We introduce the onchain contracts for opening and closing Hydra heads (our isomorphic state channel) and a novel offchain protocol for rapid head development.Ĭardano becomes the fastest system in the world Hydra simplifies the development of off-chain protocols and contracts by directly adopting Layer 1 Smart Contracts. In this paper we introduce Hydra, an isomorphic multiparty state channel. For example, the Smart Contract Code of the first layer ("Layer 1") does not need to be adjusted to be compatible with the scaling solution: A serious disadvantage of the current protocols for layer two state channels is that the existing Smart Contract infrastructure and the contract code of layer 1 cannot be reused outside the blockchain without modifications. In the article on the Hydra Paper, it is stated that Hydra also has other significant advantages over existing state channel solutions. Thanks to the "Fast Finality" and the high transaction speed, even micro-transactions will become possible, Hoskinson said. Hoskinson further emphasized that each "Hydra head" will reach the so-called "Fast Finality", which means that the irreversibility of a transaction can be done almost in real time, as commonly used in a Byzantine Fault Tolerance (BFT) protocol. With 1,000 stacking pools, each of which processes 1,000 TPS, Cardano could achieve a throughput of up to one million transactions per second. Simulations have shown that each "Hydra head" can currently process about 1,000 transactions per second (TPS). It implements state channels that enable fast processing of payments and smart contracts beyond the blockchain (off-chain). Since yesterday, the paper is now publicly available for everyone on ePrint.Īs Hoskinson explained in his new video update, Hydra is a Layer 2 scaling solution implemented over Cardano's Proof of Stake protocol, while fitting "very well with the Pool staking model". The paper was originally completed in November, with a conference paper submitted in mid-February. Hoskinson explained that the paper on Hydra is the result of a colossal effort, involving over five years of research by more than two dozen full-time team members. Hydra is a scaling solution for Cardano's proof of stack, which is expected to be able to process over one million transactions per second. The paper on Hydra was published yesterday and describes the isomorphic multiparty state channel.Ĭharles Hoskinson, CEO of IOHK, the company responsible for the development of Cardano (ADA), announced yesterday the publication of the research paper on Hydra. The layer 2 solution "Hydra" will give the Cardano network a scalability of over one million transactions per second.
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