What Is Dark Pool?
A dark pool is a private trading venue where orders are matched without being displayed on a public order book. In crypto, dark pools serve institutional traders who need to execute large orders without revealing their intentions to the market. If a fund needs to sell $50M of BTC, placing it on a public order book would cause other traders to front-run the sell, driving the price down before execution.
How Dark Pool Works
Crypto dark pools include OTC desks (like Cumberland, Galaxy Digital), block trading platforms (like Paradigm), and privacy-focused DEXs. Orders are matched internally or through a network of counterparties. The trade doesn't appear on the public tape until after execution, preventing the information leakage that occurs with visible orders.
Why It Matters for Traders
While retail traders don't use dark pools directly, understanding they exist explains otherwise puzzling market behavior. Large blocks can change hands in dark pools without any visible price impact, and then suddenly appear as on-chain transfers. When you see a massive on-chain BTC transfer between unknown wallets, it may be the settlement of a dark pool OTC trade — not necessarily a bearish or bullish signal.