the current schedule versus about 9.89% under the proposal. The analysis estimates SOL would need roughly 3% more price appreciation over three years to offset the reduced staking income in total return terms. Ethereum's draft EIP8363 takes a different route: it would burn an increasing share of validator issuance as the staking ratio rises, reaching a 100% burn of consensus rewards once roughly half of ETH's supply is staked. One author of the proposal warned that, absent changes, ongoing validator entry could push more than 70 million ETH (over 55% of supply) into staking by January 2028. The stated goal is to stop paying ever higher issuance to attract additional stake once sufficient ETH already secures the chain. The investment logic behind lower yields is framed as a shift in internal hurdle rates. Solana's proposal describes native staking yield as akin to a near risk-free rate within its economy; when passive staking pays 5.84%, lending, liquidity provision, and other DeFi strategies must clear that return before additional risk makes sense. Reducing staking yield could push capital toward those activities. Ethereum participants also note staking is not truly risk-free due to slashing and validator risks, a nuance that shapes the debate. Lower issuance most directly benefits holders who are not staking, since reduced token creation means less dilution without giving up income they were not earning. Passive stakers, by contrast, face lower protocol-level rewards. For ETF holders, Grayscale's cash-distribution framework standardizes how quickly rewards flow into brokerage accounts, but a smaller on-chain reward pool ultimately means smaller cash distributions. The proposals also have second-order effects on operators and market structure. Solana's modeling suggests the accelerated schedule would push 2 additional validators into unprofitable territory in year one, 13 in year two, and 30 in year three, out of 738 modeled validators. Ethereum's discussion flags greater sensitivity for smaller solo validators, since large custodians and staking firms can spread fixed costs across larger balances and may have other revenue lines. Supporters argue the market may value reduced dilution and a cleaner scarcity narrative more than the lost yield, bringing ETH and SOL a step closer to Bitcoin's supply-centric pitch. Skeptics counter that reward cuts can be read as a pay cut when cash and short-term Treasuries offer competitive yields with less operational risk, potentially weakening staking's appeal and pressuring marginal validators first. A further risk is political economy: as more businesses build revenue around staking yield—including staking protocols, DeFi platforms, and ETFs—monetary-policy-style changes can become harder to pass. If resistance slows or dilutes upgrades, the intended scarcity premium may not materialize enough to compensate for the income investors give up. Bottom line: Ethereum and Solana are leaning toward scarcity over yield, while Grayscale's ETF design turns whatever staking income exists into standardized cash distributions. Whether price appreciation offsets lower distributions will depend less on protocol mechanics than on how much investors ultimately value scarcity alone.