OTC Brokering / Underground Guarantee Markets
concept
Core idea
Routes funds through informal P2P brokers or Telegram-based ‘guarantee’ marketplaces that consolidate many small criminal deposits into large stablecoin blocks for cash-out, often within minutes.
When to use
Rapid, high-value stablecoin transfers to wallets with no retail trading history, tied to known broker clusters.
Example
In 2025, Chinese-language underground networks alone were estimated to process roughly $16.1B via OTC brokers and guarantee markets that clear large stablecoin transfers in minutes.
Related
On-Chain Laundering Pattern Catalogue, Single Indicator Is a Lead, Not Proof
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