Compliance & Analytics · 7 min read

Security and monitoring providers for Arc, confirmed so far

Chainalysis, Elliptic and TRM Labs document Arc compliance support. Runtime monitoring is thinner and unconfirmed; custody has moved to Wallets & Custody.

Circle's developer documentation names three compliance vendors for Arc as of 2 September 2026: Chainalysis, Elliptic, and TRM Labs — transaction monitoring, address screening, and AML/sanctions tooling. That is a narrower category than runtime security monitoring (contract-level anomaly detection and incident response) or custody-grade key management, where the confirmed record on Arc is thinner. Fireblocks is a named integration partner in Circle's founding-validator announcement; Forta, OpenZeppelin Defender, and Hexagate have no confirmed Arc-specific integration Built on Arc could source.

Two different things both called "security" here

"Security and monitoring" for a chain covers at least two distinct jobs a team sources separately: compliance monitoring (screening addresses and transactions against sanctions lists and known-illicit activity, usually a regulatory or partner requirement) and runtime security monitoring (watching a protocol's own contracts for anomalous activity — draining, price-oracle manipulation, unusual admin-key usage — in order to react before or during an exploit). Custody and key management (how a team actually holds and signs with the keys controlling its contracts and treasury) is a third, related layer. Arc's documented ecosystem, as of 2 Sep 2026, is unevenly built out across the three.

Compliance monitoring: the confirmed layer

Circle's compliance-vendors reference names three providers directly, each with a stated Arc-relevant capability:

Chainalysis — a blockchain data platform for transaction monitoring, address screening, and investigation tooling, aimed at AML, sanctions, and fraud detection.

Builds on Arc: Provides transaction monitoring and address screening for Arc. · Role: Serves · Category: Compliance & Analytics · Project page

Elliptic — blockchain analytics and transaction-monitoring APIs for identifying illicit activity and assessing AML/sanctions risk; separately dated its own Arc coverage to the 28 Oct 2025 public testnet launch, making it testnet-scoped as of that announcement.

Builds on Arc: Provides blockchain analytics and AML/sanctions screening for Arc, testnet-scoped since 28 Oct 2025. · Role: Serves · Category: Compliance & Analytics · Project page

TRM Labs — risk intelligence, wallet screening, and real-time monitoring for fraud and money-laundering detection; also named directly in Circle's description of Arc's agentic-economy compliance screening, alongside Elliptic, as providing integrated checks for agent-to-agent payment flows.

Builds on Arc: Provides wallet-screening and fraud-risk intelligence for Arc, including agent-payment flows. · Role: Serves · Category: Compliance & Analytics

None of the three carries a mainnet-specific claim in the material Built on Arc reviewed — consistent with the rest of Arc's developer stack being documented against testnet pre-launch.

Runtime monitoring: the unconfirmed layer

Forta (decentralized detection network for on-chain threats), OpenZeppelin Defender (a widely used operations and monitoring platform for smart contracts), and Hexagate (real-time on-chain risk monitoring) are three of the more commonly deployed runtime-monitoring tools across EVM chains generally. Built on Arc searched for Arc-specific integration documentation, blog posts, or announcements from each and found none as of 2 Sep 2026. That is an absence from the public record, not a claim that any of the three has ruled out Arc support — general-purpose EVM monitoring tools frequently work across new EVM chains without a dedicated announcement, but "frequently works elsewhere" is not the same as "confirmed on Arc," and this guide does not blur the two.

Key management and custody

Custody and key management is a separate category under Built on Arc's taxonomy — see Wallets & Custody for the full comparison, including Ledger, MetaMask, and other institutional custody names from Circle's founding-validator release. Fireblocks is the one name from that release with a direct security/monitoring-adjacent relevance here.

Builds on Arc: Named as a custody/institutional integration partner in Circle's Arc founding-validator release. · Role: Serves · Category: Wallets & Custody → Custodians · Project page

What "no confirmed integration" should and shouldn't tell a builder

A team choosing runtime monitoring or custody infrastructure for an Arc deployment should not read the gaps above as "these tools don't work on Arc" — most are built on standard EVM RPC and event-log interfaces that Arc supports natively, and a general-purpose EVM monitoring setup may function without any Arc-specific integration work at all. What the gap means concretely is that none of these vendors has published Arc-specific configuration, tested edge cases (like Arc's non-standard native-token transfer events, documented in its EVM-differences reference), or support commitments — so a team relying on one should verify compatibility itself rather than assume vendor-tested parity with, say, Ethereum mainnet or another established EVM chain.

Sources: - Arc compliance vendors reference - Arc agentic economy overview - Arc EVM differences reference - Circle: founding validator cohort press release, 5 Aug 2026 - Circle: Arc Public Testnet launch, 28 Oct 2025

*Built on Arc is an independent directory. Arc is a Circle product; we are not affiliated with, endorsed by, or operated by Circle.*

Questions

Is Elliptic's Arc coverage still testnet-only as of 2 Sep 2026?

Yes, based on the dated announcement Built on Arc could source, which tied Elliptic's Arc coverage to the 28 Oct 2025 public testnet launch; no subsequent mainnet-specific statement was found.

Does Chainalysis have a confirmed Arc relationship?

Yes — Chainalysis is named directly in Circle's own compliance-vendors documentation as of 2 Sep 2026, which supersedes earlier reporting that found no confirmed relationship; this guide reflects the current, sourced state.

What does TRM Labs' role in the "agentic economy" section mean?

Circle's own documentation on Arc's agent-payment infrastructure (ERC-8004 identity, ERC-8183 job settlement) names Elliptic and TRM Labs together as providing "integrated compliance screening" for that flow — the clearest signal Built on Arc found that compliance monitoring is being built into agent-to-agent payments specifically, not just human-initiated transactions.

Should I use a general EVM monitoring tool on Arc even without a vendor's explicit Arc support statement?

That's a case-by-case technical decision outside what this guide can make for you; the honest answer is that compatibility is plausible given Arc's EVM base but unverified by the vendor, so test it rather than assume it.

Is there a Circle-published list of runtime security monitoring vendors, separate from compliance vendors?

Not as of 2 Sep 2026 — Circle's docs.arc.io tools section covers node providers, data indexers, oracles, account abstraction, and compliance vendors specifically; it does not have a distinct runtime-security-monitoring category.