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Newton Protocol is a policy engine that allows you to encode, verify, and enforce rules—such as spend limits, jurisdictional gating, or fraud prevention—directly within your smart contracts.

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The Problem

Smart contracts are built to initiate onchain actions like mints, transfers, and swaps. However, they are inherently “blind” to offchain contexts, such as whether a user is sanctioned, if an AI agent is hallucinating, or if a transaction violates a corporate spend policy. Furthermore, traditional security often relies on “closed-loop” gates like frontend filters or centralized API checks. These measures leave protocols vulnerable to unauthorized actions initiated outside your controlled environment, such as through third-party aggregators, autonomous agents, or direct CLI interactions.

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The Solution

Newton bridges this gap by informing onchain actions with real-time offchain data—including KYC status, market feeds, and proof of reserves—all while preserving privacy and decentralization. Because these rules are enforced at the smart contract level, your protocol remains protected regardless of where the transaction originates. This allows developers to move beyond static allowlists and implement dynamic, real-time guardrails that block high-risk or non-compliant actions at the source.

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Modular and Chain-Agnostic

Newton is modular by design and integrates easily with most EVM-compatible networks, including Ethereum, Base, and Arbitrum. Non-EVM support is currently on our roadmap to provide a universal safety net for open protocols and autonomous agents across the entire ecosystem.

Try the demo

See a live example of a Newton-powered sanctions-checked transfer app

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Walkthrough

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Why Newton

  • Verifiable Trust: Every compliance decision is backed by cryptographic proof, not reputation.
  • Privacy-Preserving: Only hashes and commitments are onchain — no PII or sensitive data exposure.
  • Composable: Works with wallets, dApps, AI agents, and DeFi protocols through a standard interface.
  • Chain-Agnostic: Newton proofs can be verified across any EVM chain via lightweight verifier contracts.
  • Extensible: Supports both open-source policies and enterprise modules for regulated financial institutions.

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Summary

Newton Protocol is a policy engine that allows you to program and enforce rules with both onchain and offchain data directly within your smart contracts. Whether you are adhering to jurisdictional requirements for cross-border payments, defining risk managed thresholds for vault trades, or setting safety guardrails for AI agents, Newton allows you to enforce dynamic, real-time policies that keep your protocol secure at the source. By combining deterministic policy computation, offchain consensus verification, and onchain composability, Newton establishes a new foundation for trust, compliance, and safety in autonomous systems — powered by the NEWT token and sustained through a decentralized, self-reinforcing economic model.