- Privacy Boost enables private transactions with proof generation times of less than 500 milliseconds and throughput of more than 1,800 transactions per second.
- As part of the collaboration, Privacy Boost will implement its whole protocol stack on Soneium, including TEE infrastructure and smart contracts.
Today, Startale Group announced a collaboration with Sunnyside Labs, designating Privacy Boost as the Startale App’s official privacy partner. Privacy Boost will offer self-custodial, onchain privacy features inside a consumer cryptocurrency ecosystem by integrating directly into the Startale App and deploying natively on Soneium.
As a key consumer gateway to Soneium, the blockchain created by Sony Block Solutions Labs, the integration represents a significant advancement in the development of the Startale App. Additionally, it is the first time Privacy Boost has been included into a consumer-facing application.
With features like asset management, payments, Mini Apps, and ecosystem benefits, the Startale App is intended to make the onchain economy accessible to everyday people. The alliance seeks to address the visibility of onchain transactions, where counterparties, transfer amounts, and balances are by default publicly visible, as usage increases.
With a hybrid architecture that combines trusted execution environments with zero-knowledge proofs, Privacy Boost enables private transactions with proof generation times of less than 500 milliseconds and throughput of more than 1,800 transactions per second. The solution supports selectable auditability for compliance needs while preserving user self-custody.
“Not every transaction needs to be private, but every user should have the choice,” said Sota Watanabe, CEO of Startale Group. “With Privacy Boost integrated into the Startale App, privacy becomes something users can enable when it matters. It puts control in their hands to decide when and how they protect their onchain activity. That is what a true SuperApp should deliver.”
As part of the collaboration, Privacy Boost will implement its whole protocol stack on Soneium, including TEE infrastructure and smart contracts, enabling private transfers as a built-in feature for network developers.
In order to allow features like protecting assets in private pools, private transfers that hide balances and counterparties, and privacy-preserving payment flows intended for future crypto card capabilities, Privacy Boost will be incorporated into the Startale App via SDK.
“Startale is serious about bringing privacy to consumer crypto, from everyday payments and card spending to mini apps,” said Taem Park, Co-Founder and CEO of Sunnyside Labs. “These are exactly the use cases Privacy Boost was built for, high-performance privacy at consumer scale, with an SDK designed for native application and mini app integration alike.”
Encouraging a more comprehensive strategy to include privacy into all user interactions, the integration is built to grow with the Startale App as it incorporates more payment processes, Mini Apps, and ecosystem integrations.
Startale Group is a global cryptocurrency infrastructure firm whose goal is to put the globe on-chain and create the next civilization. Through Sony Block Solutions Labs, a joint venture with Sony Group Corporation, the firm co-develops Soneium and runs Astar Network, the biggest public blockchain in Japan. Additionally, Startale creates developer and consumer solutions, such as the Startale App, an all-in-one entry point to the Soneium ecosystem.
Building privacy-first infrastructure for public blockchains, Sunnyside Labs is a key contributor to Ethereum and the OP Stack. Their flagship product, Privacy Boost, combines TEEs with ZK proofs to provide enterprise-grade, self-custodial onchain privacy for compliant, high-performance private transactions.
