S16 E64: Alex Chepurnoy on Ergo & Bitcoin Smart Contracts

Alex Chepurnoy is a cryptographer & researcher who famously wrote a Bitcoin client in Haskell in only 3600 lines of code. He is currently working on Ergo, a proof of work blockchain which improves upon Bitcoin's design in order to achieve smart contracts and DeFi. How does it work? Let's find out! Time stamps: 00:01:11 Introducing Alex Chepurnoy 00:01:51 Alex’s Bitcoin Discovery & Early Development 00:02:37 Namecoin, SmartContract.com, and Cardano Involvement 00:05:15 Satoshi Theories & Code Analysis 00:07:00 Rewriting Bitcoin & Distributed Systems Perspective 00:08:39 Consensus Protocols & Altcoin Proliferation 00:10:20 Bitcoin’s Early Appeal & Peer-to-Peer Motivation 00:14:08 Bitcoin’s Revolutionary Monetary Model 00:15:45 Staying in Crypto: Problems to Solve 00:17:19 Bitcoin as Digital Gold & Smart Contracts 00:21:29 Ethereum vs. Bitcoin: Contractual Capabilities 00:23:02 Ergo’s Approach: Contracts & Protocol Upgrades 00:26:56 Namecoin’s History & Technical Innovations 00:31:10 Merged Mining & Sidechain Politics 00:34:35 Early Bitcoin Contributions & BTC Scala Client 00:38:49 Conference Presentations & ZeroJoin 00:41:49 Demurrage, Storage Rent, and Bitcoin Upgrades 00:45:01 NFTs, Inscriptions, and Bitcoin Community Divisions 00:50:10 Hard Forks, Immutability, and Ethereum Classic 00:55:17 Markets, Transaction Fees, and Bitcoin’s Security Budget 00:57:59 Lightning Network Limitations & Off-Chain Cash 01:01:58 Challenging Bitcoin’s Scaling & Off-Chain Solutions 01:06:38 Ergo’s Protocol Design & Civil War Lessons 01:08:25 Ergo’s Innovations for Bitcoin 01:15:38 Quantum Resistance & Hard Fork Challenges 01:19:51 Consensus Cleanup & Upgrade Difficulties 01:23:10 Community Proposals & Development Gridlock 01:25:07 Alex’s Tech Stack & Personal Devices 01:31:07 Satoshi’s Identity & Coding Style 01:38:34 NXT, Bitcoin 2.0, and Ethereum’s Success 01:45:35 Proof of Work vs. Proof of Stake 01:50:44 Philosophy of Proof of Work & Fair Distribution 01:53:09 VCs, Token Dumps, and Proof of Work Revival 01:54:16 Proof of Stake Attacks & Network Resilience 01:59:20 Ergo’s Network Parameters & Smart Contracts 02:21:17 Privacy Features: Mixers & Stealth Addresses 02:28:40 Monetary Policy, Emission, and Pre-mine 02:34:09 Monero vs. Zcash: Community & Funding 02:48:03 Bridging Blockchains & Rosen Bridge 02:51:04 Peer-to-Peer Finance & Smart Contract Design 02:53:57 Future Vision: Interconnected PoW Blockchains 02:56:41 Double Merged Mining Sidechains 03:17:45 Community Resources & Getting Involved 03:20:11 Conclusion & Final Thoughts

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