( #Arbitrum )

#ArbOS Atlas is also introducing significant reductions in other fees for Arbitrum One, and is expected to be activated by March 18:

1️⃣

 L1 surplus fee. Reduce the surplus fee per compressed byte from 32 gwei to 0.

2️⃣

 L2 base fee. Reduce the minimum from 0.1 gwei to 0.01 gwei.



What does this mean for Applications?

Applications on Arbitrum One will not have to be modified or take any explicit action to get the benefits of using EIP-4844 (i.e. the whole chain opts-in with ArbOS 20 “Atlas”).117456

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 What does this mean for Orbit chains?

1️⃣

 L3 Rollup chains on top of Arbitrum One will see lower fees. No additional action is required.

2️⃣

 Self-governed Orbit L2 rollup chains must deploy ArbOS Atlas and also switch on #blob posting.