Zen is a decentralized financial platform, built with the goal of providing people with a secure, scalable, and useful infrastructure for creating their own financial instruments and trading them without intermediaries. The Zen blockchain is secured by multiple proof-of-work algorithms, with token-holder voting on the balance between them. Multi-hash mining creates robust incentives for miners to deliver efficient, reliable security. The Zen platform comes with a built-in solution for oracles, which provide contracts with useful real-world data. Finally, Zen is integrated with the Bitcoin blockchain, allowing contracts to observe and respond to native Bitcoin transactions.