

Epicenter - Learn about Crypto, Blockchain, Ethereum, Bitcoin and Distributed Technologies
Epicenter Media Ltd.
Epicenter brings you in-depth conversations about the technical, economic and social implications of cryptocurrencies and blockchain technologies. Every week, we interview business leaders, engineers academics and entrepreneurs, and bring you a diverse spectrum of opinions and points of view.
Epicenter is hosted by Sebastien Couture, Brian Fabian Crain, Friederike Ernst, Meher Roy and Felix Lutsch. Since 2014, our episodes have been downloaded over 8 million times.
Epicenter is hosted by Sebastien Couture, Brian Fabian Crain, Friederike Ernst, Meher Roy and Felix Lutsch. Since 2014, our episodes have been downloaded over 8 million times.
Episodes
Mentioned books

Jan 24, 2019 • 1h 30min
Martin Köppelmann & Matan Field: How the dxDAO could become the world’s largest organization
The concept of DAOs has been captivating to many in the crypto space for years. When “The DAO” was created in 2016, in the few weeks of its existence and despite obvious flaws, it gather tremendous momentum and amassed 14% of the entire ether supply. Since then the technology has matured and Martin and Matan argue that the time for DAOs has finally arrived.
We were joined by DAOstack Founder Matan Field and Gnosis Founder Martin Köppelmann. We talked about the decentralized exchange protocol DutchX. We also talked about how the two projects together created the dxDAO, which will manage the DutchX protocol, but could go onto its own path. A path that could even lead to being the DAO for all of DeFi.
Topics covered in this episode:
The unifying vision behind the various Gnosis projects
Why Gnosis decided to build decentralized exchange protocol DutchX
DutchX’s usage of batch auctions to provide good prices and liquidity for any market
Incentivizing market makers with the Magnolia token
Why the DutchX needs a DAO
The role of Reputation in the dxDAO
How Reputation will be distributed
Why DAOs unlike companies could become more efficient as they grow
How the dxDAO could become the biggest organization on earth in the next 10 years
How one can get involved in the dxDAO
Episode links:
dxDAO Website
Joint AMA: Martin Köppelmann & Matan Field - dxDAO
DAOtalk.org
Introducing the dxDAO
A brief discussion of the protocol governing the dxDAO
The DutchX as an Open Protocol
Thank you to our sponsors for their support:
Simplify your hiring process & access the best blockchain talent . Get a $1,000 credit on your first hire at toptal.com/epicenter.
This episode is hosted by Brian Fabian Crain and Sunny Aggarwal. Show notes and listening options: epicenter.tv/271

Jan 15, 2019 • 56min
Looking Back on 5 Years of Epicenter
Epicenter turned 5 years old this month – that’s a long time in the blockchain space! When the podcast began in January 2014, the entire ecosystem was made up of only Bitcoin and a handful of altcoins. Soon after, the Ethereum white paper was published which ushered in a new era of crypto assets and decentralized applications. Since then, we have released 270 episodes and interviewed some of the leading thinkers, entrepreneurs, and engineers in the blockchain and cryptocurrency industry. Needless to say, we have learned a lot about the blockchain industry, but also what it takes to run a successful podcast in this space.
This week, we look back on the early days of Epicenter and how the podcast has evolved over the years. We also answer your questions in our first ever AMA. Finally, we take stock of 2018 and the trends that marked this past year.
Thank you to our sponsors for their support:
Deploy enterprise-ready consortium blockchain networks that scale in just a few clicks. More at aka.ms/epicenter.
This episode is hosted by Brian Fabian Crain, Friederike Ernst, Sébastien Couture and Sunny Aggarwal. Show notes and listening options: epicenter.tv/270

