The sky over Dakar was pale with harmattan dust. Traffic moved in heavy, slow tides. Buba leaned against the passenger-side door of a beat-up Peugeot 504, waiting for the second envelope. The man arrived on foot. A cousin of a cousin. No names, no phones, just a phrase—borrowed from an old griot’s proverb.“If the cow falls, the knives multiply.”Buba nodded, took the envelope, and got back into the car without a word. Inside were fifty PEG paper wallets—unbranded, untraceable, each preloaded t...