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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

May 2, 2017 • 57min
Carl Bennetts & Jarrad Hope: Status – The Mobile Ethereum Client
The road to mainstream adoption of blockchain technologies is a long one. Although the user experience of wallets has greatly improved since the dark days of command-line only interfaces, decentralized applications continue to struggle with onboarding non-technical users.
Jarrad Hope and Carl Bennetts, join us to discuss Status, a mobile Ethereum client which aims to turn the standard wallet experience on its head. At its core, Status is a mobile instant messenger client that leverages the Whisper protocol for secure peer-to-peer communication. Through its familiar messaging interface and elegant design, users can chat and send Ether directly in the app. As the first implementation of Ethereum’s Light Client Protocol, users may also use decentralized applications such as uPort, Gnosis and Aragon on their mobile phones. Built as an open source project, Status’ developer platform also allows developers to easily port their Dapps to the app.
Topics covered in this episode:
Jarrad and Carl’s background and journey to the Ethereum space
Status’ vision for a friendly, mobile Dapp client
Status’ technical architecture
How Status leverages Ethereum’s Light Client and Whisper protocols
The Status user experience and feature set
Jarrad and Carl’s views on privacy and how Status fulfils their goal of privacy by default
The long term vision for a Status Network
The project’s roadmap and business model
Episode links:
Status: The Mobile Ethereum Client
Status Reddit
This episode is hosted by Meher Roy and Sébastien Couture. Show notes and listening options: epicenter.tv/181

Apr 25, 2017 • 1h 4min
Mano Thanabalan: Otonomos – Simplifying Incorporation and Automating Corporate Governance
Anyone who has ever started a company knows just how tedious that process that can be. Whether it’s establishing a shareholder’s agreement, defining the company’s constitutional structure, raising funds, or transferring shares, corporate governance procedures remain largely paper-based, requiring validation from multiple stakeholders, and their lawyers. Blockchain technologies, and specifically smart contracts, provide the rails upon which these processes can be digitized and streamlined, reducing operational costs, eliminating errors and automating menial tasks.
Manu Thanabalan, CTO of Otonomos, joins us to discuss how his company is leveraging smart contracts to accelerate incorporation and automate corporate governance. Otonomos provides the tools and services which allow for anyone to start a company in any of the jurisdictions they support. Using their platform, founders are able to define board members and issue shares, while captables are kept up-to-date in real-time. Day-to-day governance mechanisms and standard procedures such as voting and share transfers are automated through a smart contact, which complies with local jurisdictional regulation.
Topics covered in this episode:
Mano’s background as a quantitative trader and how he transitioned into blockchain
The fundamental problem Otonomos is addressing
How we may be able to unlock a tremendous amount of value by liberating shares currently locked in private companies
Leveraging smart contracts to automate standardized corporate legal procedures
The types of constitutional rules which can be digitized and automated with smart contracts
The ability to simplify accounting and auditing with Otonomos
The Otonomos technology stack
The current state of Otonomos and their product roadmap
Episode links:
Otonomos Website
This episode is hosted by Meher Roy and Sébastien Couture. Show notes and listening options: epicenter.tv/180

