When a company buys hundreds of millions of dollars of Bitcoin and the price barely moves, it did not use an exchange. It used an OTC desk. This guide explains over-the-counter crypto trading: why large orders cannot go through order books, how OTC desks source liquidity and settle trades, the difference between principal and agency desks, why so much real volume is invisible, and how to tell when the whales are quietly accumulating.

Here is a puzzle that confuses almost everyone new to crypto markets. A public company announces it bought $500 million of Bitcoin. On any exchange, an order that size would tear through the order book, spike the price, and cost the buyer a fortune in slippage, everyone would see it coming…