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Zero Knowledge

Author: Fredrik Harrysson, Anna Rose

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Zero Knowledge is a podcast which goes deep into the tech that will power the emerging decentralised web and the community building this. The podcast is made for fellow developers and people looking to educate themselves on the inner workings of the space.
We are non-speculative and focus on the tech.
Zero Knowledge is hosted by Anna Rose and Fredrik Harrysson. Our views do not come from nor represent our companies.
Follow us at @fredhrson (https://twitter.com/fredhrson) & @AnnaRRose (https://twitter.com/AnnaRRose)
If you like the Zero Knowledge Podcast:
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Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast)
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117 Episodes
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In this week's episode, we catch up with our friends Tarun Chitra and James Prestwich at the Stanford Blockchain Conference. We chat about the Flashloan phenomenon & the recent arbitrage 'exploit'. We also catch up about the known challenges facing PoS systems, what EVM support means on other chains & more! Catch our previous episodes with Tarun and James here: https://www.zeroknowledge.fm/99 https://www.zeroknowledge.fm/61 https://www.zeroknowledge.fm/34 The tweet that Anna quotes in the episode is here -> https://twitter.com/bneiluj/status/1228757175595438080 If you want to join the zkSummit, happening on March 31st, Berlin, do get your application in here: https://forms.gle/WDhUCmowAEk2ymYa7 Thanks to this week's sponsor Nucypher (https://www.nucypher.com/)! Nucypher is currently looking for an engineering lead to work on a new open-source cryptosystem for privacy-preserving smart contracts. This is a new product and so you will get to work on some cool primitives like fully homomorphic encryption and zero knowledge proofs. For more about lead engineer role, check out the ad here: https://news.ycombinator.com/item?id=21693548 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we take the podcast in a slightly different direction and dive into Isogenies - a topic at the cutting edge of cryptography. We look at how they are related to VDFs and randomness generation. Our guest, Luca de Feo (http://defeo.lu/), one of the co-inventor of SIDH, helps us get an understanding for what Isogenies - or morphisms of algebraic groups - really are. Here are some useful links to check out: https://sike.org/ https://isogeny.org/ https://vdfresearch.org/ Some visualizations: https://isogenies.enricflorit.com/ Some blog posts: https://blog.intothesymmetry.com/2019/07/on-isogenies-verifiable-delay-functions.html https://www.esat.kuleuven.be/cosic/asiacrypt19-verifiable-delay-functions-from-supersingular-isogenies-and-pairings/ https://www.esat.kuleuven.be/cosic/elliptic-curves-are-quantum-dead-long-live-elliptic-curves/ https://www.esat.kuleuven.be/cosic/csidh-post-quantum-key-exchange-using-isogeny-based-group-actions/ https://www.esat.kuleuven.be/cosic/csi-fish-a-new-record-class-group-computation-and-fast-isogeny-based-signatures/
In this week's episode of the podcast, we catch up with Alex Glukowski (https://twitter.com/gluk64) of Matter Labs (https://twitter.com/the_matter_labs) to hear about zkSync (https://zksync.io/#overview), the latest iteration of their zkRollup implementation built to be a scaling and privacy engine for Ethereum. We also touch on the Redshift protocol, a new transparent zkSNARK system that emerged as a result of work on this system. Here are a few links that we mention: Previous episode on Matter Labs (https://www.zeroknowledge.fm/72) ZkSync and Redshift (https://medium.com/matter-labs/introducing-zk-sync-the-missing-link-to-mass-adoption-of-ethereum-14c9cea83f58) REDSHIFT: Transparent SNARKs from List Polynomial Commitment IOPs (https://eprint.iacr.org/2019/1400.pdf) Hotstuff paper (https://www.cs.unc.edu/~reiter/papers/2019/PODC.pdf) Give the Zero Knowledge Podcast some feedback. Whether you are a long-time listener or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/329/zero-knowledge-podcast-2) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we catch up with Christopher Goes, (https://twitter.com/cwgoes) IBC Lead at Tendermint (https://twitter.com/tendermint_team). We learn a bit more about the Cosmos Network ecosystem and his work on IBC. We then focus in on how he is thinking about zero knowledge proofs in the context of IBC like-interoperability constructions. We explore some of the ways in which zkps could be incorporated into different schemes for interoperability - including bridging, lightclient constructions, validity proofs and more. We mention the following episodes on Cosmos: Light Clients and ZKPs with Celo (https://www.zeroknowledge.fm/93) Diving into Cosmos with Sunny (https://www.zeroknowledge.fm/78) Give the Zero Knowledge Podcast some feedback. Whether you are a long-time listener or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/329/zero-knowledge-podcast-2) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
