Binance's CEO says signing up another 100 million crypto users will be a big challenge until they can buy crypto with cash

• Binance CEO says difficulties in converting fiat currencies like the dollar to crypto are a big hurdle to bring in the next 100 million users.
• "We're seeing a lot of traditional institutions that used to provide fiat ramp channels pull away," said Changpeng Zhao.
• Zhao was speaking at the crypto event Token2049 in Singapore.

Binance CEO Changpeng "CZ" Zhao thinks a key problem in expanding cryptocurrency's reach is the lack of resources that help convert cash into crypto, and vice versa.