Two governance proposals have emerged in the Solana ($SOL) ecosystem that could significantly alter the token supply dynamics of the network in the coming years. According to an estimate by 21Shares, if these proposals, named SIMD-550 and SIMD-553, are implemented simultaneously, the total $SOL issuance on Solana over a six-year period could be reduced by approximately $1.4 to $1.5 billion.
The SIMD-550 proposal aims to increase the network's annual inflation reduction rate from the current 15% to 30%. If adopted, the network's long-term goal of reaching a final inflation rate of 1.5% would be moved forward from approximately 2032 to the first half of 2029.
However, a faster reduction in $SOL issuance would also lead to a decrease in staking rewards. 21Shares estimates that nominal staking yields could drop to around 2.25% by the third year of the new model's implementation.
The second significant proposed change for Solana is related to SIMD-553. This proposal, approved and integrated into the codebase on July 20, introduces a new mechanism for fees based on the computational units consumed during financial transactions.
Based on current network activity, approximately 600 to 800 $SOL are burned daily on Solana, but with the implementation of SIMD-553, this amount is estimated to increase to 7,500–9,000 $SOL. This represents roughly a tenfold increase in $SOL burn compared to current levels.
According to 21Shares, when considering the accelerated inflation reduction from SIMD-550 and the planned token burn from SIMD-553, the net token issuance for Solana could be reduced by approximately $1.4 to $1.5 billion over the next six years.
However, some uncertainties need to be resolved before these projections can be fully confirmed. While SIMD-550 is still subject to a final vote, the actual impact of SIMD-553 will vary depending on the fee structure imposed on validators.
*This is not investment advice.
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