Named after Claude Shannon, the father of information theory, this testnet provides a real-world environment.
This new testnet from Somnia lets developers and users push blockchain scalability to new heights.
Shannon Testnet: Pushing Speed, Stability, and Decentralization Further
Following Somnia’s DevNet performance—1 million+ transactions per second (TPS), sub-second finality, and ultra-low fees—Shannon Testnet aims to take things even further. During DevNet testing, Somnia handled over 3.6 million transactions across 300,000+ unique addresses, proving its ability to support real-world demand.
The testnet will stress-test congestion resistance while offering developers the tools to build at an unprecedented scale. Here are the Key Features of Shannon Testnet
- Greater Decentralization – Multiple third-party validators are now live, with staking protocols enhancing security.
- Increased Stability – No more state wipes, allowing developers to build confidently without replaying the state.
- Developer-Ready Infrastructure – Everything needed to build and test blockchain applications is fully in place.
- Growing Ecosystem – More projects will be onboarded to drive real adoption and activity.
The time is NOW! Somnia’s Testnet: Shannon is LIVE. 
https://t.co/8xNRJIm1kB
Built to handle MILLIONS of users: fast, stable, and ready for real-world apps at scale. We’re aiming to have at least 1 MILLION users test it out!
All essential dev tools integrated
Live… pic.twitter.com/qaw3beo6i3
— Somnia – a Fully Onchain World (@Somnia_Network) February 21, 2025
Cutting-Edge Tech Powering Somnia
Shannon Testnet is built on groundbreaking innovations designed for maximum speed, efficiency, and decentralization:
- MultiStream Consensus – Enables parallel transaction execution without network slowdowns, keeping things lightning fast.
- Accelerated Sequential Execution – Optimizes EVM bytecode for peak single-core performance.
- IceDB (Deterministic Database) – Achieves nanosecond-level read/write speeds for ultra-fast transactions.
- Advanced Compression Techniques – Reduces bandwidth needs, enabling millions of TPS.
These innovations make Shannon Testnet the most advanced blockchain testing environment available, paving the way for mass adoption.
Proof is in the latency! 
When it comes to DEX performance, every millisecond counts, and Somnia is proving its the fastest in the game. Running Uniswap v3 swaps , we achieved:
Mean Latency: 747ms
P50: 743ms | P95: 1580ms | P99: 1900ms
That’s right, under 1 second for… pic.twitter.com/OoNGqfH1mU
— Somnia – a Fully Onchain World (@Somnia_Network) February 20, 2025
Unlocking Game-Changing Use Cases
With its unmatched speed and affordability, Somnia is opening the door to entirely new blockchain applications:
- Reactive Applications – Smart contracts that instantly react to on-chain events, ideal for real-time gaming and automated financial services.
- Fully On-Chain Gaming – Games with instant transactions and decentralized economies, eliminating the need for centralized servers.
- Scalable DeFi Protocols – High-frequency trading, instant swaps, and financial infrastructure without congestion.
- Social Platforms & Metaverses – Digital worlds and social networks that scale seamlessly for millions of users.
Somnia’s ecosystem will benefit from $270M in cumulative funding, driving innovation in fully on-chain applications! https://t.co/cYQp4NDxDr
Proudly supported by: @Improbableio, @MSquared_io and their investors @a16zcrypto, @SoftBank, @mirana, @DCGco, @CMT_Digital,… pic.twitter.com/GU4HccH3tS
— Somnia – a Fully Onchain World (@Somnia_Network) February 18, 2025
“Shannon Testnet is the proving ground for a fully on-chain future,” said Somnia founder Paul Thomas. “With 1M+ TPS, sub-second finality, and MultiStream Consensus, developers can build without limits, and users can experience blockchain at true internet scale.”
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