Cypherpunk Technologies (CYPH), a digital asset treasury firm backed by the Winklevoss twins, said it bought $28 million worth of privacy coin zcash (ZEC), taking its overall holdings to 290,062 ZEC ($152 million). The Nasdaq-listed company said in a Tuesday press release that it purchased 56,418 tokens at an average price of $514.02 per token, and now holds roughly 1.76% of zcash's circulating supply. The firm's cost average is $334.41, making it one of very few digital asset treasury companies that ar ...