Beyond the Code

• E83: Danielle Tichner on Deep Tech, Venture Building & Bitcoin L2s

  In this episode of Beyond the Code, Yitzy sits down with Danielle Tichner, founder of W Source, a deep-tech venture builder operating at the intersection of infrastructure, crypto, and global commercialization. Danielle shares her journey from a red-headed, left-handed, dyslexic kid trying to “fit in” to becoming a top negotiator at Philips Electronics and then building her own firm that helps complex technologies actually reach real markets.We dive into what “deep tech” really means, how W Source evolved from cross-border hardware advisory into software, crypto and full-blown venture building, and why Danielle only wants to work on hard, complex problems. From decentralized vault infrastructure like Lagoon to the emerging world of Bitcoin layer-2s (RGB, OP_CAT and more), she breaks down what she’s excited about, how she evaluates teams and tech, and why most projects underestimate go-to-market far more than they underestimate code.The conversation also detours into negotiation as an art of “perceived win-win,” cultural nuance in Asia and beyond, how to actually get value out of crypto conferences, and closes with Danielle turning the mic on Yitzy to ask whether our future will be governed by regulators or by code.Find Danielle on:LinkedIn: https://www.linkedin.com/in/danielletichner/X: https://x.com/danielletichner

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• E82: Make Ethereum Your Base Layer: EY’s Paul Brody on Leveraging Ethereum for Business

  EY’s Global Blockchain Leader Paul Brody joins Yitzy on Beyond the Code to peel back the curtain on how big companies really operate (“chaos on the inside”), why public blockchains beat private networks, and what it takes to ship serious enterprise workflows on Ethereum. We trace Paul’s zig-zagging path—Nigeria during a coup, Apple’s textbook S&OP, a Samsung prototype with a young Vitalik—to EY’s privacy stack (Nightfall/Starlight) and his “pragmatic ETH-maxi” thesis. Also: the lore behind EY’s most coveted swag.Paul on LinkedIn: https://www.linkedin.com/in/pbrody/Paul on X: https://x.com/pbrody Book — Ethereum for Business (in Plain English): https://www.amazon.com/Ethereum-Business-Plain-English-Generate-Management/dp/1954892101Buenos Aires event:⁠ https://luma.com/kylnbzb8EY Blockchain (Nightfall/Starlight code): github.com/eyblockchain ・ blockchain.ey.comTimestamps:00:00 EY boxer-shorts 😄07:06 Paul’s backstory: Africa studies → Nigeria mobile → first trip to Israel10:49 The coup, payroll, and a Swissair IOU13:35 “Chaos on the inside”: Samsung & big-company reality21:33 Apple’s S&OP masterclass (sales/marketing/supply chain in lockstep)33:48 Bitcoin → Ethereum: CES 2015 prototype with Vitalik; the light-bulb moment37:43 EY Blockchain: services + software; why zero-knowledge privacy mattered45:36 OpsChain, tokenizing “stuff,” notarization, contract manager; Xbox case study51:15 “Pragmatic ETH-maxi”: why standardization and network effects matter54:37 Enterprise Ethereum Alliance: becoming chair; back to public-chain roots56:50 ETH as an asset; closing notes & where to follow Paul

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• E81: MPC, Enclaves & Defense-in-Depth: Yehuda Lindell on Securing Crypto

  In this episode, Yitzy is joined by Yehuda Lindell—founder of Unbound Security (acquired by Coinbase), longtime professor and one of the earliest researchers in secure multiparty computation (MPC). We trace his journey from Australia to Israel and from theory to industry, then dive into how Coinbase secures customer assets using layered cryptography: MPC, secure enclaves, HSMs, cold elements, and rigorous review processes. Yehuda explains MPC in plain English (with a great DNA example), why “defense-in-depth” beats any single fortress, how insider threats are modeled, and what Coinbase’s production bar looks like. We also talk CS education in the age of AI, and why students should learn to program with AI rather than fear it. Yehuda closes with a pointer to CB-MPC, Coinbase’s open-source MPC engine, and a broader call for rigor when turning cryptography papers into production systems.Resources and Links:Yehuda on LI: https://www.linkedin.com/in/yehudalindell/ Yehuda on X: https://x.com/LindellYehudaCoinbase's CB-MPC library: https://github.com/coinbase/cb-mpc Timestamps:00:00 — Intro & Yehuda’s background05:43 — What is cryptography (for non-experts)16:00 — MPC 101 (privacy, correctness, shard thresholds)19:36 — Real-world key splitting; surviving full IT compromise23:38 — Coinbase’s defense-in-depth philosophy24:34 — What secure enclaves are (and side-channel realities)28:52 — Cold elements, cross-domain guards, layered participants31:31 — Coinbase’s production bar & independent reviews35:54 — CS, AI, and training “with” AI41:59 — CB-MPC and parting advice

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• E80: Steve Epstein on Post-Quantum Cybersecurity, Breaking RSA, and Saving Blockchains

  In this episode of Beyond the Code, Yitzy sits down with Steve Epstein — a distinguished systems/cybersecurity & AI engineer with roots at Bell Labs (alongside Peter Shor & Lov Grover), decades at NDS/Cisco/Synamedia, and currently working at Rafael, in Israel’s defense sector.Steve explains, in plain English, why quantum computing threatens today’s internet (RSA, ECDH, ECDSA), what Q-Day means, and when [it might be] coming, and how post-quantum cryptography (PQC) must be rolled out across clouds, hardware, supply chains, and especially blockchains.We cover the journey from satellite-TV smart cards and anti-piracy cat-and-mouse, to Netflix’s cloud migration and account-sharing detection (one of Steve’s 40–50 patents), to the stark reality of “harvest-now, decrypt-later”. Bottom line: crypto agility and PQC migration have to start now if we want banking, messaging, and crypto ledgers to survive the 2029–2035 Q-Day window.Topics & Timestamps00:00 Intro — who is Steven Epstein (Bell Labs → NDS/Cisco → Rafael; 40–50 patents)07:45 Smart cards, satellite TV security, and why hardware upgradability mattered12:20 Cloud era: Netflix, AWS, microservices — and the collapse of legacy pay-TV models18:45 Piracy at scale: finding and knocking down illegal streams (and why it barely works)23:30 Quantum 101: Shor’s algorithm, RSA/ECDH/ECDSA risk, Q-Day timelines31:40 PQC overview: Kyber, Dilithium, Falcon, SPHINCS+, HQC; crypto-agility in practice36:50 Harvest-now/decrypt-later and why blockchains are uniquely exposed41:50 Migration realities: cars, routers, military systems, supply chains47:30 What to do now: prioritize PQC for wallets, ledgers, key exchanges, and messaging

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• Roy Keidar at #BlockchainExpert25

  On September 15, 2025, Yitzy's crypto-centric lawfirm, DLT LAW, sponsored the Blockchain Expert conference in Airport City, Israel. During the conference, Yitzy recorded a series of interviews with entrepreneurs and legal professionals. In this conversation, Yitzy interviews Roy Keidar, a leading partner in Arnon Tadmor-Levy's Emerging Technologies and AI Department, about his journey in the blockchain and crypto space, his experiences with emerging technologies, and the integration of AI in legal practices. They discuss the rapid evolution of technology, the importance of curiosity, and the future of law in a tech-driven world.

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