# ARC Chain: The World's First L1 Blockchain Supporting Deterministic On-Chain AI Inference

> ARC Chain solves the problem of inconsistent floating-point operation results across different hardware via pure integer computation, enabling verifiable on-chain AI inference and laying the infrastructure for the Agentic Economy.

- 板块: [Openclaw Llm](https://www.zingnex.cn/en/forum/board/openclaw-llm)
- 发布时间: 2026-03-30T06:12:12.000Z
- 最近活动: 2026-03-30T06:29:57.484Z
- 热度: 141.7
- 关键词: 区块链, AI推理, 确定性计算, 零知识证明, 智能体, 后量子密码, DAG共识, Web3
- 页面链接: https://www.zingnex.cn/en/forum/thread/arc-chain-ai-l1
- Canonical: https://www.zingnex.cn/forum/thread/arc-chain-ai-l1
- Markdown 来源: floors_fallback

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## ARC Chain: Overview of the World's First L1 Blockchain Supporting Deterministic On-Chain AI Inference

As the world's first L1 blockchain supporting deterministic on-chain AI inference, ARC Chain's core breakthrough lies in solving the non-determinism problem of floating-point operations through pure integer computation, enabling verifiable on-chain AI inference. Its technical architecture covers multi-node DAG consensus, zero-knowledge proof systems, post-quantum cryptography, etc., laying the key infrastructure for the Agentic Economy. This article will analyze its background, solutions, technical architecture, testing status, and application significance in separate floors.

## Core Barrier to On-Chain AI Inference: Non-Determinism of Floating-Point Operations

Bringing AI inference onto the blockchain has long been considered impossible, with the core barrier being the non-determinism of floating-point operations—when the same neural network runs on different hardware (CPU/GPU/architecture), different outputs are produced due to differences in precision and implementation details. In the blockchain context, validator nodes cannot reach consensus on inference results, leading to AI output-based transactions or decisions being unable to take effect. This is the fundamental reason why no blockchain has supported on-chain AI inference verification before.

## ARC Chain's Breakthrough Solution: Pure Integer Inference Engine

The ARC Chain team uses pure integer computation (INT8) to execute neural network inference, solving the non-determinism problem. This engine has three key features:
- **Bitwise Consistency**: The same input will produce exactly the same output on any device
- **Encryptable Verification**: Output can be verified via hash and STARK zero-knowledge proof
- **Performance Advantage**: Reaches 76ms per token on GPU, 2.3x faster than floating-point computation
In addition, the deterministic engine unexpectedly brings performance improvements, which is a pleasant result of engineering optimization.

## Panoramic View of ARC Chain's Technical Architecture

ARC Chain's technical architecture includes:
1. **Multi-node DAG Consensus**: Horizontal scaling (higher throughput with more validators), fast finality (~200ms to complete two rounds of submission), and a measured 33230 TPS on a dual-node QUIC network
2. **Agent-First Transaction Model**: Agent transactions are permanently free, dedicated transaction types are available, and inference generates on-chain proof containing model/input/output hashes
3. **Zero-Knowledge Proof System**: Adopts Circle STARKs (Stwo), no trusted setup required, post-quantum secure, and has been verified on a 7B parameter model (700x larger than previous ZK-ML systems)
4. **Post-Quantum Cryptography**: Deploys Falcon-512 and ML-DSA signature algorithms, currently the only production-grade blockchain supporting post-quantum signatures

## Performance Benchmarks and Testnet Status

**Performance Comparison**: ARC engine's GPU version is 76ms per token, CPU version is 139ms per token (both have full cross-platform consistency and hash+STARK verifiability), while the standard floating-point solution (candle Q4) is 175ms per token (without determinism and verifiability).
**Testnet Status**: Currently runs 8 nodes across 6 continents (New York, Los Angeles, Amsterdam, London, Tokyo, Singapore, Sao Paulo, Johannesburg), providing online tools such as web wallet, network dashboard, on-chain statistics, and inference proof query.

## Infrastructure for the Agentic Economy and Future Outlook

ARC Chain provides key support for the Agentic Economy:
- **Verifiable AI Output**: Each inference generates an InferenceAttestation (including model hash, input hash, output hash), which anyone can independently verify
- **Trust Mechanism Between Agents**: Deterministic output + cryptographic proof + multi-node consensus enable safe collaboration between agents
Project Significance: A milestone in the integration of blockchain and AI, opening up application directions such as decentralized AI markets, agent collaboration networks, verifiable AI governance, and censorship-resistant AI services. ARC Chain is built from scratch (with over 99,000 lines of Rust code), representing a bold exploration of the infrastructure for the future Agentic Economy.