Colosseum Codex: Agave 2.2, ZK ElGamal Bug, Jupiter Ultra v2

As part of the Breakout Hackathon livestream workshops, Colosseum co-founders Nate Levine, Matty Taylor, and Clay Robbins hosted an in-depth session to give teams guidance on how to submit their projects for the best chance of success.

👉 Read the full recap here: Perfecting Your Hackathon Submission

Now here's a roundup of the latest news and tools for Solana developers...

🌵 Agave 2.2

Agave 2.2 is a significant update to the Solana validator client that focuses on increasing throughput, simplifying developer workflows, and improving validator efficiency. 

Key Features include: 

• Increased block limits to 60M CUs: This raises the compute capacity per block by 20%, allowing more transactions to be processed and reducing congestion and fees.
• Accounts Lattice Hash (ALH): Replaces Merkle-based account hashing with a more scalable method to support billions of accounts and improving validator performance.
• Native secp256r1 signature verification: Enables secure, passwordless authentication methods like Passkeys and WebAuth on-chain.
• Support for SBPF v1, v2, and v3: Introduces a formal versioning system for Solana’s virtual machine, making it easier to upgrade programs over time.
• Lift CPI caller restriction: Removes the need to pass programs as instruction accounts during cross-program invocations to simplify transaction construction and reduce CUs.
• Loader-v4: A more flexible program deployment system with features like maintenance mode, partial redeployments, and seamless migration from Loader-v3.

This update reflects Solana’s strategy of evolving its architecture to meet rising demand without compromising performance or security.

Agave v2.2 Update: All You Need to Know

🐛 ZK ElGamal Proof Program Bug

Solana quietly addressed a critical vulnerability in its confidential tokens feature, which could have allowed an attacker to mint unlimited tokens due to a flaw in the ZK ElGamal Proof implementation.

The Solana Foundation later confirmed the issue and emphasized that no user funds were compromised. 

Similar to a vulnerability in August, 2024, Solana leadership coordinated a private software upgrade with validators, using cryptographic hashes shared on X as a form of authentication. 

This confidential approach was intended to prevent exploitation of the flaw before it could be resolved. However, the swift coordination again sparked debate about Solana’s decentralization. 

Critics argued that non-public coordination indicates centralization, while defenders maintained that discretion was essential to safeguard the network. The episode underscores the tension between transparency and security in decentralized systems.

Post Mortem: ZK ElGamal Proof Program Bug

💱 Jupiter Ultra v2

Jupiter Exchange launched Ultra v2, which introduces several key features to enhance trading on Solana: 

• RTSE v2 and Dynamic Execution optimize trade execution by intelligently setting priority fees and leveraging a multi-million-dollar RPC network 
• MEV Protect offers protection against MEV) attacks, achieving the lowest MEV rate among trading platforms by mitigating sandwich attacks. 
• JupShield, developed with partners like Blockaid and Rugcheckxyz, flags scam tokens using indicators like rugpull history and liquidity. 
• Gasless Support enables swaps without requiring SOL in the wallet by covering fees with the swapped token.

Ultra v2 provides significant advantages for Solana developers building DeFi applications. Developers can integrate Ultra v2's routing and execution capabilities via the Ultra API or Jupiter Terminal (coming soon). 

The 24/7 Priority Support ensures that developers integrating Ultra v2 can quickly resolve issues related to trades or swaps. Developers can rely on Jupiter’s support team to handle complex issues, allowing them to focus on building features rather than troubleshooting.

Developers can use these new features to create dApps that leverage Solana’s core strengths of low fees, high throughput, and capital efficiency.

Introducing Ultra v2

⭐ Highlights of the Week

Side Events at Solana Accelerate NYC
Solana Accelerate features a wide range of side events designed to engage different segments of the crypto and blockchain community. The schedule features technical gatherings such as DeFi summits and builder-centric meetups, alongside community-oriented activities, including informal events like a dog playdate.

