Roger ver also known as "bitcoin Jesus" said that bitcoin cash is the only recent coin widely used on the Dark web.
Miguel Gomez head of research at privacy affairs confirms that BCH is one of the most popular crypto currency being used on the dark web, its said on a Bitcoin.com report that BCH accounted for more than 10% overall transaction on the dark web.
On the dark web the major crypto currency widely used are (BTC , BCH and MONERO) are prevalent amongst others.
Based on research Bitcoin remains the most widely used crypto currency with monero close, an operation called the white house market accepts Monero and BCH but doesn't accept Bitcoin.
BCH users are not aware of advanced policicy
Schnoor signature allows transaction to combine multiple signature into a single signature, which is only available to BCH users and not BTC ( expired 2008 and satoshi refused to input them in bitcoin code for unknown reason ) users, this can be useful for both enhanced privacy and scalability.
With improved privacy policy the BCH is becoming more in used to the Underground hustlers.