Apr 18, 2017 • 1h 4min
Thomas Voegtlin: Blocksize, Bitcoin Unlimited, ASICBoost and Activating SegWit
Years into the great Bitcoin scaling debate no solution is in reach. Neither bigger blocks nor Segregated Witness have anywhere near consensus support. With the conflict escalating, a Bitcoin fork has become a real possibility.Electrum Developer Thomas Voegtlin joined us to discuss the state of the Bitcoin scaling debate. We discussed Bitcoin Unlimited, ASICBoost, SegWit activation without miner support and how a Bitcoin fork could play out. Possible outcomes include that Bitcoin Unlimited gains a majority of hashing power and starts mining bigger blocks. In the event of a fork, a proof-of-work change could be done to defend the minority chain from miner attacks. And lately a proposal was brought forward to activate SegWit without the support of the hashing power.Topics discussed in this episode:ASICBoost and its potential role in the conflictHow a Bitcoin fork could happenHow to split coins in case of a forkHow UASF could be used to activate SegWit without miner supportRequirements for UASF to be safeHow Electrum would handle a forkEpisode links:Electrum Bitcoin WalletASICBoost – Hacker NoonBitcoin's New Controversy: The AsicBoost Allegations Explained - CoinDeskTimo Hanke on ASICBoost and SegWit Non-ActivationFrom AsicBoost to UASF: Greg Maxwell on Bitcoin's Path Forward - CoinDesk[bitcoin-dev] Thomas Voegtlin: Soft Fork Threshold Signaling ProposalUASF Working Group[bitcoin-dev] Greg Maxwell: I do not support the BIP 148 UASFThomas Voegtlin: Electrum, SPV Wallets And Bitcoin Aliases — EpicenterThis episode is hosted by Brian Fabian Crain and Sébastien Couture. Show notes and listening options: epicenter.tv/179

Apr 11, 2017 • 1h 8min
Gilles Fedak: iExec – Blockchain-Based Fully Distributed Cloud Computing Infrastructure
For decades, science and academia have leveraged distributed computing to solve massive computational problems. Distributed grid computing schemes allow donors to volunteer their desktop computer’s idle resources toward scientific projects in physics, biology, and chemistry, where large amounts of parallel computing resources are necessary. Relying on software like BONIC, these networks provide features such as built-in fault tolerance and result verification. And with the proliferation of mobile and IoT, the potential for massively distributed grid networks has never been greater.
Gilles Fedak, a researcher at the French computer science research body Inria, joins us to discuss a new project which aims to build a high-performance distributed cloud infrastructure marketplace. Relying on mature grid computing technologies, iExec utilizes Ethreum to organize a peer-to-peer marketplace of computing resources, allowing anyone to rent their idle resources to grid networks. If it succeeds to execute on its vision, this game-changing project could revolutionize distributed computing through cost reduction and the commoditization of resources.
Topics covered in this episode:
Gilles’ background as a distributed computing researcher
Distributed computing and it’s applications in science and industry
The problems we see in distributed computing networks
The iExec project and its vision for a distributed computing resource marketplace
How iExec works as an Ethereum smart contract
The different components and participants of iExec
The iExec token and upcoming crowds ale
The project’s business model and roadmap
Episode links:
iEx.ec Website
Gilles Fedak Home Page at ENS Lyon
iEx.ec White Paper
iEx.ec Crowdsale
This episode is hosted by Meher Roy and Sébastien Couture. Show notes and listening options: epicenter.tv/178

Apr 4, 2017 • 1h 4min
Christian Reitwiessner & Jason Teutsch: TrueBit – Scalable Off-Chain Computations for Ethereum
Bitcoin and Ethereum miners collectively make up what is perhaps the most powerful computational resource in the world. However, mobile phones from the early 2000’s could arguably run more complex operations than these networks combined. While blockchains themselves may never reach the level of computational power of modern computers, they may be leveraged as the underlying verification layer for centralized computing.
We’re joined by Jason Teutsch and Christian Reitwiessner. They are the co-authors of a visionary whitepaper which describes Truebit. This protocol would allow complex computations to be executed on off-chain systems while being validated by Ethereum miners. The results of these computations would consequently be available to on-chain smart contracts. Truebit makes clever use of proof systems and game theory to build a protocol where a Task Giver can ask a third party, the Solver, to execute a complex computation in exchange for a reward. Not limited to Solidity, these could be executed in traditional languages such as Go, Python or C++. Verifiers could then challenge the results, incentivising the Solver to be honest or see his reward be stripped away. This incentive structure would guarantee fast and reliable results while eliminating the need for a trusted third party.
Topics covered in this episode:
Jason and Christian respective backgrounds in the ecosystem.
The core problem being addressed by Truebit
Why a scalable decentralized computational resource is desirable
How Truebit makes use of proof systems and game theory to enable trusted computations off-chain
How the verification game works the incentive structures proposed in Truebit
The various use cases for Truebit
How Truebit could allow for blockchain interoperability without the need for “blockchain of blockchains” type networks
Episode links:
TrueBit Website
TrueBit Subreddit
TrueBit: Scalable Computation talk by Christian Reitwiessner at Ethereum Meetup in Berlin
Slides for the Scalable Computation talk
This episode is hosted by Meher Roy and Sébastien Couture. Show notes and listening options: epicenter.tv/177

