Linera Announcements
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Official channel for announcements to the Linera community | Linera.io
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🚀 Announcing the Linera SDK v0.11 for Rust
The SDK has been simplified and extended in many ways to make it easier to build a wide variety of applications.
https://forum.linera.io/t/releasing-linera-sdk-v0-11/221

🔧Wasm bindgen and VM upgrade
We rolled out a new generic framework to generate API stubs for Wasm containers, called “Witty”. This means that Wasm-compatible source languages supported by wit-bindgen will be easier to support in the future. This change also allowed us to upgrade to Wasmer v4.

👋 API Simplifications
We improved naming and made applications control their persistent state more explicitly. This allowed us to remove the custom test runner for Wasm. We also stopped using "Result" to manage errors in contract APIs.

🏁 New features
Application services can now access the Internet, as showcased by the new LLM Stories example. We also added an experimental support for HTTP queries in contracts, using a new oracle mechanism. Initial support for Ethereum interoperability was added, which will make use of this feature.

🔧New examples
We added instructions to use the AMM application for atomic swaps between two users using a shared chain. We also added an AI demo where the service part of an application can run an LLM model to generate short stories.

🔀 Core Protocol
We made a configurable policy for accepting/rejecting incoming messages. We added the commands linera wallet forget-keys and forget-chain. We made progress in the support of fallback leaders and public chains.

🧪 Ready to test your apps on the new SDK? Instructions to deploy applications on the new corresponding Devnet instance (devnet-2024-05-07) can be found on https://linera.dev

💡 Have questions or feedback? Drop us a reply in the repo, community Telegram chat (t.me/linera_official), or on the forum. We love hearing from our growing developer community and are here to help!
GMicrochains. We’re excited to announce the winners of the Linera Spring 2024 Hackathon! Major shoutout to the hundreds of participants—we had a hard time choosing among the submissions.

🥇 1st Place, Consumer Facing: CheCko - Social content onchain
🥈 2nd Place, Consumer Facing: LinLin - Auction platform
🥇 1st Place, Gaming: Micro Cow - Virtual farming game
🥈 2nd Place, Gaming: Tic Tac Toe - Classic game onchain
🏅 Honorable Mention: Equalizer - Web3 revenue-based financing
🏅 Honorable Mention: Chainseats - Event management onchain

Details in the full thread: https://x.com/linera_io/status/1805616408161853703

Thanks again to all the participants for your creative projects using the devnet. Stay tuned for details on our next hackathon—we can’t wait to see what you submit next as we rapidly build the protocol.
Next Top Blockchain Startup Global Hackathon

🔗 https://topblockchainstartup2024.devpost.com/

⛓️ To enter, create a real-time, secure user experience with Linera’s microchains—a new, user-centric blockspace.

🏅 $3,000 USD for Best Demo for Edge AI
🏅 $3,000 USD for Best UI for DeFi demo app
🏅 $3,000 USD for the Best UI for Onchain Game

Submissions Open: August 5, 2024 1:00 AM PDT to August 17, 2024 10:00 PM PDT

Check out the webinar and find a team to work with in Linera's Discord server.
🦋 Linera x Argument Partnership Announcement

Join us Thursday, August 22, 2024 1:00 PM EDT for an exciting X Space featuring a conversation between Linera's founder, Mathieu Baudet, and Argument Computer Corporation's CEO, John Burnham.

They’ll discuss our groundbreaking partnership—exploring how Linera's microchains and Argument's zero-knowledge technology are setting the stage for the future of real-time, provable onchain applications.

🏅 Attendees will also get the chance to mint a limited-edition POAP live to commemorate the collaboration.

📆 Set a reminder and tune in to the conversation: https://x.com/i/spaces/1BdGYEmlLPBGX

In the meantime, check out our blog for more details: https://linera.io/news/linera-enables-provable-real-time-applications-through-strategic-partnership-with-argument-computer-corporation
💻 Release of the DevNet SDK v0.12

⚙️ Scaling applications using microchains
Applications can now share data across chains in an easier and cheaper way thanks to data blobs. We also improved pub-sub channels with real-time data subscriptions for better scalability.

Speed is the key
We reduced storage loading times and now compress Wasm bytecode for smoother, faster apps. We improved multi-user chains to enable shared, interactive states—perfect for games, auctions, and swaps—unlocking new onchain app possibilities.

