Observer, #11 - 19 Mar 2025
The post-pi-day edition
Welcome to Observer #11
This is a brief weekly roundup of Ethereum and wider industry news and headlines.
Find this week's link-list below, and comment if you'd like to join and help build this out!
Now subscribable via @paragraph_xyz!
Core Development (ACD) & L1
1/ @parithosh_j The Hoodi testnet is ALIVE
The new testnet Hoodi is live! The testnet is aimed at being a stable location for staking operators and infra providers to test on.
Holesky Validators and Staking providers (deprecated)
Sepolia: App and tool dev
Hoodi: Validators and Staking providers
blog.ethereum.org/2025/03/18/hoo…
Holesky Validators and Staking providers (deprecated)
Sepolia: App and tool dev
Hoodi: Validators and Staking providers
blog.ethereum.org/2025/03/18/hoo…
107
2/ @nixorokish ACDC #153 Agenda and more
1/5 
Ethereum's regular Thursday protocol development call: ACD Consensus #153
20 Mar 14:00 UTC
Light agenda, I expect this one to be relatively 'routine'. New testnet launched, *approximate* timing for Pectra on mainnet, PeerDAS & blob scaling updates, other Fusaka things
Ethereum's regular Thursday protocol development call: ACD Consensus #15320 Mar 14:00 UTC
Light agenda, I expect this one to be relatively 'routine'. New testnet launched, *approximate* timing for Pectra on mainnet, PeerDAS & blob scaling updates, other Fusaka things
3/ @christine_dkim ACDE #207 takeaways
4/ @barnabemonnot w/ latest from EF Research
L2
5/ @Celo Gets an @Aave v3 launch
The wait is over... @aave v3 has finally arrived on Celo! 
Following the Aave community's unanimous vote in favor of proposal 269 to activate Aave v3.3 on Celo, the borrowing & lending protocol is now live
What does this mean for the Celo community? Keep reading ↓
Following the Aave community's unanimous vote in favor of proposal 269 to activate Aave v3.3 on Celo, the borrowing & lending protocol is now live
What does this mean for the Celo community? Keep reading ↓
6/ @OffchainLabs Intros Onchain Labs to scale infra
Introducing Onchain Labs, in partnership with @arbitrum.
While we continue to innovate scaling infra, today we also look to empower the Arbitrum app layer.
While we continue to innovate scaling infra, today we also look to empower the Arbitrum app layer.
7/ @taikoxyz Grants cycle #3!
Taiko Grants Cycle 3 is here! 
$25M in funding for devs, researchers & builders in DeFi, AI, RWA, SocialFi, Gaming & beyond! Applicants may also qualify for Taiko Takeoff, our initiative to fund projects & create new opportunities for the Taiko community. Learn more!
1/
$25M in funding for devs, researchers & builders in DeFi, AI, RWA, SocialFi, Gaming & beyond! Applicants may also qualify for Taiko Takeoff, our initiative to fund projects & create new opportunities for the Taiko community. Learn more!
1/
8/ @eldoradoio 1mm downloads for stablecoin payment app on @arbitrum
¡Nueva meta desbloqueada!
Nuestra app ha superado 1 MILLÓN de descargas en la Play Store.
Seguimos acelerando la adopción de @Tether_to y @arbitrum en LATAM gracias a una experiencia intuitiva.
¡Vamos por más!
Ecosystem
9/ @Dune w/ the state of Stablecoins
1/ Stablecoins are reshaping finance 
Explore all insights, market trends, asset deep dives, and more in "The State of Stablecoins 2025"— a comprehensive report by Dune & @artemis
Link at the end of the thread
Explore all insights, market trends, asset deep dives, and more in "The State of Stablecoins 2025"— a comprehensive report by Dune & @artemis
Link at the end of the thread
10/ @alignedlayer Latest Zk Newsflash!
ZK-Newsflash! Here are the highlights of what happened in the ZK space from March 7th to 12th — presented by @BJ_Dyakov.