Jan 8, 2019 • 1h 7min
Joseph Lubin: ConsenSys – The Distributed Incubator which Jumpstarted the Ethereum Ecosystem
We’re joined by Joseph Lubin, Founder and CEO of ConsenSys. Joseph founded ConsenSys as an Ethereum development studio on the heels of the Ethereum crowd sale in 2014. The company has since grown to a distributed organization of over 1,000 people. Over 50 companies and projects have emerged from ConsenSys, including Metamask, uPort, Gnosis, and GitCoin, to name only a few. Today, the company continues to invest in growing the Ethereum ecosystem by funding projects, and through consulting services for companies and institutions.
Topics covered in this episode:
Joseph’s background working as a technologist in the financial industry
How he discovered Bitcoin in 2011
What lead Joseph to meet Vitalik Buterin and the founding Ethereum team
How he founded ConsenSys and the company’s vision
The company’s impressive growth and output
The recent round of layoffs at ConsenSys
How he thinks blockchain can change the world for the better
His advice to companies feeling the pressure of the current bear market
Joseph visiton for the future of ConsenSys and Ethereum
Episode links:
ConsenSys website
The Prophets of Cryptocurrency Survey the Boom and Bust (The New Yorker)
The Uncanny Mind That Built Ethereum (WIRED)
ConsenSys Monthly Report — November 2018
A Prehistory of the Ethereum Protocol
Joseph Lubin on Twitter
Thank you to our sponsors for their support:
Simplify your hiring process & access the best blockchain talent . Get a $1,000 credit on your first hire at toptal.com/epicenter.
Deploy enterprise-ready consortium blockchain networks that scale in just a few clicks. More at aka.ms/epicenter.
This episode is hosted by Friederike Ernst and Sébastien Couture. Show notes and listening options: epicenter.tv/269

Jan 1, 2019 • 1h 8min
Andy Bromberg: CoinList – Capital Formation for the Crypto Industry
When token sales and ICOs took off in 2017, most projects chose to push ahead despite large regulatory risks. One of the few that went the other direction and put compliance first was CoinList. The platform made its debut by running the massive Filecoin token sales in which $205m was raised from accredited investors. CoinList also played a major role in popularizing the SAFT and creating tools to efficiently and legally raise in the US.
We were joined by CoinList President and Co-founder Andy Bromberg to discuss the history of CoinList, token sales, securities regulation and the potential of security tokens.
Topics covered in this episode:
How Andy became interested in Bitcoin and co-founded the Stanford Bitcoin Club
The Filecoin token sale and CoinList’s genesis story
CoinList’s due diligence for listing projects
Why they created a whitelabel token sale offering
The regulatory framework under which CoinList token sales take place
The logic behind the SAFT (Simple Agreement for Future Tokens)
How a token could transition from security to non-security
The recent SEC crackdown on projects that did ICOs
CoinList’s stance on security tokens
Episode links:
CoinList Website
Introducing CoinList
The Current State of Initial Coin Offerings
Introducing Airdrops by CoinList
The SEC reiterates their stance on crypto
Andy Bromberg on Twitter
Thank you to our sponsors for their support:
Deploy enterprise-ready consortium blockchain networks that scale in just a few clicks. More at aka.ms/epicenter.
This episode is hosted by Brian Fabian Crain and Friederike Ernst. Show notes and listening options: epicenter.tv/268