This week, we explore the Fractal transparent SNARK construction with its authors Dev Ojha (https://twitter.com/valardragon) and Nick Spooner (https://people.eecs.berkeley.edu/~spooner/) - both students of Alessandro Chiesa (https://people.eecs.berkeley.edu/~alexch/) at UC Berkeley. We explore how Fractal works, how it improves on some of the earlier work on Sonic (https://www.youtube.com/watch?v=oTRAg6Km1os) and Marlin, how it borrows from but differentiates itself from STARKs, as well as what they discovered while working on this paper about recursive SNARKs and what makes that property possible. Here is some of the material we touch on: Fractal Paper (https://eprint.iacr.org/2019/1076.pdf) Ariel Gabizon's episode (https://zeroknowledge/82) Eli Ben-sasson's episode (https://www.zeroknowledge.fm/96) Marlin Paper (https://eprint.iacr.org/2019/1047.pdf) Digging into recursive snarks (https://www.zeroknowledge.fm/54) Latest recursive SNARKitecture with Izaak Meckler from O(1)Labs (https://www.zeroknowledge.fm/113) Thank you to this week's sponsor Trail of Bits (https://trailofbits.com) Just recently, a critical vulnerability was found in the certificate validation functionality on Windows 10 and Windows Server 2016/2019 This bug allows attackers to break the validation of trust in a wide variety of contexts, such as HTTPS and code signing - Trail of Bits has developed a PoC exploit and put up a website Whose Curve is it Anyway (https://whosecurve.com/) that let's users test whether or not they are vulnerable. To learn more about this vulnerability and the Trail of Bits exploit, please check out this recent blog post entitled: Exploiting the Windows CryptoAPI Vulnerability (https://blog.trailofbits.com/2020/01/16/exploiting-the-windows-cryptoapi-vulnerability/). Also keep an eye on the ToB blog for security news and explanation pieces like this one. Thanks again Trail of Bits If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we catch up with Izaak Meckler from 0(1) Labs to talk about launching a recursive snark based incentivised test net, a recap of recursive SNARKs, updates on the working SNARKitecture, and a look at what's next for the project. We also touch on some new use-cases and ideas for how zkps may be a component in making computer programmes potentially more accountable to their users. Please listen to our earlier episode with Izaak and Evan (https://www.zeroknowledge.fm/54) to get a full picture of 0(1)Labs and the Coda project Here are a few of the other projects we mentioned! ZEXE (https://www.zeroknowledge.fm/85) Marlin (https://eprint.iacr.org/2019/1047.pdf) Fractal (https://eprint.iacr.org/2019/1076.pdf) Notes from the SNARKoconomicon (https://youtu.be/0u0XNfK8AJM) at the zkSummit Give the Zero Knowledge Podcast some feedback. Whether you are a long-time listener or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/329/zero-knowledge-podcast-2) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we learn more about Plonk (https://eprint.iacr.org/2019/953) with Ariel Gabizon (https://twitter.com/relgabizon) and Zac Williamson (https://twitter.com/Zac_Aztec) from Aztec (https://twitter.com/aztecprotocol). PLONK is a recent highly efficient, universal SNARK construction. We explore what distinguishes Plonk from some other other new constructions including their focus on Lagrange-bases to deconstruct complex problem statements into simple polynomial identities. This episode goes very deep and so we do recommend you check out a few of previous episodes to help you follow along! All mentioned can be found here along with the other deep zk-topic episodes: https://www.zeroknowledge.fm/zkseries Here is Justin Drake Polynomial commitment schemes (https://www.youtube.com/watch?v=bz16BURH_u8) study club video, as well as videos from the zkSummit on Marlin (https://youtu.be/bJDLf8KLdL0) and Supersonics (https://www.youtube.com/watch?v=nJPS_SWoplI) Ariel also mentions the Bayer groth permutation argument (www0.cs.ucl.ac.uk/staff/J.Groth/MinimalShuffle.pdf) which influenced their work. Thanks to this week's sponsor Nucypher (https://twitter.com/NuCypher)! On January 20th, NuCypher's incentivized testnet is launching on Coinlist. This incentivised testnet has the motto "Come and Stake It”! If you are interested, be sure to pre-register now (https://tsm.coinlist.co/nucypher-incentivized-testnet-terms-and-conditions/). Keep an eye on their blog (https://blog.nucypher.com/) for launch date, structure, and prize details. All winners will need to complete KYC/AML. Please go to nucypher.com (nucypher.com) to sign up. Thanks again Nucypher for sponsoring our show! If you like what we do: Follow us on Twitter - @zeroknowledgefm Join us on Telegram (https://gitcoin.co/grants/329/zero-knowledge-podcast-2) Support our Gitcoin Grant (https://gitcoin.co/grants/329/zero-knowledge-podcast-2) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we chat with the Roman Storm (https://twitter.com/rstormsf) and Roman Semanov (https://twitter.com/semenov_roman_) from Tornado.cash all about mixers. We explore what they are used for and how they work, how Zero Knowledge can be incorporated to provide more privacy, what the challenges are and what the future holds for the Tornado.Cash project. Here are some episodes or resources we mention: https://tornado.cash/ https://medium.com/@tornado.cash/tornado-cash-version-2-has-been-released-8c739d3706df https://github.com/tornadocash https://www.zeroknowledge.fm/50 (Episode with Zooko) Give the Zero Knowledge Podcast some feedback. Whether you are a long-time listener or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/329/zero-knowledge-podcast-2) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this end of year episode, we chat about what we've learned in 2019, some of our favourite episodes, this year's explosion in ZK research and what we are looking forward to in 2020! Thanks to Henrik José (https://de.linkedin.com/in/henrikjose/de) for updated jingle! We mention a number of episodes from this past year, have a look through our episodes here: https://www.zeroknowledge.fm/ For the Zk Specific episodes have a look here: https://www.zeroknowledge.fm/zkseries Give the Zero Knowledge Podcast some feedback. Whether you are a long-time listener or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/329/zero-knowledge-podcast-2) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, Anna sits down with Daniel Benarroch (https://twitter.com/BenarrochDaniel) and Aviv Zohar (https://twitter.com/Avivz78) from QEDIT (https://qed-it.com/) - a privacy software startup focused on bringing Zero Knowledge to enterprise customers. We chat about the power of zero knowledge proof systems, some of the emerging use cases using zk systems and The Zero Knowledge Standardization Effort (http://zkproof.org/). Here are some links we mention: Aviv's website (https://www.avivz.net/) Hilbert's problems - twenty-three unsolved problems in mathematics presented in 1900 (https://en.wikipedia.org/wiki/Hilbert%27s_problems) Give the Zero Knowledge Podcast some feedback. Whether you are a long-time listener or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
This week we catch up with Zaki Manian, Director at Tendermint (https://tendermint.com/), the company building Cosmos (https://cosmos.network/) architecture, and co-founder of Iqlusion (https://www.iqlusion.io/) Validator. We chat about the blockchain in Silicon Valley, why SF loves DeFi, the challenge of balancing pragmatism and regulation with a decentralised ideology, the nuances of PoS systems, the wins of 2019 and what is on the horizon. Here are links to a few things we discuss: -Tarun Chitra's paper (https://docsend.com/view/697feid) on how the existance of derivatives can undermine the security of a PoS system -Blog post summarizing Tarun's paper here (https://medium.com/dragonfly-research/how-defi-cannibalizes-pos-security-84b146f00697) -ZKValidator (https://zkvalidator.com/) Give the Zero Knowledge Podcast some feedback. Whether you are a long-time listener or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we catch-up our friend Lucas Vogelsang (https://twitter.com/lucasvo) from Centrifuge (https://centrifuge.io/). Centrifuge is an open, decentralized platform to connect the global financial supply chain. We chat about the journey Lucas took to co-founding this company, how privacy plays a role in his thinking and we discover what it means to be a project building with zkSNARKs today. We touch on a few previous episodes including: * Zooko talks Zcash on our 50th episode (https://www.zeroknowledge.fm/50) * Zokrates with Jacob Eberhardt (https://www.zeroknowledge.fm/41) * Circom & Snarkjs from the zkSummit zk0x03 (https://www.youtube.com/watch?v=-9TJa1hVsKA) Thanks to this week's sponsor Nucypher (https://www.nucypher.com/)! Nucypher is currently looking for an engineering lead to work on a new open-source cryptosystem for privacy-preserving smart contracts. This is a new product and so you will get to work on some cool primitives like fully homomorphic encryption and zero knowledge proofs. For more about lead engineer role, check out the ad here: https://news.ycombinator.com/item?id=21693548 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week's episode, we chat with Juan Benet (https://twitter.com/juanbenet), founder of Protocol Labs (https://twitter.com/protocollabs), about IPFS (https://ipfs.io/), Libp2p (https://libp2p.io/), and the much anticipated incentivised decentralised storage protocol Filecoin (https://filecoin.io/). We dig into the history of the Filecoin project, the gap in the “market” they are trying to fill, the challenges they have found in the development of the Filecoin protocol and the latest tech they are exploring. Here are some helpful links: https://ipfs.io/ https://libp2p.io/ https://filecoin.io/ https://protocol.ai/ https://protocol.ai/projects/#IPFS Decentralised storage pt 1 (https://www.zeroknowledge.fm/7) Orient (https://github.com/filecoin-project/orient) Decentralised storage pt 2 (https://www.zeroknowledge.fm/8) Arweave Decentralised Storage episode (https://www.zeroknowledge.fm/69) You can see some of the constraints and parameters for filecoin here: - https://filecoin-project.github.io/specs/docs/diagrams/orient/filecoin.dot.svg - https://filecoin-project.github.io/specs/#appendixorient - https://github.com/filecoin-project/specs/tree/master/src/orient Give the Zero Knowledge Podcast some feedback. Whether you are a long-time listener or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we catchup with Alan Szepieniec, a researchers at Nervos and co-author of the Supersonics (https://eprint.iacr.org/2019/1229.pdf) paper & the Marvellous family of Hash Functions (https://eprint.iacr.org/2019/426.pdf) (which specify the Vision/Rescue cyphers). We chat about his past work in cryptography, how the Supersonics paper came to be, and dive into the new generation of hash functions emerging, including the Marvelous universe. For more info, please have a look at these resources and past episodes! - Design of Symmetric-Key Primitives for Advanced Cryptographic Protocols (the Marvellous (Vision/Rescue) paper) (https://eprint.iacr.org/2019/426.pdf) - Transparent SNARKs from DARK Compilers (Supersonic paper) (https://eprint.iacr.org/2019/1229.pdf) - On a Generalization of Substitution-Permutation Networks: The HADES Design Strategy (https://eprint.iacr.org/2019/1107.pdf) - Competing designs for arithmetization-friendly hash functions - Starkad and Poseidon: New Hash Functions for Zero Knowledge Proof Systems (https://eprint.iacr.org/2019/458.pdf) - MiMC https://eprint.iacr.org/2016/492.pdf and attack https://eprint.iacr.org/2019/951.pdf - Jarvis and Friday, the first members of the Marvellous universe (may they rest in peace) https://eprint.iacr.org/2018/1098.pdf - ... and the Groebner basis attack that killed them: https://eprint.iacr.org/2019/419.pdf And here are some of the previous ZKP episodes that we mention: - Ben Fisch Episode (https://www.zeroknowledge.fm/88) - Benedikt Bunz Episode (https://www.zeroknowledge.fm/40) - Joseph Bonneau Episode (https://www.zeroknowledge.fm/103) - Eli Ben-Sasson Episode (https://www.zeroknowledge.fm/96) If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, Anna chats with Fredrik and Nicole Zhu (https://twitter.com/nczhu), Developer at Parity Technologies (https://www.parity.io/), about the experimental Polkadot Canary Network they call Kusama (https://kusama.network/). We cover how Kusama was developed, the goals of this format and what launching a Chaos Canary Network is all about. Here is a few more links: https://twitter.com/kusamanetwork https://kusama.network/ Zero Knowledge Podcast is also looking for some feedback! Whether you are a long-time listener of the Zero Knowledge Podcast, or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we sit down with Joseph Bonneau (http://jbonneau.com/), Assistant Professor at NYU and co-author on the Verifiable Delay Functions (VDFs) paper. We discuss VDFs, what they are, how they were developed and what they can be used for. Here are a few links that we reference: Blockchain 101: Randomness episode with Justin Drake (https://www.zeroknowledge.fm/74) Verifiable Delay Functions by Dan Boneh, Joseph Bonneau, Benedikt Bünz, and Ben Fisch (https://eprint.iacr.org/2018/601.pdf) vdfresearch.org (https://vdfresearch.org/) Numbers Game (https://en.wikipedia.org/wiki/Numbers_game) A Programmer Solved a 20-Year-Old, Forgotten Crypto Puzzle (https://www.wired.com/story/a-programmer-solved-a-20-year-old-forgotten-crypto-puzzle/) Bitcoin Book (http://bitcoinbook.cs.princeton.edu/) Thank you to this week's sponsor Trail of Bits (https://trailofbits.com) Trail of bit recently released a blog post that might be interesting for our listeners who are concerned about privacy. The post is about the concept of 'Safe browsing'. Safe browsing claims to protect users by providing them with something called k-anonymity. Recent security news suggests that the k-anonymity has failed at protecting user privacy in certain circumstances. This is the topic that Trail of Bits explores in the blog post. Find out more about how k-anonymity works and why it is insufficient here: https://blog.trailofbits.com/2019/10/30/how-safe-browsing-fails-to-protect-user-privacy/ If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we chat with Brandon Ramirez (https://twitter.com/RezBrandon), Research Lead and co-founder of The Graph (https://twitter.com/graphprotocol), about the problem the project is trying to solve, the fast evolving Layer1-Layer2 paradigm, the emerging group of Service Protocols, and how these projects interact with other elements of the Web3 stack. Introduction of GraphQL (https://medium.com/graphprotocol/graphql-will-power-the-decentralized-web-d7443a69c69a) The Graph protocol design (https://thegraph.com/blog/the-graph-network-in-depth-part-1) Talk on trust-minimized services (https://www.youtube.com/watch?v=j2rXJLW_93o&feature=youtu.be) More on Service Protocols from Arjun (NuCypher) (https://www.youtube.com/watch?v=V7A5zfw4_zw) More on Service Protocols from Yondon (LivePeer) (https://www.youtube.com/watch?v=Nurp3Foqf2w) Give us feedback!! Whether you are a long-time listener of the Zero Knowledge Podcast, or new to the show, we would love to hear from you! Please share your feedback with us here: https://forms.gle/LtQQyKJV6r7LrSND7 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch up with us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKP Patreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week’s episode, we chat with Yan Michalevsky (https://twitter.com/ymcrcat), CTO & Co-founder, Anjuna Security (https://www.anjuna.io/) about their work with TEEs, a continuation of topic we covered in episode 82 of this podcast (https://www.zeroknowledge.fm/82). In this episode, we go deeper and cover Intel SGX vs AMD memory, the risk profiles, tooling for TEEs, how zk techniques can be used alongside TEEs, applications of enclaves and how these techniques are being optimized for. Here are some of the ideas we covered: A Comparison Study of Intel SGX and AMD Memory Encryption Technology (https://caslab.csl.yale.edu/workshops/hasp2018/HASP18_a9-mofrad_slides.pdf)". CoSMIX: A Compiler-based System for Secure Memory Instrumentation and Execution in Enclaves (https://www.usenix.org/conference/atc19/presentation/orenbach) Talk on CoSMIX (https://youtu.be/fSn8nIy0eD0?t=43) Thank you to this week's sponsor O(1)Labs (https://o1labs.org/). O(1)Labs (https://o1labs.org/) is the company behind the Coda Protocol (https://codaprotocol.com/), the world’s first succinct blockchain, using recursive zero knowledge proofs to make cryptocurrency decentralized at scale. If you aren’t yet clear on recursive zkps, have a listen to an episode we did on the topic of recursive snarks with the co-founders of o1labs last year - https://www.zeroknowledge.fm/54 The Coda Testnet is live in Beta and has been consistently one of the most active testnets in crypto today. You can join their community of engineers, cryptographers, researchers and builders by visiting codaprotocol.com (https://codaprotocol.com/). Sign up for their newsletter to receive updates on Testnet progress, Mainnet launch and their forthcoming developer sdk. If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this, our special 100th episode of the Zero Knowledge Podcast, we caught up with Dan Boneh (https://twitter.com/danboneh), professor and researcher in applied cryptography and computer security at Stanford. In this far-reaching conversation, we talk about Dan's background in the field of cryptography, how the field has evolved over the years, his work on cryptography & blockchain education, where zero knowledge research and SNARKs in particular fits into the field, some exciting new research coming out of the Applied Cryptography Group at Stanford, what cryptographic and engineering problems