Published: September 18, 2025
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Important decisions were made on today's Ethereum developer call, ACDC #165. Developers confirmed the public testnet schedule and BPO hard fork schedule for Fusaka. Let's get into it.

Image in tweet by Christine D. Kim

At a high-level, here's what developers agreed should be the schedule for Fusaka moving forward: October 1: Holesky upgrade October 14: Sepolia upgrade October 28: Hoodi upgrade December 3: Mainnet upgrade

They'll be reconfirming the exact dates, times, and epoch numbers over the next few days. They also agreed that based on some preliminary analysis on Fusaka Devnet-5, blob capacity should more than double over the two weeks following Fusaka activation.

Initially, Fusaka will make no changes to blob capacity. After the first week, the first BPO fork will activate and increase the blob target/max from 6/9 to 10/15 blobs. A week after the first BPO fork, the second BPO fork will activate and increase these values to 14/21.

Here's the full details on the Fusaka timeline and BPO schedule agree on today's ACDC call: @bbusa/fusaka-bpo-timeline class="text-blue-500 hover:underline" target="_blank" rel="noopener noreferrer">https://notes.ethereum.org/@bb... The full call summary will be posted to my Substack tonight on: http://christinedkim.substack.... Subscribe to get the summary + key takeaways in your inbox!

@christine_dkim 👀

@christine_dkim DevConnect will be an interesting point in the Fusaka roadmap too @christine_dkim

@christine_dkim Thank you for what you do

@christine_dkim Thank you for your amazing work!

@SD29919 You’re welcome !

@christine_dkim @materkel Training the algo Thx for the tldr

@christine_dkim wen Fusaka? I need that sweet sweet airdrop. Soon, I hope

Folks like Ansem and Andrew, who seem to believe in nothing except their currently active perp positions and follower count, will always be surprised when ETH, a civilizational-grade asset, outperforms over the medium to long term.

Image in tweet by Christine D. Kim

This screenshot alone is enough to justify all the hate is coming to Solana

Image in tweet by Christine D. Kim

The Ethereum Community is beginning to believe. The coordinated ETH FUD attack is failing.

I'm probably dumb, but...

Image in tweet by Christine D. Kim

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