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Update minimum base fee to 5,000,000 wei #1148

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niran merged 2 commits into from
Feb 19, 2026
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Update minimum base fee to 5,000,000 wei #1148

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640b5bf
Update minimum base fee to 5,000,000 wei
niran Feb 19, 2026
d615f9e
Update Sepolia EIP-1559 Denominator to match Mainnet
niran Feb 19, 2026
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4 changes: 4 additions & 0 deletions docs/base-chain/network-information/configuration-changelog.mdx
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Expand Up @@ -10,6 +10,7 @@ This page tracks configuration changes to the Base networks, including updates t

| Date | Change | Documentation |
|------|--------|---------------|
| February 19, 2026 | Increased Minimum Base Fee to 5,000,000 wei | [Minimum Base Fee](/base-chain/network-information/network-fees#minimum-base-fee) |
| February 4, 2026 | Increased EIP-1559 Denominator to 125 | [EIP-1559 Fee Parameters](/base-chain/network-information/network-fees#eip-1559-fee-parameters) |
| February 2, 2026 | Increased Minimum Base Fee to 2,000,000 wei | [Minimum Base Fee](/base-chain/network-information/network-fees#minimum-base-fee) |
| January 22, 2026 | Increased Minimum Base Fee to 1,000,000 wei | [Minimum Base Fee](/base-chain/network-information/network-fees#minimum-base-fee) |
Expand All @@ -26,6 +27,9 @@ This page tracks configuration changes to the Base networks, including updates t

| Date | Change | Documentation |
|------|--------|---------------|
| February 19, 2026 | Increased Minimum Base Fee to 5,000,000 wei | [Minimum Base Fee](/base-chain/network-information/network-fees#minimum-base-fee) |
| February 10, 2026 | Increased EIP-1559 Denominator to 125 | [EIP-1559 Fee Parameters](/base-chain/network-information/network-fees#eip-1559-fee-parameters) |
| February 10, 2026 | Increased Minimum Base Fee to 2,000,000 wei | [Minimum Base Fee](/base-chain/network-information/network-fees#minimum-base-fee) |
| November 20, 2025 | Enabled Minimum Base Fee (200,000 wei) | [Minimum Base Fee](/base-chain/network-information/network-fees#minimum-base-fee) |
| September 3, 2025 | Enabled Per-Transaction Gas Maximum | [Per-Transaction Gas Maximum](/base-chain/network-information/block-building#per-transaction-gas-maximum) |
| February 25, 2025 | Enabled Flashblocks | [Flashblocks](/base-chain/network-information/block-building#flashblocks) |
8 changes: 4 additions & 4 deletions docs/base-chain/network-information/network-fees.mdx
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Expand Up @@ -30,7 +30,7 @@ documentation](https://docs.optimism.io/stack/transactions/fees).

As part of the [Jovian upgrade], Base introduced a minimum base fee. This feature sets a floor for the L2 base fee, preventing it from dropping to extremely low levels during periods of low network activity.

The minimum base fee for Base Mainnet is 2,000,000 wei (0.002 gwei). This value may be periodically adjusted as we gather data on how it affects the chain. For reference, a minimum base fee of 0.002 gwei results in a cost of approximately \$0.001 for a typical 200,000 gas transaction at an ETH price of \$2500.
The minimum base fee for Base Mainnet is 5,000,000 wei (0.005 gwei). This value may be periodically adjusted as we gather data on how it affects the chain. For reference, a minimum base fee of 0.005 gwei results in a cost of approximately \$0.002 for a typical 200,000 gas transaction at an ETH price of \$2000.

### Benefits

Expand All @@ -42,8 +42,8 @@ The minimum base fee for Base Mainnet is 2,000,000 wei (0.002 gwei). This value

| Network | Minimum Base Fee |
|--------------|------------------|
| Base Mainnet | 2,000,000 wei (0.002 gwei) |
| Base Sepolia | 200,000 wei (0.0002 gwei) |
| Base Mainnet | 5,000,000 wei (0.005 gwei) |
| Base Sepolia | 5,000,000 wei (0.005 gwei) |

See the [Configuration Changelog](/base-chain/network-information/configuration-changelog) for a history of changes to the minimum base fee and other network parameters.

Expand Down Expand Up @@ -76,6 +76,6 @@ This gradual adjustment helps prevent extreme fee volatility during traffic spik
| Network | Elasticity | Denominator | Max Change/Block |
|--------------|------------|-------------|------------------|
| Base Mainnet | 6 | 125 | 4% |
| Base Sepolia | 6 | 50 | 10% |
| Base Sepolia | 6 | 125 | 4% |

[Jovian upgrade]: https://docs.optimism.io/notices/upgrade-17