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EB102 – Flavien Charlon: Openchain, Centralized Digital Assets Without Blockchains or Consensus
Support the show, consider donating: 1GQWvzN8pDZFugnryQnnanAVBgtpUmbCXu (http://bit.ly/1We4Nbg)
Among the dividing themes in the Bitcoin space is the idea of public versus private blockchains. While some argue that private and permissioned blockchains can offer better scalability and lower latency for enterprises, others insist the Bitcoin blockchain will offer the best level of security and robustness longterm. Recently, projects have emerged that propose the best of both worlds by leveraging both off-chain and on-chain transactions.
This is the idea behind Openchain, an “open source distributed ledger technology, suited for organizations wishing to issue and manage digital assets in a robust, secure and scalable way.” Openchain uses a client-server model where there is only one authoritative validating node. Read-only observer nodes keep the central node honest by auditing transactions in real time. About every 10 minutes, a copy of the Ledger, and its transactions, is hashed and inserted into a Bitcoin transaction so that it can be fossilised in the blockchain.
We’re joined by Flavien Charlon, the one-man operation behind Predictious, Coinprism, the Open Transactions Protocol and now Openchain. We talk about this fascinating new software, which aims to offer enterprises a digital ledger protocol that is highly scalable while enjoying the benefits of the Bitcoin blockchain for immutability.
Topics discussed in this episode:
- Flavien gives an update on Coinprism and his other projects
- The Openchain protocol and what it’s trying to achieve
- The technical architecture of Openchain and the client-server model it implements
- How Openchain uses the Bitcoin blockchain to “anchor” transactions into every block
- Openchain’s consensus model
- The ability for Openchain to interoperate with other ledgers and blockchains
- Flavien’s thoughts on what the ecosystem might look like in 10 years
Links mentioned in this episode:
- Openchain: http://openchain.org
- Openchain Docs: http://docs.openchain.org
Sponsors:
- Shapeshift: Buy and sell alt coins instantly at http://ShapeShift.io
- Ledger Nano: Smart card security for your Bitcoins - Get 10% off your first order when you use the code EB09 at http://ledgerwallet.com (valid until 09/30/15)
- Hide.me: Protect your privacy and personal data with a free VPN account at Hide.me/epicenter
Show notes: http://epicenterbitcoin.com/podcast/102
SoundCloud: http://soundcloud.com/epicenterbitcoin/eb-102
Epicenter Bitcoin is hosted by Brian Fabian Crain & Sébastien Couture.
- Visit our website: http://epicenterbitcoin.com
- Subscribe to our newsletter: http://epicenterbitcoin.com/newsletter
- Twitter: http://twitter.com/epicenterbtc
Among the dividing themes in the Bitcoin space is the idea of public versus private blockchains. While some argue that private and permissioned blockchains can offer better scalability and lower latency for enterprises, others insist the Bitcoin blockchain will offer the best level of security and robustness longterm. Recently, projects have emerged that propose the best of both worlds by leveraging both off-chain and on-chain transactions.
This is the idea behind Openchain, an “open source distributed ledger technology, suited for organizations wishing to issue and manage digital assets in a robust, secure and scalable way.” Openchain uses a client-server model where there is only one authoritative validating node. Read-only observer nodes keep the central node honest by auditing transactions in real time. About every 10 minutes, a copy of the Ledger, and its transactions, is hashed and inserted into a Bitcoin transaction so that it can be fossilised in the blockchain.
We’re joined by Flavien Charlon, the one-man operation behind Predictious, Coinprism, the Open Transactions Protocol and now Openchain. We talk about this fascinating new software, which aims to offer enterprises a digital ledger protocol that is highly scalable while enjoying the benefits of the Bitcoin blockchain for immutability.
Topics discussed in this episode:
- Flavien gives an update on Coinprism and his other projects
- The Openchain protocol and what it’s trying to achieve
- The technical architecture of Openchain and the client-server model it implements
- How Openchain uses the Bitcoin blockchain to “anchor” transactions into every block
- Openchain’s consensus model
- The ability for Openchain to interoperate with other ledgers and blockchains
- Flavien’s thoughts on what the ecosystem might look like in 10 years
Links mentioned in this episode:
- Openchain: http://openchain.org
- Openchain Docs: http://docs.openchain.org
Sponsors:
- Shapeshift: Buy and sell alt coins instantly at http://ShapeShift.io
- Ledger Nano: Smart card security for your Bitcoins - Get 10% off your first order when you use the code EB09 at http://ledgerwallet.com (valid until 09/30/15)
- Hide.me: Protect your privacy and personal data with a free VPN account at Hide.me/epicenter
Show notes: http://epicenterbitcoin.com/podcast/102
SoundCloud: http://soundcloud.com/epicenterbitcoin/eb-102
Epicenter Bitcoin is hosted by Brian Fabian Crain & Sébastien Couture.
