The document labeled "LockTrip" was published by the team behind it. The fundamental design document of the Hydra is the Blockchain manifest. There is a chain. The LockTrip DaPP is being developed. The team is trying to come up with the best solution. It built Hydra on top of open source technology. Through the test of time is a successful strategy. There are a lot of blockchains, e.g. Bitcoin Cash, Litecoin, Qtum and many more. The philosophy behind Hydra is to use economic features. There is a proven technology for data transmission. Proof-of-stake is built on top of open-source projects. The PoV v3 was designed by Pavel Vasin. It stimulates market and stakers. Participants are encouraged to contribute to the architecture. The transaction fees are calculated in Hydra based on market prices. Half of transaction fees are shared with smart contract creators, who build the transactional economy. There is more info on the website.