Umbra (UMBRA) has opened its privacy-preserving wallet to the public, introducing private transfers, encrypted swaps, and compliance tooling for users on Solana.
The wallet is built using Arcium’s encrypted execution engine, which enables computation over fully encrypted data, allowing transactions and operations to remain confidential while still being processed onchain.
The launch expands access beyond Umbra’s earlier phased private mainnet rollout following Arcium’s Mainnet Alpha debut in February, when the protocol first introduced a shielded financial layer for Solana with limited onboarding. In a statement shared with The Block on Friday, Umbra said the private wallet is designed for everyday use on the network, targeting traders, businesses, and institutions seeking to avoid exposing sensitive financial activity.
The move aims to help address a longstanding limitation of public blockchains, where transaction data is typically visible by default. Existing privacy approaches have relied on obfuscation or intermediaries, or zero-knowledge systems that are not always suited to multi-party transactions, Umbra said. Arcium’s infrastructure instead uses trustless encrypted execution, meaning no single party can access underlying data at any stage of computation, the team added.
Building encrypted finance on Solana
At launch, Umbra said the wallet allows users to send assets with the sender, recipient, and amount fully shielded, and to execute token swaps without revealing trade size or intent. The wallet also integrates a compliance stack, including viewing keys, risk screening, and geo-blocking, aiming to balance privacy with regulatory requirements.
Alongside the wallet, Umbra released its SDK, a zero-knowledge-based anonymity stack that extends Arcium’s broader privacy infrastructure to developers building applications on Solana. The team said several projects and integrations are expected to be announced in the coming weeks.
“Finance is deeply personal, yet onchain it has always been public by default,” Umbra co-founder “Kru” said. “Every move you make is public, permanent, and traceable by anyone. Every tool that came before offered a workaround, not a solution. Umbra is the first system to change that — making privacy persistent, expressive, and usable by default.”
The public launch follows strong early demand for privacy-focused infrastructure. Umbra secured more than $150 million in commitments from over 10,000 participants via MetaDAO in October 2025, one of the largest raises on the platform.
“We are living through a defining moment for privacy,” Arcium CEO Yannik Schrade said. “The conversation has never been louder, and the technology is finally ready. Umbra is the initial proof of what becomes possible when you build financial infrastructure powered by encrypted compute.”
© 2026 The Block. All Rights Reserved. This article is provided for informational purposes only. It is not offered or intended to be used as legal, tax, investment, financial, or other advice.
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