Multi-Currency Swap

Multi-Currency Swap, also known as Multiple Currency Conversions, Forex Layering, Cross-Currency Layering, or Currency Arbitrage, is a specialized layering method where criminals repeatedly exchange illicit funds among different fiat currencies and jurisdictions. By leveraging inconsistent AML controls or currency regulations, they create numerous transactional layers to obscure the true origin of funds. These rapid swaps also exploit arbitrage opportunities across various banking systems and currency corridors, further complicating detection efforts. Criminals exploit both licensed and unlicensed currency exchange offices to execute multiple cross-currency swaps, obscuring the origin of illicit proceeds by continually shifting denominations. They often divide or structure funds to avoid detection, then perform successive exchanges—sometimes in collusion with complicit operators who overlook suspicious transaction patterns. By exploiting lax AML controls or inadequate customer due diligence, launderers can convert large sums to different fiat currencies, fragment funds further across multiple accounts or intermediaries, and then reconsolidate under newly formed chains. In many cases, they deliberately seek out exchange services or money changers where controls are weak or non-existent, enabling them to circumvent restrictions and compliance obligations. After each conversion, the launderers may transfer or wire proceeds to additional accounts, repeating the cycle of layering and making each transaction more difficult to trace. This fundamental layering approach relies on the rapid turnover of multiple currencies, often across multiple jurisdictions, to break the trail of illicit assets. Moreover, informal networks and subtechniques such as multi-currency swap chains or cross-border arbitrage scenarios allow criminals to exploit regulatory gaps and fragment the link to the initial crime, making downstream detection even more challenging. In practice, once the funds are exchanged among multiple denominations, tracing their origin becomes increasingly difficult, especially when smaller transfers are structured and distributed through multiple providers. Cross-border money transfer services, in particular, are considered inherently more vulnerable to repeated layering efforts, as oversight can vary widely and create opportunities for criminals to remain below detection thresholds.

[
Code
T0115.002
]
[
Name
Multi-Currency Swap
]
[
Version
1.0
]
[
Tactics
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[
Risk
Product Risk, Jurisdictional Risk
]
[
Created
2025-02-26
]
[
Modified
2025-04-02
]

Multiple Currency Conversions

Forex Layering

Cross-Currency Layering

Currency Arbitrage

Tactics

ML.TA0007
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Multi-currency swaps leverage repeated cross-currency conversions to add multiple transactional layers, explicitly obscuring the original source of illicit funds. This complex sequence of exchanges is central to layering, making it substantially more difficult for law enforcement to trace the money trail.

Risks

RS0002
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Product Risk
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Multi-currency financial services offer rapid currency conversions with limited traceability, creating ideal conditions for layering. Criminals exploit these features to continually fragment and re-route illicit funds, making it more difficult for investigators to trace transactions back to their origin. This vulnerability is compounded by the jurisdictional aspect, enabling repeated conversion steps across different denominations.

RS0004
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Jurisdictional Risk
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Criminals repeatedly convert illicit funds across multiple jurisdictions with weaker or inconsistent AML controls, leveraging regulatory mismatches to diminish detection. This cross-border exploitation of differing standards is the primary vulnerability at the heart of this technique, allowing criminals to layer and obscure the money trail across various legal frameworks.

Indicators

IND01614
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Frequent and repeated conversions into multiple currencies within short intervals.

IND01615
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High volume of foreign exchange transactions predominantly involving stable or reserve currencies (USD, EUR, CHF, etc.).

IND01616
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Rapid succession of currency swaps across multiple jurisdictions with varying AML regulatory thresholds.

IND01617
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Frequent foreign exchange or arbitrage trades that do not align with the client’s known business or operational profile.

IND01618
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Material inconsistencies between the client’s stated purpose of currency exchanges and the actual patterns observed in transaction data.

IND01619
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Complex transaction chains that involve multiple foreign exchange brokers or platforms.

IND01620
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Frequent engagement in cross-currency swaps without a clear economic rationale.

