Arcium Launches Mainnet Alpha, Ushering in the Era of Encrypted Capital Markets on Solana

Arcium, the encrypted supercomputer, today announced its Mainnet Alpha launch. This milestone marks the transition of the network from a testing environment to a live, production-ready infrastructure to support the largest suite of encrypted applications on Solana. Launching alongside the network is Umbra, the first application to go live on Mainnet Alpha.

The transparent nature of blockchains presents a critical bottleneck for mass adoption. In the age of AI, this default visibility risks turning networks into surveillance systems, yet the impact is even more acute for financial markets. For institutions, total transparency exposes a variety of sensitive information to the entire network, creating security vulnerabilities and competitive disadvantages that have long prevented significant capital from moving on-chain.

Arcium is a decentralized network for trustless computations over fully encrypted data. By utilizing Arcium’s encrypted execution engine, developers can now build systems that were previously impractical on transparent infrastructure, spanning from confidential DeFi to privacy-preserving AI. This infrastructure enables “Encrypted Capital Markets,” where all of crypto’s core use cases from trading, lending, issuance, and more—are powered and executed with cryptographic privacy, while remaining verifiable, composable, and enforceable on public blockchains.

“Arcium ensures that privacy is no longer a niche feature but a broad design primitive,” said Yannik Schrade, CEO of Arcium, “We are moving beyond the concept of privacy as merely ‘hiding’ data. Instead, we are introducing a general-purpose encrypted supercomputer that opens an entirely new design space for the internet, starting with Encrypted Capital Markets on Solana.”

The launch of Mainnet Alpha marks a significant milestone as Umbra becomes the first application to deploy on the network, leveraging Arcium to create a shielded financial layer for Solana, to enable shielded transfers, encrypted swaps, and more. Following its record-breaking $155M ICO on MetaDAO, Umbra is launching its “Private Mainnet” today. Access will roll out gradually to ensure network stability, onboarding 100 users per week under a $500 deposit limit. This phased approach allows the team to validate the system at scale before lifting access restrictions and deposit limits for the broader public in February. It is the first of many applications in the pipeline; developer activity has grown exponentially since the testnet launch in May 2025. Projects such as Melee, Vanish, and Anonmesh are actively building deep integrations, while Confidential SPL (C-SPL) is nearing completion to enable confidential tokens directly on Solana.

The roadmap to Full Mainnet includes the introduction of staking, slashing mechanisms tied to key recovery, and a decentralized lightweight node role to expand operator participation.

Kru Shah, Co-founder of Umbra, added, “Finance is deeply personal, yet on-chain, it’s always been public by default. By launching on Arcium Mainnet Alpha, we’re finally giving users an ‘incognito mode’ that actually works. It’s not just about privacy; it’s about giving people the confidence to move their assets without feeling like the whole world is watching over their shoulder. This is a massive win for user sovereignty on Solana.”

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