Mar 28, 2017 • 1h 9min
Adam B. Levine: Building a Blockchain Podcast Network
In the world of Bitcoin podcast, there is one show which definitely stands out as the longest running, Let’s Talk Bitcoin! In its 4-year history, the show has produced over 320 episodes and expanded to become a network of podcasts which includes Epicenter and many others.
We’re joined by Adam B. Levine the founder and host of Let’s Talk Bitcoin! It was thanks to Adam that Sébastien and Brian first connected in 2013, so in many ways, we consider him as the “”spiritual grandfather”” of Epicenter. Adam reflects on his signature show and the network he created in 2014. He discusses the future of the network and makes an announcement live on the show, which even takes us by surprise.
Topics discussed in this episode:
The history of the Let’s Talk Bitcoin! podcast
What listeners can expect for the future of the show
The LTB Coin reward token experiment, what was learned and the future of that project
The Let’s Talk Bitcoin! Network and how it’s evolving
The Tokenly project and its use cases
Token.fm: a platform for music creators to sell licences to their music as tokens
Episode links:
Token.FM - Early Access
BTC Media
Adam B. Levine: Let’s Talk Bitcoin Network, LTBCoin, Monetizing Content & Crowdfunding — Epicenter
Let's Talk Bitcoin!
This episode is hosted by Brian Fabian Crain and Meher Roy. Show notes and listening options: epicenter.tv/176

Mar 21, 2017 • 1h 1min
Miguel Vias: XRP’s Future for Cross-Border Payments
For a long time the native asset of the Ripple network XRP was the cryptocurrency with the second biggest market cap. But with much of the supply controlled by Ripple, it remained surrounded by controversy. Still, XRP remains an interesting asset to enable cross-border payments in the future. Miguel Vias recently joined Ripple after a long career on Wall Street to develop XRP as a liquid and widely accepted asset.
Topics covered in this episode:
How Miguel Vias went from trading precious metals to XRP
The similarities between precious metals and cryptocurrencies
The role Ripple sees for XRP
The connection between XRP and interledger
Why the FinCEN fine changed Ripple’s course
XRP’s role in cross-border payments
How Miguel is trying to create liquid markets for XRP
Episode links:
Ripple Website
CME Group Executive Miguel Vias Joins Ripple | Ripple
"Ripple and R3 Team Up with 12 Banks to Trial XRP for Cross-Border Payments | Ripple"
Q4 2016 XRP Markets Report | Ripple
Welcome | Interledger
FinCEN Fines Ripple Labs for Bank Secrecy Act Violations
This episode is hosted by Brian Fabian Crain and Meher Roy. Show notes and listening options: epicenter.tv/175

