Why Ethereum and Solana Supply Growth Could Drop Sharply by 2031: Grayscale
TLDR:
Ethereum and Solana proposals could reduce annual inflation and slow new token supply growth.
Grayscale projects ETH inflation near 0.4% and SOL inflation near 1.1% by 2031 if changes pass.
Lower inflation could reduce staking rewards as fewer new tokens enter circulation across both networks.
Solana’s proposals appear to have broader community agreement, according to Grayscale’s research.
Ethereum and Solana are moving toward lower token inflation as both networks consider changes that could reduce future supply growth. The proposals could make ETH and SOL scarcer over the coming years if their communities approve the changes.
By 2031, projected annual inflation could fall below current gold supply growth and U.S. consumer inflation. The changes would also alter how staking rewards reach token holders across both networks.
Ethereum and Solana Weigh Lower Inflation
Ethereum and Solana support major blockchain activity, including stablecoins and tokenized assets. Their native tokens trade as digital commodities, with supply and demand shaping their market value.
According to Grayscale, proposed code changes could reduce annual token inflation on both networks. Lower supply growth would leave fewer new tokens entering circulation over time.
Grayscale estimates that Ethereum and Bitcoin could reach about 0.4% annual supply inflation by 2031. Solana could reach roughly 1.1%, assuming the proposed changes take effect.
The estimates assume the networks implement the proposed tokenomics changes without other supply adjustments. Bitcoin provides a useful comparison because its projected inflation would also remain near 0.4% annually.
Those figures would sit below gold’s estimated 1.8% annual supply growth and U.S. CPI inflation at 3.3%. The comparison shows how the proposals could change the supply profile of ETH and SOL.
The lower issuance rates would not automatically determine token prices, since demand would remain a separate market variable. Still, the proposed changes directly target the amount of new ETH and SOL entering circulation.
ETH and SOL Staking Rewards Could Change
The proposals remain under discussion within the respective blockchain communities. Grayscale said Solana’s proposals appear to have broader agreement and may have a higher chance of implementation.
Staking rewards rely partly on new token issuance, meaning lower inflation would reduce the number of tokens distributed to stakers. That change could alter the return profile for participants who secure each network.
Unstaked ETH and SOL holders could benefit from reduced token issuance if scarcity supports stronger market prices. Stakers would face a different calculation because lower rewards could offset any potential price increase.
Grayscale’s research also points to the technical nature of the proposed changes, particularly Ethereum’s staking model. The outcome depends on whether each community approves the changes and how the new parameters affect token supply.
Governance decisions will determine whether the proposed reductions become part of each network’s operating rules.



