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Ethereum Profile picture
@ethereum
Dec 1, 2025 • 6 tweets • 3 min read • Read on X
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1/ The Fusaka upgrade is coming December 3rd.

Ethereum is securely scaling.

Are you ready to support the changes?

Here’s what developers across the ecosystem need to do to prepare 🧵 Image
2/ L2 & Rollup Devs

PeerDAS unlocks up to 8x data throughput, meaning cheaper blob fees and faster confirmations

Get ready: Update your pricing, test PeerDAS on devnets, and prepare your infrastructure for BPO forks

Important dates to start using increased capacity: BPO1 Dec 9th & BPO2 Jan 7th

Schedule here: blog.ethereum.org/2025/11/06/fus…Image
3/ App & DeFi Devs

Fusaka will bring lower transaction costs and "instant-feel" UX via based pre-confirmations

How to prep: Re-benchmark critical paths for CLZ opcode efficiencies, plan for new RLP size limits, and integrate pre-conf APIs

Key change: EIP-7825 introduces a per-transaction gas limit cap of 2^24. Verify that your contracts and transaction builders conform to the new cap.

Details here: blog.ethereum.org/2025/10/21/fus…Image
4/ Wallet & User Infra Devs

The R1 curve and EIP-7951 are unlocking secure mobile-native passkeys and simpler signatures

Your role: Start building secp256r1 signing flows, ship updated passkey UX, and start tracking adoption on leaderboards Image
5/ Protocol Infra Devs

Fusaka brings higher gas limits (45M → 60M) and improved telemetry (EIP-7910) to strengthen upgrade confidence

To do: Benchmark performance under the new limits, test history expiry, and contribute your post-mortem metrics Image
6/ Ready to get started with your Fusaka upgrade prep?

Learn more about the upgrade: ethereum.org/roadmap/fusaka
Review features in the current fork: forkcast.org/upgrade/fusaka/

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More from @ethereum

Ethereum Profile picture
Feb 4
Ethereum is for AI.

ERC-8004, a new standard by the @ethereumfndn dAI Team, @MetaMask, @Google, @Coinbase, and others, provides a blueprint for how AI agents find and review each other, request and pay for jobs, and verify the work done.

What builders need to know.
1/ How it works

ERC-8004 uses three onchain registries to give agents a verifiable identity and reputation history that lives on Ethereum.
2/ The registries:

→ The identity registry includes the agent’s name, skills, and endpoints.

→ The reputation registry secures an immutable record of feedback that belongs to the agent.

→ The validation registry records proof that the agent’s work was done correctly.
Read 11 tweets
Ethereum Profile picture
Nov 28, 2025
1/ Fusaka is coming December 3rd.

Ethereum’s next major upgrade shows that the network can grow to meet global demand, without compromising on decentralization or permissionlessness.

Whether you’re a user, builder, institution, or operator, here’s how Fusaka will impact you. Image
2/ Fusaka for Ethereum users

Fusaka brings Ethereum closer to the ease of consumer apps: faster, safer, and easier to use

Data scaling means near-instant transactions

Mobile-ready wallets will more cheaply support passkeys for secure logins using your phone's hardware
3/ Fusaka for rollups & L2s

PeerDAS (EIP-7594) will unlock up to 8x data throughput by validating data via sampling

For rollups, this means cheaper blob fees and more space to grow (plus lower fees for users)

All while keeping the network decentralized
Read 7 tweets
Ethereum Profile picture
Oct 29, 2025
0/ There are currently 750+ privacy focused projects built on Ethereum.

Here are 18 of those teams building solutions on Ethereum today.
1/ @fluidkey is built on Ethereum.

It brings privacy to account-to-account transfers using stealth addresses, letting users transact without revealing their main wallet.

Tools like this make financial privacy normal, not exceptional.
2/ @RAILGUN_Project brings fully private DeFi to Ethereum, shielding balances and transaction history while keeping composability.

Privacy layers strengthen Ethereum’s role as a public settlement layer that doesn’t rely on surveillance.
Read 19 tweets
Ethereum Profile picture
Oct 21, 2025
0/ Client diversity is the secret sauce that ensures Ethereum never stops.

How do multiple client implementations help Ethereum? And how do multi-node validator clients take the concept to the next level?

A guest thread by @serenita_luca, CTO at @SerenitaIO.
1/ An Ethereum client is software that connects to the Ethereum network, verifies blocks and transactions, and lets you interact with the blockchain. Image
2/ Client diversity means having multiple, independent implementations of the Ethereum protocol.

Different clients make Ethereum more resilient – a bug in one client cannot bring down the whole network.
Read 12 tweets
Ethereum Profile picture
Sep 11, 2025
0/ Fixed yield will be DeFi’s Trojan horse for TradFi.

Predictable cashflows. Certainty in the face of uncertainties.

It’s a language institutions already understand and love - now enforced by code and settled on @Ethereum.

A guest thread by @tn_pendle. Image
1/ Variable yields can often be higher, but have no guarantee of actual performance. Even active strategies are invariably exposed to market fluctuations.

That’s why fixed yields anchor most portfolios: predictable returns that preserve wealth and compound growth.
2/ While the DeFi-TradFi convergence has recently surged, it remains largely entrenched in legacy metrics.

But the key to wooing institutions isn’t flashy APYs - it’s to meet them where they’re already comfortable.
Read 14 tweets
Ethereum Profile picture
Aug 26, 2025
0/ Exploring how tokenization on Ethereum can reach its full potential.

A guest thread by @carlosdomingo of @Securitize.

2025 will likely be remembered as the year of tokenization.

Today, we’re looking at why that is and how we can accelerate that future. Image
1/ Securitize has been working for nearly eight years to bring tokenized products to market, with the last year proving that tokenization is no longer a theory.
2/ Today, it’s a $26.5B market.

And Ethereum leads:
- $7.5B in tokenized RWAs
- $5.3B in tokenized Treasuries
- 72% market share in onchain Treasuries

It's where institutions are deploying capital.
app.rwa.xyz/networks/ether…Image
Read 16 tweets

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