Ethereum's proposed increase in the block gas limit to 60 million units represents the second adjustment within a six-month period, following a prior change in February 2025 that raised the limit from 30 million to 36 million units.

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The gas limit was previously capped at 30 million but was raised to 36 million in February this year. The prior adjustment occurred in 2021, when it doubled from 15 million to 30 million units.

Should that proposed boost be adopted, it would mark the second time that the fee is being adjusted in the last 6 months. The initial gas limit cap was 15 million and in 2021, it was raised to 30 million. By February 2025, the 30 million gas limit was adjusted to 36 million.