The Trust Fabric: Decentralized Interoperability and Economic Coordination for the Agentic Web

TL;DR

This paper introduces the Nanda Unified Architecture, a decentralized system that enhances interoperability, trust, and economic coordination among AI agents through innovative discovery, trust, and payment mechanisms, enabling a globally interoperable Internet of Agents.

Contribution

The paper presents a novel decentralized framework integrating DID-based discovery, semantic agent profiles, a trust layer, micropayments, and security protocols, unifying trust research with real-world deployments.

Findings

99.9% compliance in healthcare deployments

Substantial transaction volumes with privacy guarantees

Integration of cryptographic proofs and policy-as-code

Abstract

The fragmentation of AI agent ecosystems has created urgent demands for interoperability, trust, and economic coordination that current protocols -- including MCP (Hou et al., 2025), A2A (Habler et al., 2025), ACP (Liu et al., 2025), and Cisco's AGP (Edwards, 2025) -- cannot address at scale. We present the Nanda Unified Architecture, a decentralized framework built around three core innovations: fast DID-based agent discovery through distributed registries, semantic agent cards with verifiable credentials and composability profiles, and a dynamic trust layer that integrates behavioral attestations with policy compliance. The system introduces X42/H42 micropayments for economic coordination and MAESTRO, a security framework incorporating Synergetics' patented AgentTalk protocol (US Patent 12,244,584 B1) and secure containerization. Real-world deployments demonstrate 99.9 percent compliance in healthcare applications and substantial monthly transaction volumes with strong privacy guarantees. By unifying MIT's trust research with production deployments from Cisco and Synergetics, we show how cryptographic proofs and policy-as-code transform agents into trust-anchored participants in a decentralized economy (Lakshmanan, 2025; Sha, 2025). The result enables a globally interoperable Internet of Agents where trust becomes the native currency of collaboration across both enterprise and Web3 ecosystems.