Connect private or restricted data to any blockchain with Verity.

What Verity Does:

• Proves your data comes from trusted APIs.
• Combines your private data with trusted sources.
• Ensures data is processed accurately.

Why Verity?

• Built for businesses — no user-facing interfaces, just APIs.
• Fast, scalable zkProofs that work on any blockchain.
• Keeps your data private while proving it’s correct.

Developer-Friendly:

• Programmable in Rust with helpful libraries.
• Backed by Usher Labs’ expert support.

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Verity makes data verification simple, private, and blockchain-ready.

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Simply put, Verity is a zkRollup for TLS attestations and private data, providing a powerful solution for verifying data with privacy and security.

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But, what is zkTLS?

It’s a cryptographic method that proves data authenticity from a TLS-enabled source, such as an API. This proof ensures the data is tamper-resistant and accurately represents the source.

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Why?

Trust management is a core part of Web3. Blockchains decentralise trust in programs (Smart Contracts), and Oracle networks decentralise trust in data sourcing.

However, when data is private or niche and remains highly centralised, Oracle networks can’t guarantee where the data comes from or if it was processed correctly.