Barry Silbert, CEO of cryptocurrency conglomerate Digital Currency Group, said Wednesday that privacy-focused cryptocurrencies are poised to become the next big investment opportunity in the industry. Bitcoin Not Really ‘Anonymous' During a conversation with Anthony Pompliano at the Bitcoin Investor Week conference, Silbert said his thesis is that 5-10% of Bitcoin's (CRYPTO: BTC) market cap would rotate into privacy coins, including Zcash (CRYPTO: ZEC).