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Solana Proposes Major Network Change: Dynamic Block Sizes

Solana's new proposal could boost transaction speed. But will it come at the cost of decentralization?

In this image there is a table with many cores, a laptop, a pen and a few things on it.
In this image there is a table with many cores, a laptop, a pen and a few things on it.

Solana Proposes Major Network Change: Dynamic Block Sizes

Solana's development community is considering a significant change to its network. The proposal, dubbed 'Firedancer', suggests removing the fixed block capacity limit. This move aims to allow block sizes to scale dynamically based on validator performance. The proposal, if implemented, would enable validators to skip blocks they cannot process, allowing higher-performance validators to produce larger blocks, potentially containing more transactions. However, it also raises concerns about potential dominance by validators with expensive hardware, possibly marginalizing smaller validators. Proponents argue that this change would create incentives for validators to upgrade their hardware and software, allowing the network's transaction capacity to grow with hardware improvements and market demand. However, Solana co-founder Anatoly Yakovenko has questioned these incentives and raised concerns about maximal extractable value (MEV) theft. The development community has advocated for this change after the planned Alpenglow upgrade, slated for testing in 2025. They aim to increase transaction speed while mitigating decentralization risks. Nevertheless, some developers have warned about potential centralization risks and stability challenges that could arise from removing the compute unit cap. Solana's proposal, if approved, could significantly reshape the network's dynamics, promising increased transaction capacity and growth potential, but also presenting challenges that the development community must carefully consider and address.

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