Dec 25, 2018 • 1h 4min
Nadav Hollander: Dharma – A protocol for tokenized debt
Lending is one core pillar of the economy, enabling one person or company to be entrepreneurial with someone else’s capital. However, in the traditional banking system processes in lending are often opaque and the barrier to entry into this market is high. The emergence of easy to use Decentralized Finance is one of the hallmarks of 2018: To date, DeFi has brought us crypto-collateralized stable coins, decentralized exchanges, tokenized credit default swaps, trustless derivatives, and decentralized margin lending.
We’re joined Nadav Hollander, co-founder and president of Dharma. Dharma is a decentralized protocol for credit products which connects debtors with creditors through a transparent mechanism. The protocol itself is agnostic towards the collateral and terms used, however, the team recently introduced a crypto-collateralized margin lending application running on top of the Dharma protocol, Dharma Lever.
Topics covered in this episode:
Nadav’s background and how he became interested in both blockchain technology and debt
The vision behind distributed lending
The mechanics of the Dharma protocol
The role of underwriters in the Dharma protocol
Dharma lever, an application for margin lending on the Dharma protocol
Dharma’s business model
The future of decentralized finance
Episode links:
Dharma
Dharma Lever
Introducing Dharma Lever (article)
Request For Blockchain Lending Startups (article)
Current and Future Approaches to Unsecured Lending in Dharma Protocol (article)
Dharma protocol: Debt & Liquidity for ETH (video)
Thank you to our sponsors for their support:
Deploy enterprise-ready consortium blockchain networks that scale in just a few clicks. More at aka.ms/epicenter.
This episode is hosted by Brian Fabian Crain and Friederike Ernst. Show notes and listening options: epicenter.tv/267

Dec 18, 2018 • 1h 18min
David Andolfatto: The Impact of Central Bank Digital Currencies on the Banking Sector
Since the rise of digital currencies and cryptocurrencies, central banks are considering the role these new forms of money may play in our evolving digital economy. One of the ideas studied is the notion of a central bank digital currency. While people and companies can hold central bank liabilities in the form of cash, only licensed banks have access to digital cash accounts with central banks.
We’re joined by David Andolfatto, VP of Research at the Federal Reserve Bank of St. Louis. David was previously on the podcast to discuss his idea for Fedcoin, a central bank issued cryptocurrency. In a recent paper, he explores the impact central bank digital currencies may have on the monopolistic banking sector.
Topics covered in this episode:
The state of central bank research on digital currencies and cryptocurrencies
The idea that central banks may hold Bitcoin reserves
David’s new paper on the impact of central bank digital currencies (CBDC)
The potential impacts of CBDC’s on the banking sector and our economy
The role of fractional reserve banking in our economy
How fractional reserve banking applies to cryptocurrencies
The Debreu model and the need for money in an entirely liquid market
David’s outlook for the future of Bitcoin and cryptocurrencies
Episode links:
Assessing the Impact of Central Bank Digital Currency on Private Banks (paper)
Smart Contracts and Asset Tokenization (article)
My perspective on the Bitcoin Project (article)
The Trust Machine: The Story of Bitcoin (article)
Fedcoin: On the Desirability of a Government Cryptocurrency (article)
David's last appearance on the podcast
Thank you to our sponsors for their support:
Simplify your hiring process & access the best blockchain talent . Get a $1,000 credit on your first hire at toptal.com/epicenter.
This episode is hosted by Brian Fabian Crain and Sébastien Couture. Show notes and listening options: epicenter.tv/266

Dec 12, 2018 • 1h 8min
James Prestwich: Summa One – Cross-chain Financial Instruments and Contracts
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. We also discuss Riemann, a framework for deploying transaction scripts to UTXO-based chains, as well as the advantages of the predictability of transactions in UTXO-based chains and how to bring some of those advantages to Ethereum smart contracts.
Topics covered in this episode:
James background in Japanese and how he became interested in blockchain
James contributions to Bitcoin Script
Summa’s recent cross-chain auction in which Ethereum NFTs were auctioned off to participants on the bitcoin network
Riemann, a framework for deploying script based transactions to UTXO blockchains
Atomic swaps leading to free options
Advantages of transaction predictability in UTXO based chains
Episode links:
Summa Website
Cross-chain Auctions via Bitcoin Double Spends (article)
Statesless SPV (article)
Declarative Smart Contracts (article)
Introducing Reimann (article)
James Prestwich on Twitter
Thank you to our sponsors for their support:
Deploy enterprise-ready consortium blockchain networks that scale in just a few clicks. More at aka.ms/epicenter.
This episode is hosted by Friederike Ernst and Sunny Aggarwal. Show notes and listening options: epicenter.tv/265