🪨 Making applications more reliable
Cross-chain messages sent from a same transaction and to the same receiver are now delivered atomically together, keeping application states more consistent and reliable.

To find out more about this update and see example applications, head to http://forum.linera.io/t/releasing-linera-sdk-v0-12/305

For building and deploying Linera applications, visit our Developer manual at http://linera.dev/
Partnership Announcement: Space and Time (SxT)

Linera is partnering with Space and Time to bring ZK coprocessing to our ecosystem. This enables seamless integration of data from onchain + offchain sources, enhancing scalability & real-time capabilities for devs.

🌐 Integrates real-time, verified data from multiple blockchains
Enables limitless proof-verification operations for advanced use cases

Experience it yourself with the Airdrop Demo proof-of-concept app. This will let users claim tokens by providing ZK-proven evidence of holding specific testnet currencies like ETH at certain times:
https://github.com/linera-io/airdrop-demo

SxT is going to join us for the Community Hour this week, and set a reminder for an in-depth discussion about the partnership next month.

Together with Space and Time, we’re bringing Web2-level scalability to Web3—while maintaining the security and trustlessness that are core to our vision.
🪐 Galxe Quest Launch: Earn Testnet Points

Today we're officially launching The Real-Time Blockchain Testnet Mega Quest on Galxe.

➡️ https://app.galxe.com/quest/Sqoue6fuEP6GPDbChLpYLL/GCyjetoEuB

There are 5 primary quests to complete:
1. Follow Linera
2. Learn about Linera
3. Engage on X
4. Test Your Knowledge - Protocol Quiz
5. Join the Community - Level Up

Then, you have the chance to check-in Daily, Weekly, and Monthly for additional points. More quests will be added in the weeks aheads...

🏆 Rewards: By completing the Quests, you will earn Points. Linera is covering all the Gas Fees up to $10,000 for you to mint your Points for the primary quests. (Gas Fees are not covered for the Check-ins.) These Points have no monetary value and are not a promise of future token rewards.

👑 Level Up: Keep leveling up your Chains! The Galxe Quest is in additional to Discord XP, not instead of.
🚀 Linera Community Updates & Highlights

Welcome everyone!
🪐 So many new people have joined this community since the launch of the Galxe Mega-Quest! We are glad that you're here and hope to keep this community safe, well informed, and a fun place to be. Thank you to all the Mods for managing this incredible influx of new members!

https://app.galxe.com/quest/Sqoue6fuEP6GPDbChLpYLL/GCyjetoEuB

Community Hour: Thursday, 12pm EST
⛓️ Don't miss the Linera Community Hour this Thursday! Earn a POAP for attending and a chance at $100 USDC. Join us on YouTube where you can leave comments that might be featured in the livestream.

https://youtube.com/@linera_io

New Developer Role and Process
💻 After the Discord Dev-Chat channel got overrun with spam, we are reintroducing the process to get the Developer role. Please go to our Guild to complete the requirements to get the role.

https://guild.xyz/linera

Meme Challenge
👻 Get creative with the Linera vs. the Critics Meme Challenge. Finalists earn 100 XP and winners earn 500 XP.

Game Tournaments
🎮 As always, we're hosting two Game Tournaments this week for you to earn XP and level up your chains. Check the Pinned Messages for details.

New Regional Channels in Discord
🌎 We have added two new regional channels in Discord: Brasil and Turkey.
🚀 Linera Community Updates & Highlights

New Galxe Quest
🪐 Every week or two we are going to add a new Quest to the Galxe Mega-Quest. Learn about Linera's partnerships with Space and Time and then complete the 5 question quiz for 250 points. Also, keep doing those daily/weekly/monthly check-ins!

https://app.galxe.com/quest/Sqoue6fuEP6GPDbChLpYLL/GCyjetoEuB

Community Hour: Thursday, 12pm EST
⛓️ Don't miss the Linera Community Hour this Thursday! Earn a POAP for attending and a chance at $100 USDC. Join us on YouTube where you can leave comments that might be featured in the livestream.

https://youtube.com/@linera_io

Meme Challenge
🎬 Get creative with Linera in the Movies Meme Challenge! Finalists earn 100 XP and winners earn 500 XP on Discord.

Game Tournaments
🎮 As always, we're hosting two Game Tournaments this week for you to earn XP and level up your chains. Check the Events in Discord for details.