IND01621
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Patterns of transactions specifically designed to exploit differing AML oversight or regulatory requirements across multiple jurisdictions.

IND01622
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High volume of foreign exchange transactions without a clear business purpose or economic rationale.

IND01623
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Maintenance of multiple currency accounts in different countries absent a legitimate business rationale.

IND01624
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Significant fluctuations in account balances due to frequent currency conversions.

IND01625
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Clients involved in high-frequency trading activities without a background or expertise in financial markets.

IND01626
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Frequent usage of unlicensed or laxly regulated money service businesses for cross-currency swaps.

IND01627
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Splitting foreign exchange transactions into smaller increments across multiple providers to avoid reporting thresholds or detection.

Data Sources

Provides risk profiles and AML/CFT regulatory information for various jurisdictions, enabling institutions to identify high-risk regions where multiple cross-currency swaps may be conducted to exploit lax oversight. This data helps investigators pinpoint patterns of frequent multi-jurisdictional transfers and assess heightened layering risks in specific countries.

Detailed records of currency conversions cover timestamps, exchange rates, volumes, and involved parties. This data exposes frequent cross-currency swaps and rapid layering activities across multiple denominations, helping detect potential structuring and arbitrage maneuvers.

Comprehensive records of financial transactions, including timestamps, amounts, currencies, and counterparties, enable the detection of repeated or rapid currency swaps that indicate layering attempts. Investigators can trace the sequence and pattern of conversions used to obscure the illicit origin of funds.

Provides account ownership, balance history, and transaction details, allowing investigators to spot rapid inflows and outflows in multiple denominations. Sudden or repeated currency conversions across various accounts can signal a multi-currency layering technique.

Lists licensed and regulated money service businesses, helping to identify if laundering schemes involve unlicensed or poorly regulated operators. Frequent cross-currency swaps conducted via questionable MSBs are a common tactic in advanced layering scenarios.

Maintains verified customer profiles, beneficial ownership details, and expected transaction behaviors, enabling comparison of stated business purposes against actual multi-currency swap activities. Discrepancies can indicate high-risk layering and misuse of customer accounts.

Captures cross-border payment flows, including involved jurisdictions, transaction amounts, and counterparties. By highlighting frequent shifts between countries with varying AML regulations, this data helps identify structured layering strategies that exploit less-regulated corridors.

Mitigations

Continuously identify jurisdictions with inconsistent AML controls, currency regulation loopholes, or histories of weak enforcement. Assign high-risk ratings to transactions frequently routed through these locations for multi-currency conversions, triggering enhanced controls or restrictions. This ensures financial institutions do not inadvertently facilitate arbitrage-based layering across vulnerable jurisdictions.

Apply stricter scrutiny to customers who conduct high-volume, rapid FX swaps or use multiple foreign exchange providers in short intervals. Verify the sources of funds, the licensing status of affiliated money service businesses, and the legitimacy of each currency conversion. Assess relationships with potentially weaker regulated jurisdictions to ensure there is no exploitation of regulatory gaps.

Implement specialized monitoring procedures to detect rapid or frequent currency conversions across multiple jurisdictions. Set alerts for repetitive FX trades structured under reporting thresholds, transactions routed via unlicensed or high-risk intermediaries, and sudden currency exchanges inconsistent with the customer’s expected activity. Investigate any layered patterns that rapidly shift funds between different currencies to obscure their origin.

Assess and monitor all third-party currency exchange partners and money service businesses for robust AML compliance. Require contracts stipulating adherence to AML regulations, conduct regular due diligence reviews, and terminate relationships with operators who fail licensing or compliance checks. This measure prevents launderers from exploiting unregulated or complicit service providers for multi-currency layering.

Use publicly available business registries, watchlists, and other external intelligence sources to confirm that currency exchange operators are properly licensed and regulated. Investigate counterparties for signs of repeated cross-border layering, collusion with complicit exchangers, or patterns of exploiting weak AML regimes. Conduct these checks at onboarding and periodically thereafter, especially for high-volume accounts.

