Privy, the startup behind several widely used consumer-facing blockchain tools, has raised $18 million in a Series A funding round led by General Catalyst. The company plans to use the new funding to further develop its platform and expand its reach into new markets. Privy's flagship product is its API, which allows developers to easily integrate blockchain technology into their applications. The company also offers a suite of other products, including a wallet, a token issuance platform, and a decentralized exchange.