New Regional Channel on Discord
🇮🇳 Check out the new India regional channel!
🚀 Linera Community Updates & Highlights

Ecosystem Announcement: DeCharge
⚡️ Check out the blog post about how Linera is helping DeCharge to decentralize the future of EV charging infrastructure.

https://linera.io/news/linera-x-decharge

New Galxe Quest: Community Hour
🪐 There is still time to do this week's Galxe Quest: Community Hour for 250 points. Also, keep doing those daily/weekly/monthly check-ins!

https://app.galxe.com/quest/Linera/GCPaQtpXXS

Community Hour: Thurs, 12pm EST -- No POAP
⛓️ Don't miss the Linera Community Hour this Thursday! We will not distribute a POAP this week, as many people were unable to join the allowlist previously. Join us on YouTube where you can leave comments that might be featured in the livestream.

https://youtube.com/@linera_io

Community on X
🌎Join The Lineran Collective on X, our new official X community.

https://x.com/i/communities/1886867880983384531
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🚀 Linera Community Updates & Highlights

Galxe Quest: Game Night
🪐 There is still time to do this week's Galxe Quest: Games on Microchains for 250 Galxe points. Also, keep doing those daily/weekly/monthly check-ins!

https://app.galxe.com/quest/Linera/GCpTstpGFy

Community Hour: Thurs 12pm EST -- No POAP
⛓️ Don't miss the Linera Community Hour this Thursday! Join us on YouTube where you can leave comments that might be featured in the livestream.

https://youtube.com/@linera_io

RekTech Game Tournament
🎮 Join the RekTech Game Tournament for a chance to earn Discord XP and other prizes. Each day is a new game. 2 days left.

https://rektech.com/x/linera
🚀 Linera Community Updates & Highlights

Ecosystem Announcement: Atoma Network
🤖 Check out the blog post about how Linera and the Atoma Network are advancing decentralized AI. Then, set a reminder to join us for the X Spaces on Monday, Feb 24, 11am EST.

Blog: https://linera.io/news/linera-x-atoma
X Spaces: https://x.com/linera_io/status/1893005085124501528

New Galxe Quest: Atoma x Linera
🪐 After reading the blog, do the Galxe Quest: Atoma x Linera for 250 Galxe points. Also, keep doing those daily/weekly/monthly check-ins!

https://app.galxe.com/quest/Linera/GCHZ3tp65T

ETH Denver: Multichain Day
🏔️ Join us at ETHDenver 2025 for Multichain Day as we explore cross-chain expansion and interoperability, with a full day of keynotes, panels, co-working, networking and a happy hour.

RSVP: https://lu.ma/multichaindayethdenver

Community Hour: Thurs, Feb 27, 12pm EST -- No POAP
⛓️ Don't miss a special Linera Community Hour, hosted by Josiah and Myz Julz! Join us on YouTube where you can leave comments that might be featured in the livestream.

https://youtube.com/@linera_io

Meme Challenge
👻 Get creative with "No Xps, No problems - Meme Challenge". Winners earn 5000 XP.

RekTech Game Tournament
🎮 Join the RekTech Game Tournament for a chance to earn XP. Each day is a new game. See Discord Event for details.
🦭 Partnership Announcement: Sui's Walrus Protocol

We're integrating Walrus Protocol as our storage layer—bringing scalable, real-time onchain data storage to microchains.

Linera’s microchain architecture enables decentralized applications to scale horizontally with high performance. By integrating Walrus’ onchain storage, devs can now store and verify large datasets seamlessly, ensuring ultra-responsive Web3 apps with built-in data integrity. :seal:

🛠️ How does it work?

Walrus uses Linera as a verification layer for large unstructured data (blobs), ensuring fast and secure processing. Meanwhile, Linera apps can leverage Walrus as a decentralized storage layer.