Dec 4, 2018 • 1h 20min
Nick Sullivan: Cloudflare – The Internet’s (De)centralized Security Blanket
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. They recently launched an IPFS gateway and features which allow users to have strong guarantees as to the integrity of the content.
Topics covered in this episode:
Nick’s background as a cryptographer and previous position at Apple
The Internet’s infrastructure and trust model
How Cloudflare is experimenting with IPFS
The challenges to hosting static websites with IPFS
Cloudflare’s Onion routing service (Tor) and the benefits to users
The Roughtime protocol and encrypted SNI
Cloudflare’s contribution to open-source cryptography libraries
The vulnerabilities of DNS and Cloudflare’s free private DNS service (1.1.1.1)
Episode links:
Welcome to Crypto Week (article)
Roughtime: Securing Time with Digital Signatures (article)
Introducing CFSSL - CloudFlare's PKI toolkit (article)
End-to-End Integrity with IPFS (article)
Introducing the Cloudflare Onion Service (article)
Cloudflare's Distributed Web Gateway
Nick Sullivan's website
Thank you to our sponsors for their support:
Deploy enterprise-ready consortium blockchain networks that scale in just a few clicks. More at aka.ms/epicenter.
This episode is hosted by Sébastien Couture and Sunny Aggarwal. Show notes and listening options: epicenter.tv/264

Nov 27, 2018 • 1h 12min
Justin Drake: Ethereum’s Audacious Roadmap to Build a True World Computer
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. A particular focus was the beacon chain, the role of randomness and Verifiable Delay Functions.
Topics covered in this episode:
Justin’s previous project building on top of Open Bazaar
Why he made the switch from application development to Ethereum consensus research
The high-level vision for Ethereum 2.0 / Serenity
The Ethereum Serenity roadmap to scaling the world computer by 1m times
The crucial role of the beacon chain
The difference between Ethereum Serenity and Polkadot
The role of randomness in making Ethereum Serenity work
The limitations of existing trustless sources of randomness
How Verifiable Delay Functions can be used to create better randomness
The Ethereum Foundation plans to develop an open-source VDF ASIC
Episode links:
DevCon4 Talk by Justin Drake about VDF & Randomness
DevCon4 Talk by Vitalik Buterin about Ethereum 2.0
VDF Research
Minimal VDF randomness beacon - Sharding - Ethereum Research
Ethereum Project
Two Point Oh: Explaining Validators
Two Point Oh: The Beacon Chain
Thank you to our sponsors for their support:
Deploy enterprise-ready consortium blockchain networks that scale in just a few clicks. More at aka.ms/epicenter.
This episode is hosted by Brian Fabian Crain. Show notes and listening options: epicenter.tv/263

Nov 20, 2018 • 1h 21min
Brian Behlendorf: Hyperledger – From Blockchain Hype to Production Networks
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. With dozens of networks in production, and backed by companies like IBM, Hyperleger is the most widely used blockchain technology for permissioned networks.
Topics covered in this episode:
The most important developments in Hyperledger in the last two years
Hyperledger’s family of technologies
Production networks on Hyperledger
How Hyperledger Fabric differs from Tendermint and Ethereum
The evolution of the enterprise blockchain ecosystem
The separation between the permissioned and public blockchain ecosystems
Industry use cases for Hyperledger Fabric
Brian’s skepticism about ICOs and tokens
The growing Hyperledger community and upcoming Global Forum in Basel this December
Episode links:
Hyperledger website
Hyperledger Global Forum
http://sdxcentral.com
Unbounded - To Network with Networks
Pittsburgh, Cincinnati, Chicago and St. Louis Railroad - Wikipedia
Thank you to our sponsors for their support:
Simplify your hiring process & access the best blockchain talent . Get a $1,000 credit on your first hire at toptal.com/epicenter.
This episode is hosted by Brian Fabian Crain and Sébastien Couture. Show notes and listening options: epicenter.tv/262


