Solana’s privacy-focused protocol, Umbra, has teamed up with Streamflow to introduce a new confidential vesting solution aimed at the $97 billion token unlock sector. This partnership addresses the issue of public vesting schedules, which allow traders to front-run insider token allocations by monitoring on-chain data.
By leveraging Arcium’s encrypted execution framework, Umbra ensures that vesting details—including schedules, amounts, and recipient addresses—remain hidden from public view. This prevents market participants from gaining an unfair advantage by predicting supply increases. The solution seamlessly integrates with Streamflow’s existing token distribution platform, which is widely used across the Solana ecosystem.
The move comes as Umbra continues to expand its privacy infrastructure. In October 2025, the protocol raised $154.9 million in USDC commitments via MetaDAO’s ICO, attracting over 10,500 participants. Following the launch of its public privacy wallet in March 2026, confidential vesting represents Umbra’s first institutional-grade product beyond individual transaction privacy.
Yannik Schrade, CEO of Arcium, previously highlighted that Umbra demonstrates the potential of encrypted compute in financial infrastructure. The $97 billion figure encompasses scheduled token unlocks across major blockchains through 2027, with Solana representing a significant share due to its high volume of recently launched protocols with extended vesting periods.
As institutional interest in privacy-preserving blockchain tools grows, Umbra’s confidential vesting addresses the need for compliance and security alongside privacy, ensuring it meets the requirements of large-scale capital allocation.