Announcing Private Testnet Cohort 2 for Solana Builders
We are excited to announce Cohort 2, inviting Solana builders and teams to join our Private Testnet and begin building privacy-preserving applications on Solana. Apply below!
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We are excited to announce Cohort 2, inviting Solana builders and teams to join our Private Testnet and begin building privacy-preserving applications on Solana. Apply below!

Opening Cohort 2: Solana Builders

We are thrilled to announce that we’re opening applications for Cohort 2: Solana Builders, the next phase of our private testnet. This marks an exciting milestone as we double down on Solana, inviting developers to explore, test, and build with Arcium’s confidential computing technology. Apply now!

Why Solana?

We believe Solana is positioned as the chain to catalyze mainstream adoption. We also believe that mainstream adoption won’t happen without access to privacy-enhancing technology. This has remained our thesis for the past 3 years and is why we are excited to finally put the power of private, performant and trustless computation in the hands of Solana developers.

For the first time, Solana developers can compute directly over encrypted data, bringing a novel set of tools that will unlock a new wave of applications that blend performance and privacy across DeFi, AI, DePIN, gaming and more! Some use cases we are particular excited about

  • Private AI: Arcium enables both efficient encrypted model training and trustless inference.
  • Private DeFi: From dark pools to DeFAI, Arcium can secure and propel core crypto uses cases.
  • Private DeSci: Scientific data across several sectors can be computed and shared collaboratively without exposing sensitive information.
  • Gaming, DAOs, and Hidden Information: Arcium powers hidden-information games (poker, secret roles), private DAO voting, and private prediction markets.

Integrating privacy is now as simple as marking functions confidential with a single line of code without the need for deep cryptographic expertise. Check out our docs here.

How to Apply

We’re accepting applications via our website, and access will be granted on a rolling basis for the next two weeks. If you’re a Solana builder eager to explore integrate or build with privacy features, now’s the time to get involved.

  1. Fill out the application form
  2. Join our Discord
  3. Check your email for confirmation

Selected participants will receive early access via our Discord, direct developer support, and a first-mover advantage in integrating confidential computing into Solana applications. 

What’s Next?

This is the final phase before our public testnet. If you want to be at the forefront of privacy-first innovation on Solana and build something that has never been done before, this is your chance.Apply now and help us push the boundaries of what’s possible on-chain. We can’t wait to build with you!

The umbrella stays open ☂️