Hydra is a permissionless, open-source, proof-of-stake blockchain built on some of top of open-source technologies - QTUM, Bitcoin, Ethereum and BlackCoin’s PoV v3, designed by Pavel Vasin. It packs a unique combination of inflationary as well as deflationary mechanics as part of its economy that work in parallel and let the real adoption define its total supply.

Hydra provides 50% gas royalties to smart contract owners. Developers/Projects receive 50% of the transaction fees whenever their smart contract is executed by a user.

The Hydra blockchain achieves transactional cost predictability through a stable gas price protocol. The gas price is governed by coin holders through a decentralized voting mechanism and is always set in fiat. An oracle monitors the price of HYDRA on exchanges and adjusts the fee settings dynamically. The result is a fixed price per transaction in USD equivalent, irrespective of the HYDRA rate, thus giving network participants and real-world business applications the stability they need.