// GLOSSARY -- AGENTIC AI

What is a Multi-Chain Agent?

1 min read Updated

An AI agent that operates across multiple blockchain networks — holding assets, executing transactions, and interacting with protocols on different chains as part of its financial operations.

WHY IT MATTERS

The blockchain ecosystem is multi-chain. DeFi opportunities exist on Ethereum, Base, Arbitrum, Solana, and others. Agents that can operate across chains access more opportunities and better pricing.

Multi-chain operation introduces complexity: managing wallets on each chain, bridging assets, tracking spending across networks, and maintaining consistent security posture everywhere.

Without unified controls, a multi-chain agent could circumvent per-chain limits or exploit inconsistencies between chains' security models.

HOW POLICYLAYER USES THIS

PolicyLayer provides unified spending controls for multi-chain agents — one policy governing total activity regardless of which chain processes the transaction.

FREQUENTLY ASKED QUESTIONS

How does PolicyLayer track multi-chain spending?
PolicyLayer aggregates spending data from all supported chains in real-time, evaluating cumulative policies against the consolidated view.
Does the agent need separate wallets per chain?
Typically yes — each chain has its own address format and key requirements. PolicyLayer manages policies across all wallets as a single agent identity.
What about bridge transactions?
PolicyLayer tracks bridging as both a withdrawal from the source chain and a deposit on the destination chain, maintaining accurate cross-chain accounting.

FURTHER READING

Enforce policies on every tool call

Intercept is the open-source MCP proxy that enforces YAML policies on AI agent tool calls. No code changes needed.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
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