Mar 14, 2017 • 1h 6min
Carsten Stöcker: How Blockchains Will Power the Energy Grids of Tomorrow
In the footsteps of the finance industry, the energy sector has been caught by the blockchain fever. Conceived over a century ago, increased usage and an explosion of devices have made energy grids outdated. Smart grids offer a two-way dialogue where electricity and information are exchanged between utilities and its customers. This new grid takes advantages of connected devices and green energy production to provide more reliability, security and sustainability.
Carsten Stöcker, Senior Manager Machine Economy & Blockchain at Innogy, shares his vision for how blockchains will serve as the transactional fabric for tomorrow’s smart grids. In this new paradigm, energy is locally produced and blockchains provide the rails on which local energy marketplaces can be built. The German utility has been conducting blockchain experiments for several years and is soon releasing the Mobility Transaction Platform moveX. The Ethereum-powered platform will serve an ecosystem of electric vehicles with transaction layer needed for charging, car sharing and mobility as a service.
Topics covered in this episode:
Carsten’s background in technology
The history of RWE and creation of Innogy
Business models in a decentralized economy
How the energy grid system works
The transition from the traditional grid to the smart grid
How blockchains can be integrated in tomorrow’s smart grids
Use cases for blockchain and energy
Innogy’s moveX blockchain experiment for mobility
Episode links:
innogy Innovation Hub
World Economic Forum - Decentral Blockchain Transaction Platform
Share and Charge - Mobility on Blockchain
Blockcharge - Electric Vehicle Charging on Ethereum Blockchain
Genesis of Things - Industry 4.0 on Blockchain
"Automating Machine Transactions and Building Trust in the 4th Industrial Revolution"
"Free Electrons" - a new global energy start-up program
This episode is hosted by Brian Fabian Crain and Sébastien Couture. Show notes and listening options: epicenter.tv/174

Mar 7, 2017 • 1h 7min
Olaf Carlson-Wee: Polychain Capital – The Rise of Protocol Tokens
Writing his college thesis on Bitcoin in 2012 and becoming Coinbase’s first employee in 2013, Olaf Carlson-Wee has been at the forefront of cryptocurrency for many years. Recently, he left Coinbase to start Polychain Capital, a hedge fund focused solely on investing in cryptocurrencies and protocol tokens. Olaf joined us to discuss his journey in the industry and the investment thesis behing Polychain.
Topics covered in this episode:
How Olaf Carlson-Wee became Coinbase’s first employee
The investment thesis behind Polychain Capital
Why protocol tokens represent a huge investment opportunity
The current state of tokensales
Why the blockchain crowdfunding campaigns will start resembling VC deal structure
His view on the state of the Bitcoin network and community
Episode links:
Polychain Capital
Beyond Bitcoin: The future of cryptocurrencies - The Signal
Bitcoin Will Never Be a Currency—It's Something Way Weirder | WIRED
The Golden Age Of Open Protocols – AVC
Blockchain Tokens and the dawn of the Decentralized Business Model
Fat Protocols | Union Square Ventures
a16z and USV invest $10m in new digital asset hedge fund
The future is a decentralized internet | TechCrunch
This episode is hosted by Brian Fabian Crain and Sébastien Couture. Show notes and listening options: epicenter.tv/173

Feb 28, 2017 • 1h 9min
Peter Rizun: A Bitcoin Fee Market Without A Blocksize Limit
With both the Bitcoin Unlimited and Segregated Witness efforts far from reaching majority support and exploding transaction fees, the debate around how to scale Bitcoin continues on. One of the key arguments against bigger blocks and Bitcoin Unlimited is that a blocksize restriction is needed to create a healthy fee market. Dr Peter Rizun has been researching the economics of transaction fees in Bitcoin extensively and joined us to discuss what dynamics affect fees and why he thinks the blocksize limit will eventually fall.
Topics covered in this episode:
Bitcoin seen through the eyes of a physicist
The dynamics that determine transaction fees in Bitcoin
How orphaning risks drive the fee market economics
The relationship between the block reward and the fee market
Why the blocksize limit will eventually fall
Why Peter supports Bitcoin Unlimited
The state of discussion between Bitcoin Core and Bitcoin Unlimited
Episode links:
Dr. Peter Rizun's talk at Scaling Bitcoin Montreal 2015
Dr. Peter Rizun: "A Transaction Fee Market Exists Without a Block Size Limit"
XT Nodes - Bitcoin Hashrate Distribution
Bitco.in Forum
Ledger - Peer-Reviewed Journal on Cryptocurrency and Blockchain
This episode is hosted by Brian Fabian Crain and Meher Roy. Show notes and listening options: epicenter.tv/172


