https://watchz.cash/videos/watch/e38aa428-09e4-49de-b6db-1737c85728c0 Part 1: a technical description of the Crosslink 2 protocol and how it compares to other proposed hybrid PoS/PoW consensus protocols. Part 2: possible roads to PoS for Zcash. Slide Deck: https://drive.google.com/file/d/1OIjKAE12MrZWEbu6TeEO0MfClrjAUT6a/view?usp=sharing *Please note, some of the math renders with superscripts a little out-of-place, but should still be readable. TFL Book: https://electric-coin-company.github.io/tfl-book/ Ebb-and-Flower Paper: https://eprint.iacr.org/2020/1091 Python-typed TFL Network Simulator: https://github.com/Electric-Coin-Company/simtfl Simpy Discrete Event Simulator: https://simpy.readthedocs.io/en/latest/ Simulator Graph: https://zcash.github.io/developers/zcash-tfl-dag Design being worked on in the “TFL book” repo: https://github.com/Electric-Coin-Company/tfl-book Technical Level: Advanced Timestamps: 0:00 Intro 00:45 Acknowledgements 01:07 What is a black chain? 03:10 Open Economic Computation 04:54 Why Proof-of-Stake, then? 08:31 Why Hybrid PoW/Pos as a first step? 11:25 Goals and Requirements - Uses Cases 13:37 Q?: Will PoS impact ZEC? 13:57 Q?: Crosslink a PoW alternative for other blockchains? 15:36 Q?: Opinion on Etherum’s Whisk? 16:18 Goals and Requirements - Stability/Security 19:03 ECC’s Proposed Design 21:27 Q?: Why focus on this? 22:45 Simplified Motivation for Crosslink 25:20 Crosslink 27:54 What is a BFT protocol? 32:09 Why do we need a BFT protocol? 34:17 Security and Performance Goals of Crosslink 39:00 Bounded Availability and Safety Mode 41:17 Why retain Zcash’s PoW for now? 42:32 Brief background on stake-weighted BFT 45:24 Crosslink 2* 46:37 Q?: Crosslink paper? 47:15 How does Crosslink 2* work? 53:33 Security Assumptions 54:45 Security Theorems for Log(fin) 56:01 What’s Next? 56:06 Simulator in Python 57:30 Q?: Zcashd/Zebrad Proof of Concept Status?? 58:02 Zebra Prototype 58:30 Open design issues 59:54 Plan to Prototype on Transient Testnests 1:00:42 How to contribute? Speaker: -Daira-Emma Hopwood is the R&D Engineering Manager for ECC, lead author of the Zcash protocol spec, and co-designer of the Zcash shielded protocols, the Halo 2 proof system, and the SPHINCS post-quantum signature scheme. Ze is also an activist for trans and disabled rights and an organiser of Manchester Trans Pride. Bluesky: @daira Livestream and video production support from Ryan Taylor and AV Club Zcon 5 - ZconV - Zcash: Unified Zcash conference 2024 May 6-10 #zcash #crypto #cryptocurrency #cryptography #cryptonews #blockchain #blockchaintechnology #cryptocurrencies #cryptocommunity Mon, 19 Oct 2026 16:49:53 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://watchz.cash https://watchz.cash/lazy-static/avatars/d9835cea-0da7-47f5-8d2b-16ab7ff35c55.png https://watchz.cash/videos/watch/e38aa428-09e4-49de-b6db-1737c85728c0 All rights reserved, unless otherwise specified in the terms specified at https://watchz.cash/about and potential licenses granted by each content's rightholder.