PayPal (NASDAQ:PYPL) is working on a deal to buy digital-asset security company Curv, according to a report from Israeli news site Calcalist (via CoinDesk). The company, which specializes in the custody and secure storage of cryptocurrency, is expected to fetch a price in the hundreds of millions of dollars, the report said. Curv describes itself as "a cloud-based wallet that gives you bulletproof protection, instant availability and total autonomy over all your digital assets, powered by revolutionary cryptography." The company solves a common blockchain problem of "private keys," or the authentication that ... (full story)