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  • Ouroboros Hydra is an important milestone in Cardano blockchain development.
  • The new system is also compatible with its extended UTXO model, facilitating easy sharding.

Cardano (ADA) blockchain project has published a research paper on the Ouroboros Hydra, discussing the capabilities and features of a new proof of stake algorithm. According to InputOutput HK (IOHK), Ouroboros Hydra is a prominent achievement and it marks an important milestone in the Cardano blockchain development.

In a blog post, Cardano said that simulations of the network revealed that each Hydra head can complete 1,000 transactions per second and each stake pool will host one head. The new system is also compatible with its extended UTXO model. This compatibility facilitates easy sharding of the stake space without sharding the ledger itself.

The Cardano team noted:

If we have 1000 TPS and 1000 heads there could be a maximum theoretical performance rate of 1 million TPS. This would also allow fast finality like in traditional BFT protocols.

Twitter Reaction

Tobias Fancee [FANCY] 

The dragon is awakening…
1000 tps and 1000 heads = 1,000,000 tps total
“Cardano truly will be the fastest system in the world.”
Welcome to the Basho era! Hail Hydra!

[email protected]


A major scientific achievement and a significant milestone in the development of #Cardano, Ouroboros Hydra breaks new ground in PoS scalability. After some 5 years of inter-disciplinary research effort, the Hydra paper is available today.

– @Bombbero

ADA/USD daily chart

ADA/USD daily chart

ADA/USD charted six consecutive red sessions. The asset has dropped from $0.0399 to $0.0367 in the early hours of Thursday.

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