Solana's stake-weighted governance vote has passed SIMD-0550, clearing the two-thirds supermajority needed to double the network's annual disinflation rate from 15% to 30%.

The change accelerates how fast new SOL issuance winds down. It removes an estimated 18.9 million SOL, worth roughly $1.5B at recent prices, from future emissions and brings Solana's 1.5% terminal inflation forward by about three years, to around H1 2029 instead of 2032. Total supply ends up roughly 2.6% lower than under the old schedule.

Authored by Helius engineers and elevated to a formal Solana Governance Proposal, it is one of the network's biggest tokenomics changes to date. The trade-off: faster disinflation also trims future staking rewards, so validators and stakers accept lower nominal yield over time in exchange for a scarcer SOL.

For SOL holders, the vote is a clear shift toward scarcity: less new supply hitting the market each year and an earlier arrival at Solana's minimum inflation floor, at the cost of thinner staking emissions down the line.

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