This unlocks new dev possibilities for:

🎮 Real-time gaming
🤖 AI-powered dApps
💸 Multi-chain DeFi
🗣️ Social platforms
📡 Secure oracles

via apps that:

Instantly process transactions
📊 Store massive datasets efficiently
🔎 Maintain high security & transparency

With this partnership, Linera & Walrus are further pushing the boundaries of decentralized infra.

https://linera.io/news/linera-x-walrus
🚀 Linera Community Updates & Highlights

Linera Microbot Mascot Art Challenge!
🎨 Linera is powered by Microchains, and now we need a Microbot to represent them! Create a mascot for these tiny, playful, and hardworking Microbots -- and post your creation in the art channel on Discord. (We're exploring a few mascot ideas; this is just the first.)

https://discord.com/channels/984941796272521226/1270082714027954177/1350187713780908214

Community Hour: Thurs, March 20, 12pm EDT -- No POAP
⛓️ Don't miss the Linera Community Hour! Join us on X or YouTube. Your comments might be featured in the livestream!

https://youtube.com/@linera_io

Meme Challenge
👻 Get creative with Real-Time AI, Onchain Vibes Only🔥 Meme Challenge. Winners earn 5000 XP.

https://discord.com/channels/984941796272521226/1350108824752885870

RekTech Game Tournament
🎮 Join the RekTech Game Tournament for a chance to earn XP. Started today and each day is a new game for 3 days.

https://rektech.com/x/linera

Developer Workshop: Tues, March 25th, 12pm EDT
💻 Join us for the first weekly (?) Developer Workshop. Learn how to build apps on Microchains directly from Linera engineers. Bring your questions.

https://discord.gg/tERh5xK3Rw?event=1350179574348120074
🚀 Linera Community Updates & Highlights

Developer Workshop, Tuesday 12pm EDT
https://x.com/linera_io/status/1902841918331224554

Games on Microchains Builder Challenge
https://discord.com/channels/984941796272521226/1353773061521932429/1353773061521932429

New Galxe Quest: Linera x Atoma
https://app.galxe.com/quest/Linera/GCYmQt1Jao

RekTech Game Tournament
https://rektech.com/x/linera

Linera Hive Mascot Art Challenge! 🐝
https://discord.com/channels/984941796272521226/1352408652983701605/1352408652983701605

Meme Challenge: Deploying on Linera: No Stress, No Tears
https://discord.com/channels/984941796272521226/1352758726007717929/1352758726007717929

Community Hour: Thursday, March 27, 12pm ET
https://youtube.com/@linera_io
🚀 Linera Community Updates & Highlights

Developer Workshop, Tues 11am ET
Founder Mathieu Baudet will share his vision for DeFi on Linera.
https://youtube.com/@linera_io

Community Hour, Thurs 12pm ET
Get all the updates and see the community's best content of the week.
https://youtube.com/@linera_io

Builder Challenge: Deadline May 30th
Build a game on Linera’s testnet! Earn Builder role & 50,000 XP.

New Drops Challenge
Retweet & complete the Learn & Earn Starter Pack
https://drops.linera.io

ICYMI
- Article: [How Linera is Building upon the FastPay Vision to Enable the Future of Blockchain Scaling
https://x.com/getbeluga/status/1919890815767478467
- Spaces: Web3 Consumer Applications and Infrastructure w/ @dannygreene123
https://x.com/i/spaces/1BdxYqPryPzxX
🚀 Linera Community Updates & Highlights

New Drops Challenge
💧 Tweet a slow transaction story
https://drops.linera.io

Developer Workshop
💻 From FastPay to Microchains
https://www.youtube.com/watch?v=MUtT65LiV3U

Bitcoin Pizza Day: May 22nd
🍕 Join the 5th Annual Global Pizza Party by PizzaDAO. Linera is co-sponsoring events in Ukraine, Slovakia, and possibly India.
https://globalpizza.party

Community Hour, Thurs 12pm ET
⛓️ Get all the updates and see the community's best content of the week.
https://youtube.com/@linera_io

Builder Challenge: Deadline May 30th
🎮 Build a game on Linera’s testnet! Earn Builder role & 50,000 XP.

ICYMI
🎧 X Spaces interview with Linera Founder Mathieu on BSCNews
https://x.com/i/spaces/1ynJOljArnnxR
🚀 Linera Community Updates & Highlights

New Drops Challenge
💧 What's your crypto origin story?
https://drops.linera.io

Developer Workshop
💻 Games on Microchains
https://www.youtube.com/watch?v=7_LnTgWn5ZA

Community Hour, Thurs 12pm ET
⛓️ Get all the updates and see the community's best content of the week.
https://youtube.com/@linera_io

Games on Microchains Challenge Winners
🎮 Congrats to the 5 winners!
https://x.com/linera_io/status/1929993158705983672