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Solana's noir examples: zk circuits with on chain verification

Solana Launches ZK Circuits | New Noir Examples Confirm On-Chain Verification

By

Emily Carter

Jan 8, 2026, 07:44 AM

2 minutes reading time

A depiction of Solana's zero-knowledge circuits with on-chain verification, featuring code snippets and a developer at a computer

Solana has launched new examples of zero-knowledge (ZK) circuits in Noir, offering on-chain verification capabilities. This move highlights the platform's innovative approach to enhancing security and privacy in transactions.

What You Need to Know About Noir

Noir is a programming language that allows for the creation of ZK circuits with a syntax that resembles Rust. The initiative promises to simplify the verification process for transactions on Solana. Users can create circuits without needing advanced cryptographic knowledge.

Key Features of the New ZK Circuits

Solana's Noir features three different circuits, each increasing in complexity:

  1. Simple Assertion: An entry-level circuit for beginners.

  2. ECDSA Signature Verification: For verifying digital signatures.

  3. Sparse Merkle Tree Blacklist Exclusion Proof: A sophisticated circuit for advanced users.

"Every circuit follows the same workflow, making it user-friendly and efficient," a spokesperson noted.

Additionally, each example includes a TypeScript client that's compatible with the Noir Kit. Developers can clone the repository from GitHub, add a keypair, and start building immediately.

User Reactions and Future Implications

Comments from community forums indicate excitement about these new features. One user expressed optimism, stating, "Next stop is private equity on-chain, permissionless and no KYC." This sentiment reflects a broader desire for more accessible financial tools.

Negatives were sparse but included concerns about the potential learning curve for newcomers.

Key Takeaways

  • ๐Ÿš€ Versatile Usage: Noir eases ZK circuit development even for beginners.

  • ๐Ÿ” Enhanced Privacy: New circuits aim to provide robust security for transactions.

  • ๐Ÿ“ˆ Future Possibilities: Enthusiasm for future applications, especially in private equity.

As Solana continues to innovate, it raises questions about how these advancements could influence on-chain activities and user engagement in the crypto space. The ongoing developments may pave the way for a more integrated crypto ecosystem, making zero-knowledge proofs a staple in verification processes.

For further insights, visit the Noir GitHub repository and explore these new tools yourself.

Predictions on the Horizon

Thereโ€™s a strong chance that Solana's new ZK circuits will catalyze a surge in on-chain activities, particularly in areas like decentralized finance (DeFi) and private equity. As users grow more comfortable with the tools provided by Noir, experts estimate that adoption rates could increase by 30% within the next year. This expansion is likely fueled by the growing demand for privacy-focused solutions, especially in a landscape where regulatory scrutiny intensifies. Furthermore, as crypto projects roll out new applications built on these ZK circuits, we might witness a significant shift towards permissionless finance where KYC becomes less of a barrier, allowing smaller players to enter the market without extensive requirements.

A Rare Echo from the Past

In the 1990s, the rise of the Internet provided a similar turning point for communication and commerce. Initially, it faced skepticism and concerns about security, much like the apprehension surrounding new crypto technologies today. Just as innovators back then found ways to leverage the digital space, paving the way for giants like Amazon and eBay, todayโ€™s developers are likely to harness the capabilities of ZK circuits to reshape financial landscapes. This historical parallel underscores the likelihood that, as barriers reduce and accessibility increases, an entirely new economy may emerge, much like the e-commerce boom that forever altered how we shop and interact.