'Near optimal throughput': A deep dive into Ouroboros Leios

Рет қаралды 4,586

2 ай бұрын

In this video, Giorgos Panagiotakos, a research fellow at Input Output, delves into scaling throughput and specifically Ouroboros Leios, a new member of the Ouroboros protocol family that achieves near optimal throughput.
Traditional blockchain protocols use a leader-based approach for block proposals, but this often results in suboptimal throughput. Panagiotakos highlights the importance of high throughput for reducing congestion and enabling the efficient operation of layer 2 applications.
Key topics discussed:
- current blockchain protocols: analysis of leader-based protocols like Bitcoin and their throughput limitations.
- challenges in blockchain networking: protocol bursts and equivocation attacks.
previous high throughput solutions: input endorsers, parallel chains, and BFT-style approaches, and why they fall short.
- introduction to Ouroboros Leios: an overlay proof-of-stake protocol designed for near-optimal throughput under realistic network conditions.
- technical insights: methodology and features of Ouroboros Leios, including stake-based endorsing, pipelining, and mitigation strategies for protocol bursts and equivocation attacks.
Panagiotakos explains how Ouroboros Leios can transform low throughput protocols into high throughput ones, ensuring robust performance even against adaptive adversaries. Watch to understand how this groundbreaking protocol can enhance blockchain scalability and reliability.
Read the new paper, High-Throughput Blockchain Consensus under Realistic Network Assumptions:
iohk.io/en/research/library/papers/high-throughput-blockchain-consensus-under-realistic-network-assumptions/
For further context and information on blockchain scaling, also check out this video from Aggelos Kiayias, chair of cybersecurity and privacy at the University of Edinburgh and chief scientist at Input Output: kzfaq.info/get/bejne/eeCdmpyI0rmnk30.html
☝️ This session delves into scaling blockchain protocols, which involves enhancing throughput while preserving essential properties such as dynamic participation, self-healing, resilience to faults, incentive alignment, inclusiveness, predictability, and more.
👍 Don't forget to like, share, and subscribe for more deep dives into blockchain technology!

Пікірлер: 42

@c.santiago3337 2 ай бұрын

Finally some content. Been waiting for this forever. Years.

@IohkIo Ай бұрын

hope you enjoyed it!

@rulebreaker8228 2 ай бұрын

Fascinating concept blending efficiency and security. Can’t wait to see the first iteration in action!

@IohkIo Ай бұрын

thank you @rulebreaker8228

@rian222 2 ай бұрын

This is great! I'm looking forward to seeing this built on Cardano!

@IohkIo Ай бұрын

thanks!

@joeydebra763 Ай бұрын

Nice explanation about the adverserial mitigation. That is what I call protocol design, looking from each angle! Nice work. If only some other chains would adopt this approach instead of rushing stuff out.

@IohkIo Ай бұрын

thanks!

@brianpackard9954 Ай бұрын

I look forward to see more of this content.

@IohkIo Ай бұрын

thanks for your feedback!

@ryanwdavies1 2 ай бұрын

Any thoughts on Leios througputmetics for mainnet?

@dzyanw Ай бұрын

Awesome ✨

@inserramealove Ай бұрын

🎉🎉🎉🎉

@jmbert0 2 ай бұрын

Interesting

@mcscbhandari1239 Ай бұрын

Great..

@IohkIo Ай бұрын

🙏

@alehyus Ай бұрын

👍

@GreatBritton Ай бұрын

This seems like a hybrid between IOTA tangle DAG and a traditional blockchain where each block has its own tangle / graph for the lifecycle of that block and the TXs are sorted and references are stored on the block instead of the transactions. Is this not just a rollup and where are the actual transaction detailed recorded / stored? I’m probably missing something, or maybe it’s outside the scope of this talk, but I would want to make sure the history is recorded somewhere?

@TheSlinq 2 ай бұрын

So this is a multi-headed block graph instead of a blockchain, right? To be honest, I thought that's what Hydra was going to be, so I'm a bit confused over the naming here. Can we have an explanation in English please? I've been a software developer for 30 years, but I don't speak academic.

@MrKennyBones Ай бұрын

Wondered myself, so I asked chatGPT. Please correct this if it’s wrong Ouroboros Leios modifies the base layer consensus protocol and blockchain structure to enhance throughput, whereas Hydra operates as a Layer 2 solution, creating off-chain state channels to process transactions. Leios requires substantial changes to the consensus mechanism and the introduction of new block types. Hydra, however, adds a supplementary framework that works alongside the main blockchain without altering its core protocols significantly

@TheSlinq Ай бұрын

@MrKennyBones that's my understanding of it yes. Hydra is definitely something separate (and largely useless, to me at least). It's not clear to me yet whether leios will be be a cardano hard fork, a side chain, an L2 or a completely separate blockchain.

@MrKennyBones Ай бұрын

@@TheSlinq Sounds like it’ll be a part of the L1, so that means part of an upcoming hard fork. Hydra is something each project must decide to use independently of the main layer

@medala100 Ай бұрын

Leios is on the main layer. Hydra is a specific L2 that solves specific scaling problems, like fast payments, gaming, betting and so on.

@JohnnyKelly Ай бұрын

More information on how Hydra L2 Solutions work is available here - m.kzfaq.info/get/bejne/g95nbM2Qkq62nZ8.html As others have said, Ouroboros Leios is a Hard Fork enduced complete overall of how the Base Layer (L1) Finalised Block Creation system will work.

@0xD201d Ай бұрын

According to this presentation: 5:50 NO HIGH-THROUGHPUT PROTOCOL PROVABLY SECURE OVER REALISTIC NETWORK AND AGAINST ADAPTIVE ADVERSARIES -- Do you guys understand what this means?

@medala100 Ай бұрын

The header says "previous work" That is the case WITHOUT ouroboros leios.

@0xD201d Ай бұрын

@@medala100 you've completely misinterpreted my comment, kudos

@medala100 Ай бұрын

@@0xD201d sry bro. :) it was kinda loosely phrased.

@andreisipos7523 Ай бұрын

Who thought this could be possible on Cardano

@urssiacampofrio6611 2 ай бұрын

What a fantastic ghost chain!

@urssiacampofrio6611 Ай бұрын

@@ceeap3680 exactly!

@knightblade87x Ай бұрын

Ignorant statement

@volgodark Ай бұрын

Mastering the craft of ghost engineering 👻🏆

@user-fl6hs5ln9h Ай бұрын

Must improve your pronunciation. Until then, speak more slowly and articulate vowels clearly.

@IohkIo Ай бұрын

Subtitles are available for the video, and users can adjust the playback speed using KZfaq's feature :)

@user-fl6hs5ln9h Ай бұрын

@@IohkIo that is not the point. Cardano is global, and official communications about its achievements or research must be clear, as well as it happens every monthly (Cardano 360). Tim is the face of IOHK and English RP is very welcomed . Tricks like slowing video’s pace and captions seem to be a lower standard practice for IOHK. Sorry. And, finally, that was a really constructive criticism from a person who admires all the efforts, difficulties and achievements so far.