Arbitrum is Ethereum's leading optimistic rollup Layer 2, used for high-volume DeFi with Ethereum-level security guarantees. Use our free tool to check any Arbitrum (ARB) wallet address for AML compliance issues — including OFAC sanctions, darknet exposure, mixer usage, and ransomware links.
How to check an Arbitrum wallet for AML
- Paste your ARB wallet address in the input above
- Click Check AML to start the screening
- For a full report with risk score and PDF — open in Telegram bot
What is AML screening for Arbitrum?
AML (Anti-Money Laundering) screening for Arbitrum wallets checks transaction history against databases of known bad actors: OFAC-sanctioned addresses, darknet markets, ransomware payment wallets, scam contracts, and mixing services. Exchanges and financial institutions are legally required to screen crypto wallets before processing transactions.
Arbitrum processes more daily transactions than Ethereum mainnet, and shares its exact 0x address format: this checker asks which network before pulling any data instead of guessing from the address alone.
Key risk signals for Arbitrum wallets
Arbitrum's connection to Ethereum means that risk from Ethereum mainnet addresses (e.g. Tornado Cash exposure) can propagate to Arbitrum addresses through bridge activity.
- OFAC sanctions — direct listing or exposure to SDN-listed addresses
- Darknet markets — funds received from or sent to illegal marketplace addresses
- Mixer / tumbler exposure — use of privacy or obfuscation services
- Ransomware — connections to known ransomware payment addresses
- Exchange hacks — funds originating from stolen exchange wallets
Arbitrum AML compliance — what you need to know
Arbitrum processes over 1 million daily transactions as the leading Ethereum Layer 2 by volume, inheriting Ethereum's base-layer security while adding the compliance complication of a 7-day withdrawal window for the canonical bridge. This withdrawal delay means funds leaving Arbitrum to Ethereum are in a pending state for one week, visible on-chain but not spendable, creating a distinct audit window. The GMX decentralized perpetual exchange on Arbitrum experienced an oracle manipulation attack in September 2022 resulting in approximately $565,000 in losses. The ARB token airdrop in March 2023 distributed 1.162 billion tokens (11.62% of total supply) and generated significant wash trading as wallets claimed across multiple addresses to maximize eligibility. Days later, the Arbitrum Foundation's AIP-1 proposal to allocate 750 million ARB (roughly $1 billion) to itself before any community vote drew over 76% opposition once put to a real ballot: a governance dispute compliance teams cite as a reminder that DAO treasury flows deserve the same scrutiny as any other large fund movement. Compliance programs flag Arbitrum addresses with transaction histories showing the specific pattern of multi-address airdrop claiming followed by rapid aggregation into a single wallet, a behavior consistent with Sybil farming.
Free Arbitrum AML check via Telegram bot
The fastest way to check an ARB address is via @cryptoamlscan_bot. Send any Arbitrum wallet address and receive an instant risk score with full breakdown. Basic check is free — no registration required.
Recently sanctioned Arbitrum addresses (OFAC SDN)
The following addresses appear on the OFAC Specially Designated Nationals list. Transacting with these addresses may violate US sanctions law.
0x4f47bc496083c727c5fbe3ce9cdf2b0f6496270c
Arbitrum AML risk types — quick reference
| Risk type | What it means | What to do |
|---|---|---|
| Airdrop Sybil farming | Address claimed ARB across multiple linked wallets, then consolidated into one | Elevated due diligence: common Sybil-farming signature. |
| GMX oracle exploit exposure | Funds traceable to the September 2022 GMX oracle manipulation (~$565K) | Request source-of-funds documentation. |
| Tornado Cash (bridged) | Funds bridged from an Ethereum address with Tornado Cash exposure | OFAC exposure: block immediately. |
| OFAC SDN listing | Arbitrum address directly on OFAC sanctions list | Do not transact. Report to compliance immediately. |
| Pending 7-day bridge withdrawal | Large withdrawal initiated to Ethereum, still in the challenge period | Hold verdict until the withdrawal finalizes on mainnet. |
Last updated: 2026-06-17. Screened against OFAC SDN data that updates daily.