- Revolutionary blockchain platform invites community to stress-test its smart contract features using familiar EVM tools and frameworks
- With Unstablenet, Shardeum becomes the first EVM-based sharded blockchain to offer a smart contract testnet to the community.
Shardeum, an autoscaling EVM-based Layer-1 blockchain, has announced the launch of Unstablenet, its smart contract-enabled testnet, thereby becoming the first sharded blockchain to provide native EVM support. The network goes live on July 24, 2025, offering developers early access to advanced features and an open environment to experiment, build, and contribute to the future of scalable, decentralized technology.
Unstablenet is intentionally designed as an experimental testnet where developers can push the system to its limits. This testnet will see frequent changes and downtimes, with data resets, allowing Shardeum’s engineering team to gather valuable insights as they prepare features for the smart contract deployment on mainnet. Developers are invited to test high-performance applications such as trading protocols and gaming platforms, using familiar Ethereum tools and frameworks.
The EVM-based network launches with support for smart contracts written in Solidity. Transactions on the network incur gas fees of less than 1 cent for basic transfers. The network operates on Chain ID 8080.
Shardeum is providing developer documentation with immediate access to a suite of resources (https://docs.shardeum.org/docs/developer) to begin building and testing on Unstablenet. These include:
- A network explorer (https://explorer-unstable.shardeum.org )
- RPC endpoint (https://api-unstable.shardeum.org)
- Faucet (https://discord.com/channels/933959587462254612/1397829962496479303)
- A dedicated playground for dApps (https://dapps-playground-unstablenet.shardeum.org )
The aforementioned developer documentation will be maintained and updated over time to incorporate evolving features and valuable community input.
Srini Parthasarathy, Chief Technology Officer, Shardeum said, “With Unstablenet, Shardeum is extending an open invitation to developers around the world to build, test, and preview the future of decentralized applications before these technologies reach the mainnet. This early access isn’t just about testing code; it’s about helping shape the core infrastructure of a next-generation smart contract platform. By actively participating, developers gain a unique opportunity to influence the platform’s evolution and build confidence within the broader community. In turn, this transparency and shared ownership foster deeper trust, setting the foundation for a truly community-driven ecosystem.”
Shardeum also plans to launch a bug bounty program and other incentives to reward developers and users to uncover issues or offer valuable feedback in the future. Early participants can position themselves at the forefront of Shardeum’s innovation pipeline, gaining access to cutting edge tools and its massive community
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