he thinks we should be focused on solving, and more. This episode covered a lot of ground and even though we went overtime, there is still so much more to talk about. We hope to have Dan back on the show sometime soon! In the meantime, here are some resources that might help you explore some of the topics covered: Crypto Class MOOC Stanford (https://www.coursera.org/learn/crypto) zkRoll-up MatterLabs (https://github.com/matter-labs/rollup) Post-Devcon5 catch-up (https://www.zeroknowledge.fm/99) Linear PCP (Probabilitistic Checkable Proof) (https://en.wikipedia.org/wiki/Probabilistically_checkable_proof) Randomness episode with Justin Drake (https://www.zeroknowledge.fm/74) Applications of the Prio system at Mozilla (https://blog.mozilla.org/security/2019/06/06/next-steps-in-privacy-preserving-telemetry-with-prio/) True2F: Backdoor-resistant authentication tokens (https://arxiv.org/abs/1810.04660) Yubiko (https://www.yubico.com/) The supply chain attack we mentioned (https://www.bloomberg.com/news/features/2018-10-04/the-big-hack-how-china-used-a-tiny-chip-to-infiltrate-america-s-top-companies) MultiLinear Maps (https://en.wikipedia.org/wiki/Cryptographic_multilinear_map) Hellman Key Exchange (https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange) Tripartite Diffie–Hellman (http://cgi.di.uoa.gr/~aggelos/crypto/page4/assets/joux-tripartite.pdf) Quantum Computing (https://en.wikipedia.org/wiki/Quantum_computing) Stanford blockchain conference (https://cbr.stanford.edu/sbc20/) BLS (Boneh–Lynn–Shacham) signature scheme (https://en.wikipedia.org/wiki/Boneh-Lynn-Shacham) If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
In this week's episode, Anna catches up with Tarun Chitra (https://twitter.com/tarunchitra) (Gauntlet Networks (https://gauntlet.network/)), James Prestwich (https://twitter.com/_prestwich) (Summa (https://www.summa.one/)) and Georgios Konstantopoulos (https://twitter.com/gakonst) on the last day of Devcon5 (https://devcon.org/) in Osaka. In this special 99th episode, we cover a broad range of topics from their Devcon take-aways, emerging ideas in the ecosystem, the latest in PoS systems, Roll-up and DeFi, to the explosion in zero knowledge research, and more. We mention the following episodes, presentations and articles in our talk: James Prestwich talks Smart Contracts (https://www.zeroknowledge.fm/34) Tarun Chitra on Statistical modeling of PoS systems (https://www.zeroknowledge.fm/61) Light clients & ZKPs with Celo (https://www.zeroknowledge.fm/93) Ariah Klages-Mundt - (In)Stability for the Blockchain: Deleveraging Spirals and Stablecoin Attacks (https://www.youtube.com/watch?v=NxpsHA_5Lr4) Designing Smart Contracts With Free Will (https://devcon.org/agenda?talk=rechPV7dNxkinynjQ) Research paper: A model for Bitcoin’s security and the declining block subsidy - Hasu, Prestwich, Curtis (https://uncommoncore.co/research-paper-a-model-for-bitcoins-security-and-the-declining-block-subsidy/) On the Frontiers of Validation with Bison Trails (https://www.zeroknowledge.fm/80) Thank you to this week's sponsor Trail of Bits (https://trailofbits.com) Trail of Bits shared their review of this year's IACR Crypto Conference (https://www.iacr.org/meetings/crypto/) on the Trail of Bits blog (https://blog.trailofbits.com/2019/09/11/crypto-2019-takeaways/). They highlighted some of the major themes of the conference, including the importance of getting basic cryptographic primitives right and the ascendance of cryptographic tools for privacy-preserving computation such as Zero-knowledge proofs, secure multiparty computation, and secure messaging systems. For more on their thoughts from the conference and what they see on the horizon in their industry, check out the blog post here: https://blog.trailofbits.com/2019/09/11/crypto-2019-takeaways/ Our very own Zero Knowledge Summit is happening on Oct 26th. Spend the day with some of the best researchers and thinkers working on Zero Knowledge topics. Get your application in to attend here: https://forms.gle/ZouC15vhTguZ5azq9 If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Support our Gitcoin Grant (https://gitcoin.co/grants/38/zero-knowledge-podcast) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
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Comments (2)

Adam Malin

It's shocking to me how little people are aware of the Sia Network as a decentralized cloud storage provider. It's working right now and it's awesome!

Dec 13th
Reply

Jiasun Li

honey badger being fully asynchronous: how to reconcile with Fischer Lynch Patterson?

May 25th
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