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🎉The KimchiPremium took 3rd place at Remedy 2025! 🎉 We're a Korean CTF team that plays for fun. Many thanks to the @xyz_remedy @hexensio for hosting such a fantastic CTF with fun challenges. Looking forward to the next one!
The biggest Web3 CTF is over: 🥇 @ChainLight_io 🥈 A-Team 🥉 @Web3Kimchi The Remedy CTF 2025 was @hexensio's first-ever competition. Check out all the highlights 🧵
Awesome team with awesome results! Good game well pwned.
We finished the DEFCON CTF 32 as 3rd place! Collaborated with @dicegangctf and CodeRed. All we played hard and made it 👏👏👏
OP Mainnet 🔴 is now Stage 1! Following the latest update to their architecture, @Optimism is now marked green in both the State Validation and Proposer Failure sections of our Risk Rosette and moved to Stage 1.
Δ
The Delta upgrade slashed OP Chain fixed operating costs by over 90%. In this blog post, @testinprod_io recaps how they built the first critical hardfork built as OP Stack core devs: blog.oplabs.co/span-batches/
We love span batches ❤️
OP CHAINS ARE INCREDIBLY AFFORDABLE ✨Today, we launch Span Batches on Mainnet. The fixed onchain overhead costs for chain operators to run a standard rollup OP Chain will be reduced by over 90%.
Wrote some infra. Enjoy!
Heads up: We brought some juicy updates for OP-Erigon! - OP-Erigon now supports *Superchain Registry* integrations. - You can now download *snapshots* for OP Mainnet & Base Mainnet at snapshot.testinprod.io. - New Public RPC & Otterscan support: OP Sepolia!
Friends, we are humbled to announce that we're allocated 273,293 OP in RetroPGF 3. All thanks to you: - who eagerly supported us since we couldn't pass the quorum. - badge holders who had a bet on us. - believers of the Optimistic Vision & open internet.
RetroPGF Round 3 results are here! 30M OP was granted to contributors building the public goods that power the Optimism Collective.
*Test in Prod Needs You* Test in Prod is live on rPGF Round 3. We need your support to make the better OP Stack! Speaking of OP Stack, we're thrilled to share the impacts that we have *already* created for OP Stack👇
Nerds, we’re happy to announce that Test in Prod is the third core development team to join the Optimism Collective. We commit to advancing the Collective’s values and tech alongside @OPLabsPBC and @BuildOnBase, fellow core devs🫡
Decentralization comes in many forms, and growing the set of core technical contributors to the OP Stack is an important way to reduce the Collective’s reliance on any one group. With that in mind, we're excited to officially welcome @testinprod_io to the Optimism Collective!
We got 4th place in HITCON 2023 prequal! Meet in final 😉😉
gg🥳🥳
All cleared Crypto CTF 2023 as team "soon_haari solo play with beer"! Awesome time with @diff72840089
Our latest blog post is written by guest authors @testinprod_io. In it, they tell the story of how they discovered the magic of the OP Stack & built op-erigon. It is equal parts informative & heart-warming! blog.oplabs.co/building-op-er…
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