@Starknet posted its vision & plan to become the first Layer 2 to settle on both Bitcoin & @ethereum. @NexusLabs announced the third iteration
11/ @ethereumfndn EF App Builders Space #5 TODAY
Ethereum App Builders X Space #5 – Tomorrow at 3 PM UTC (11 AM EST)! Shifting focus to wallets & accounts this time
- @Ledger on ERC-7730: Making transactions human-readable
- @Alchemy on accounts: Insights on ERC-7702 & building with 4337
Set a reminder
x.com/i/spaces/1yNxa…
- @Ledger on ERC-7730: Making transactions human-readable
- @Alchemy on accounts: Insights on ERC-7702 & building with 4337
Set a reminder
x.com/i/spaces/1yNxa…
12/ @sassal0x Latest @thedailygwei
The latest @thedailygwei Refuel is ready for your consumption! 
Today's topics:
- Core dev updates
- Ether Guild introduced
- State of crypto
- and much more
Watch
youtu.be/W7RF4ux7XV0
Today's topics:
- Core dev updates
- Ether Guild introduced
- State of crypto
- and much more
Watch
youtu.be/W7RF4ux7XV0
13/ @EF_ESP Extends academic grants round
Big ideas need time, so we're giving you moreWe've extended the deadline for the 2025 Academic Grants Round to March 23, 23:59 AoE!
Take your research to the next level and apply now
esp.ethereum.foundation/academic-grants
14/ @ethereum Latest news from @rue1776
0/ Updates from the last two weeks in the Ethereum ecosystem, a guest thread by Ethereum Daily creator @Rue1776
I’m thrilled to share this thread to recap the most notable updates & announcements from Ethereum builders over the last few weeks
I’m thrilled to share this thread to recap the most notable updates & announcements from Ethereum builders over the last few weeks
15/ @HardhatHQ V3 Alpha is alive!
Announcing Hardhat 3 alpha release 
We introduced Solidity tests, rewrote the performance critical components in Rust, added multichain support across the board, implemented OP Stack simulation, revamped the build system, modernized our TS CLI and plugin system, and a lot
We introduced Solidity tests, rewrote the performance critical components in Rust, added multichain support across the board, implemented OP Stack simulation, revamped the build system, modernized our TS CLI and plugin system, and a lot
16/ @Rue1776 Ethereum Daily
~ Ethereum Daily ~
March 18th, 2025
Hoodi Testnet Goes Live
@Obol_Collective Incentives Program Launched
@sparkdotfi Tokenization Grand Prix Winners Announced
@Coinbase Verified Pools via @Uniswap
And Much More in the Thread Below!
March 18th, 2025
Hoodi Testnet Goes Live @Obol_Collective Incentives Program Launched @sparkdotfi Tokenization Grand Prix Winners Announced @Coinbase Verified Pools via @Uniswap And Much More in the Thread Below!
17/ @TheDRC_ DRC Q1/2 Reg Agenda
U.S. policymakers will pass laws in the next two years that will set the course of the crypto industry’s future for decades to come.
Before they do, we need them to understand why incentivizing decentralization is critical to the crypto industry’s success and how to account for
Before they do, we need them to understand why incentivizing decentralization is critical to the crypto industry’s success and how to account for
Events
18/ @BerkeleyRDI Hosted d/acc day at @ethereumsf, watch here
Excited to announce <d/acc day> at @UCBerkeley—hosted by @BerkeleyRDI and @ethereumsf.Join @VitalikButerin, @dawnsongtweets for an in-depth discussion on d/acc #decentralization #ai. Hear from brilliant minds incl. @juanbenet @mljmljmlj @DavideCrapis and many others on AI,
19/ @Interopolis Interopolis: A community interop event
Calling all researchers & philosophers:
Interop is complex. It requires deep collaboration between teams solving fundamental challenges across networks.
Enter Interopolis: a focused, application-only onsite for the interop community.
May 22-23, 2025, Athens
Interop is complex. It requires deep collaboration between teams solving fundamental challenges across networks.
Enter Interopolis: a focused, application-only onsite for the interop community.
May 22-23, 2025, Athens
20/ @NathanSexer 2025 Events, also on @Fileverse
These events are also synced on: ethereum.org/en/community/e…
And hosted on @fileverse:
And hosted on @fileverse:
docs.fileverse.io
dDocs | Privacy-enhancing Alternative to Google Docs
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Want to get involved?
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Thanks everyone, and see you next week.