Credit: Lee Campbell

Epicenter

Podcast on Blockchain, Ethereum, Bitcoin and Distributed Technologies

Epicenter is a podcast about the technologies, projects & people driving decentralization and the global blockchain revolution. Every week, hosts Brian Fabian Crain, Sebastien Couture and Meher Roy find the most interesting people in the industry for in-depth discussions about their projects, ideas and stories. Epicenter is part of the Let's Talk Bitcoin Network.

Podcast Episodes


#265 James Prestwich: Summa One – Cross-chain Financial Instruments and Contracts

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While trustless interactions on Ethereum are native to the protocol, trustless interactions between the Ethereum blockchain and other blockchains are difficult to implement. Interoperability protocols heavily rely on atomic swaps, which typically come with a free option problem.

For this episode we’re joined by James Prestwich, CEO at Summa. Summa designs and implements cross-chain financial contracts and instruments such as swaps, options, futures, and auctions. Summa recently conducted a dutch auction spanning the Bitcoin and Ethereum blockchains: Ethereum NFTs were auctioned off trustlessly to bidders on the Bitcoin network.

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#264 Nick Sullivan: Cloudflare – The Internet’s (De)centralized Security Blanket

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We enter dozens of trust relationships ever time we interact with the Web. Browsers, ISPs, DNS providers, cloud hosting companies, all the way down to the handful of people who control certificate root keys; we rely on the integrity of these intermediaries to serve reliable, and accurate information. The concentration of power by any one of these actors threatens to compromise the very foundational principles of the Web. Decentralized technologies, like Bitcoin, Ethereum, Tor, and IPFS seek to reverse this trend.

We’re joined by Nick Sullivan, Chief Cryptographer at Cloudflare. Founded less than 10 years ago, the company offers content delivery services (CND), DNS, and DDoS protection to over 12 million websites. The company contributes to open source cryptography libraries, some of which are used by Etherum.

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#263 Justin Drake: Ethereum’s Audacious Roadmap to Build a True World Computer

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The Ethereum vision has always been to create a world computer. But its scalability and performance limitations have meant that it has fallen far short of that vision. Yet, work on scaling Ethereum has exploded in breadth and complexity over the past years. From variants of PoS, to Plasma / Plasma Cash, sharding, EWASM, BLS signatures, everything has been on the table. While confusing on the surface, underneath a coherent vision for a new Ethereum that will scale near infinitely has emerged.

We were joined by Ethereum Researcher Justin Drake to discuss the Ethereum Serenity vision, its core components and the roadmap ahead.

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#262 Brian Behlendorf: Hyperledger – From Blockchain Hype to Production Networks

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Most observers of the ecosystem will probably agree that 2015-2017 were the years of the enterprise blockchain. It was during that time that many startups catering to enterprise were founded and funded, including Monax and Stratumn (where Brian and Sebastien previously worked). For the permissioned blockchain camp, adoption would come in the form of enterprise use cases, arguing that public networks carried too much risk, and lacked needed features like privacy. While much of the hype has subsided, large companies in every sector are forming consortia and leveraging blockchain to provide better process traceability and transparency, and reduce their reliance on third parties.

We’re joined by Brian Behlendorf, Executive Director of Hyperledger. When Brian was last on the show, he had recently started his role at the Linux Foundation. Now, two years later, Hyperledger has gone from a nascent project to a mature ecosystem of technologies with hundreds of members.

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#261 Ben Sharafian & Stefan Thomas: Coil – A New Business Model for the Web

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The difficulties of compensating content creators for their work has been a driving force of the web for decades. It gave rise to advertising-driven tech giants like Google and Facebook and contributed to the decline of industries like music and publishing.

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