Restrict or prohibit ongoing multi-currency conversions involving unlicensed money service businesses or high-risk corridors until thorough checks are completed. Immediately limit large or frequent cross-border FX swaps if there are red flags, such as no clear business rationale or repeated structuring below thresholds. Only reinstate services once due diligence confirms a legitimate basis for the activity.

Instruments

  • Criminals open or maintain accounts (often multi-currency) in different jurisdictions to deposit illicit proceeds in one currency and then convert them into another.
  • By quickly wiring funds among multiple bank accounts, each holding different fiat denominations, they add layers of transactions that obscure the original source.
  • Inconsistent AML controls across jurisdictions enable repeated conversions and transfers with less scrutiny, making it harder for authorities to trace the funds back to their illicit origins.
  • Multi-Currency Swap involves converting illicit funds among various fiat currencies (USD, EUR, JPY, etc.) to break the transaction trail.
  • Criminals exploit differential regulations or weaker AML enforcement in certain locations to repeatedly exchange one fiat currency for another.
  • Each conversion further obscures the origin of funds, complicating efforts by investigators to track transactions through multiple denominations and jurisdictions.
IN0051
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  • Criminals can use physical currency to execute repeated currency swaps at money service businesses or exchange offices.
  • By structuring deposits or exchanges below reporting thresholds, they exploit lax AML controls and avoid triggering alerts.
  • Physical cash exchanges make it difficult for financial institutions to link successive transactions, further obscuring the illicit origin of funds.

Service & Products

  • Criminals engage in direct multi-currency swaps to layer funds across multiple denominations.
  • Frequent cross-currency exchanges—often arranged in quick succession—conceal the path of illicit proceeds, complicating AML scrutiny.
  • Criminals use real-time forex trading to rapidly exchange illicit funds among multiple currency pairs.
  • By exploiting arbitrage opportunities and short-term fluctuations, they introduce multiple layering steps that obscure the original source of funds.
  • Criminals repeatedly convert illicit funds into different currencies by routing them through cross-border remittance channels.
  • They split or structure transactions below reporting thresholds, exploiting weak controls in certain corridors to hide the true origin of funds.
  • Criminals exploit both licensed and unlicensed currency exchange offices to swap illicit proceeds among different fiat currencies.
  • By choosing providers with lax or inconsistent AML controls, they avoid detection and further obscure the fund trail.
  • After layering funds through multiple currency swaps, criminals wire proceeds across various institutions and jurisdictions.
  • Successive wire transfers create complex transaction chains, complicating the audit trail and hindering AML investigations.

Actors

Money services businesses, including both licensed and unlicensed currency exchange offices, facilitate multi-currency swaps by enabling frequent foreign exchange transactions. Criminals exploit these services to disperse illicit funds across different denominations, sometimes in collusion with complicit operators who overlook suspicious transaction patterns. These rapid conversions hinder financial institutions' ability to track or identify the true origin of the assets.

Professional money launderers design and execute multi-currency swaps by repeatedly converting illicit funds among various fiat currencies and jurisdictions. They exploit loopholes in AML controls and arbitrage opportunities to create multiple layers of transactions, obscuring the original source of the proceeds. This fragmentation complicates financial institutions' monitoring efforts and allows launderers to circumvent standard scrutiny thresholds.

Financial institutions hold and transfer funds after each currency conversion step, providing accounts and wire services that criminals use to further layer illicit proceeds. By dispersing transactions across multiple institutions with differing AML standards, criminals increase complexity and reduce the likelihood that any single bank or regulator will detect the entire laundering chain.

References

  1. Financial Action Task Force (FATF). (2010, June). Money laundering through money remittance and currency exchange providers. MONEYVAL and FATF/OECD. https://www.fatf-gafi.org/en/publications/Methodsandtrends/Moneylaunderingthroughmoneyremittanceandcurrencyexchangeproviders.html

  2. MAS (Monetary Authority of Singapore). (2024). Money laundering risk assessment report Singapore 2024. MAS. https://www.mas.gov.sg/publications/monographs-or-information-paper/2024/money-laundering-national-risk-assessment