OP Labs debuts Privacy Boost on OP Mainnet for enterprises

OP Labs introduced Privacy Boost on the OP Mainnet layer-2 network on Tuesday. The product is available as a software development kit and an API for enterprises to build privacy-preserving, auditable applications on the network.

Privacy Boost uses zero-knowledge proofs to verify transactions without revealing amounts, counterparties or balances. Trusted Execution Environments (TEEs), a form of secure hardware enclave, handle private processing and can generate audit trails and enforce Know Your Customer (KYC) checks that institutions require. The design allows users to keep custody of their funds while providing verifiable evidence of compliance.

The company said the feature lets protocols conceal transaction details from public view while still permitting regulatory checks. OP Labs plans to expand Privacy Boost to additional blockchains in the coming weeks. OP Mainnet already hosts decentralized finance applications such as Aave.

Karl Floersch, co-founder and CTO, described conversations with potential enterprise partners that stalled because of public transaction visibility, recalling one payments provider whose public-chain architecture collapsed under compliance requirements. OP Labs reported that internal research rated privacy above fees and throughput as a priority for many blockchain projects.

Other networks that limit transaction visibility to relevant parties have attracted interest from traditional firms. The Canton network, which restricts visibility, recently added Visa as a validator. Teams building other layer-2 networks have explored comparable private-transaction features, including proposals for private Bitcoin transactions.

OP Labs characterized Privacy Boost as a plug-in privacy layer any protocol can adopt. The company noted the feature represents several years of engineering work and encouraged enterprises to build use cases on top of the offering.

The announcement follows operational changes at OP Labs. Last month the firm reduced its headcount by roughly 20 employees to narrow its focus. The OP Mainnet token has fallen about 83% over the past year to near $0.12. OP Labs has not provided specific timelines for rollouts to each additional network.