Solana Mobile Developer Resources
This thread is a comprehensive list of tools for building mobile crypto apps for the Solana dApp Store, featuring Solana Mobile SDKs, Mobile Wallet Adapter (MWA), the Seed Vault Wallet on Seeker devices ,guides for development on any Android device or emulator, and submitting apps via the dApp Store Publishing CLI.

⚡ Quick Hits

Key Announcements from Solana Crossroads 2025 - SolanaFloor

Monitor Solana Programs with Yellowstone gRPC Geyser Plugin - QuickNode

Sig Engineering: AccountsDB & Gossip Memory Optimizations - Syndica

How to Add Real-Time Push Notifications to Your Solana App Using Dialect [video] - @saydialect

Superstate unveils ‘Opening Bell’ to bring SEC-registered equities onchain, starting with Solana - The Block

Future MEV of Solana - tullu

GLAM Vaults: Programmable Containers for Internet Capital Markets - GLAM

Solana Changelog - Surfpool with @micaiah_txtx [video] - Jacob Creech

⚙️ Tools & Resources

Surfpool Cloud is txtx's new hosted service that allows development teams to share a consistent Solana development environment with a shared RPC URL that team members can all connect to, the ability to configure a common environment with pre-deployed programs and accounts, and forking capabilities from mainnet without needing to download state locally

Relay API is an open-source API that provides fast access to Helium Oracle data via GraphQL and REST endpoints, replacing the complexity of parsing large AWS S3 files.

Dialect MCPs is a collection of MCP servers for various Dialect Solana Blinks.

Solana IDL Extractor is a tool to extract (IDL) from Solana programs through bytecode analysis and instruction parsing with that works with both Anchor and native programs elf analysis, tx simulation, and ix parsing

💀 RIP

dReaderApp, a digital comic platform on Solana, is shutting down, but promises that "something new & exciting is cooking".

👩‍🔧 Get Hired

• Range is hiring a Solana Rust Engineer to build Solana programs and analysis infrastructure for security applications.
• Light Protocol is hiring a Senior Software Engineer to improve and scale open-source developer tooling.
• Aurory is hiring a Typescript Backend Software Engineer to design, develop, and deploy scalable microservices to support the Aurory ecosystem.

🎧 Listen to This

When Shift Happens

This episode features Anatoly Yakovenko, co-founder of Solana, recounting his personal and professional journey, from his early life as a Soviet immigrant to becoming a key figure in the blockchain space.

He shares how a pivotal decision, encouraged by his wife, led him to leave a secure job to launch Solana with only six months of runway.

The conversation covers Solana’s resilience through major challenges, why mobile represents the next frontier for blockchain adoption, and how Ethereum founder Vitalik Buterin's support helped during their darkest days.

How Solana Mobile is Building the Future of Crypto - Anatoly Yakovenko

Bonus Episodes

Solana's DeFi Super App: The Jupiter End Game | Kash Dhanda - Lightspeed

Kash Dhanda to discuss the end game for Jupiter. We deep dive into building crypto's DeFi super-app, Jupiter's revenue breakdown, Solana vs app revenue, what's next for Jupiter

Inside Solana's Breakout Hackathon Powered by Colosseum | Interview with Co-Founder Matty Tay - Superteam UK

In this episode, Matty Tay, co-founder of Colosseum, shares insights into the evolution of the global Solana hackathon, what participants can expect from the Breakout Hackathon, the founding story of Colosseum, the concept of the Eternal perpetual hackathon format, and advice for crafting a successful submission.

DevNTell - Shaga, The World's First Twitch L2 - Developer DAO

Daeshawn Ballard, cofounder of Shaga, gives an overview of the platform and how Shaga is rethinking cloud gaming from the ground up by unlocking new ways to earn & create viral content for streamers through their global P2P DePIN supercomputer powered by gamers.

How Blockchain is Revolutionizing Wine & Whiskey Collecting | Todd Wiesel, CEO of Baxus - The Business of Blockchain

In this episode Nisa Amoils speaks with Tzvi (Todd) Wiesel, Founder and CEO of BAXUS, to explore how blockchain is revolutionizing the $2 trillion wine and spirits industry.

Follow @mikehale on X or Warpcast!

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