- Visit our website: http://epicenterbitcoin.com
- Subscribe to our newsletter: http://epicenterbitcoin.com/newsletter
- Twitter: http://twitter.com/epicenterbtc
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Links mentioned in this episode:
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Show notes: http://epicenterbitcoin.com/podcast/042
SoundCloud: http://soundcloud.com/epicenterbitcoin/eb-042
Epicenter Bitcoin is hosted by Brian Fabian Crain & Sébastien Couture.
- Visit our website: http://epicenterbitcoin.com
- Subscribe to our newsletter: http://epicenterbitcoin.com/newsletter
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Crypto-enthusiasts must have chanced across the concept of the DApp browser - software that enables regular users to interact with Decentralised applications. Some people describe them as the equivalent of skin to the muscle and skeleton of Ethereum. I caught up with Aaron Davis, also known as Kumavis, who is developing Metamask, an extension that transforms a normal browser into a dapp browser.
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The recent publication of a European Banking Authority opinion on "virtual currencies" has caused great concern among actors of the Bitcoin ecosystem. Siân Jones joins us to dissect this 46-page document and the 70+ risks it identifies to crypto-currencies. Siân also helps us better understand the EBA, its role and and the extent of its influence in the European Union. We also briefly recap the Coinsummit conference which took place in London and which we attended.
Links:
- European Banking Authority: http://bit.ly/1sUdKJP
- EBA opinion on "virtual currencies": http://bit.ly/1maQthg
- Bitcoin receives red carpet welcome in the Isle of Man [City A.M.]: http://bit.ly/1oA17zD
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Show notes: http://epicenterbitcoin.com/eb-028
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Epicenter Bitcoin is hosted by Brian Fabian Crain & Sébastien Couture and is available on iTunes, SoundCloud, Mixcloud, Stitcher and other podcast aggregators.
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Support the show, consider donating: 1JqE3eCwn7PeFNZUq6U2LExwxFqGBS9eqM (http://bit.ly/2gl9HIP)
In their relatively short lifespan, blockchain technologies have already undergone significant milestones. Bitcoin’s blockchain, often referred to as Blockchain 1.0, features a simple database ledger that records transactions in a chronological order and represents the state of the network to participants. Ethereum, or Blockchain 2.0, introduced the notion of smart contracts. Microsoft’s Bletchley Project introduces a new modular architecture which might mark a new milestone for blockchain technologies.
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- Bletchley Whitepaper: https://github.com/Azure/azure-blockchain-projects/blob/master/bletchley/bletchley-whitepaper.md
- Blockchain as a Service (BaaS) | Microsoft Azure: https://azure.microsoft.com/en-us/solutions/blockchain/
Sponsors:
- Jaxx: Wallets that Unify the Blockchain Experience Across Devices - http://jaxx.io
This episode is also available on :
- Epicenter.tv: https://epicenter.tv/161
- YouTube: http://youtu.be/avAouD1UHH4
- Souncloud: http://soundcloud.com/epicenterbitcoin/eb-161
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Epicenter is hosted by Brian Fabian Crain, Sébastien Couture & Meher Roy.
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Support the show, consider donating: 12nTPUunDNLqyxxTMsCGghqND1MUYGgFEk (http://bit.ly/1Ozq0ci)
The idea that in the future tokens will play a crucial role in networks and organizations to incentivize decentralized collaboration and reward contribution is not new. It's the original decentralized autonomous organization idea that has informed many projects that have been on the podcast (Swarm, Ethereum, Factom, Storj, etc). For Matan, the vision originally led to found decentralized ride-sharing application LaZooz. One year ago, he left LaZooz to found Backfeed, which is building the tools that so far have been missing to make mass collaboration without a central party possible.
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Sponsors:
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- Hide.me: Protect your privacy and personal data with a free VPN account at Hide.me/epicenter
Show notes: http://epicenterbitcoin.com/podcast/115
YouTube: https://youtu.be/SsCxgez1XBo
SoundCloud: http://soundcloud.com/epicenterbitcoin/eb-115
Epicenter Bitcoin is hosted by Brian Fabian Crain, Sébastien Couture & Meher Roy.
- Visit our website: http://epicenterbitcoin.com
- Subscribe to our newsletter: http://epicenterbitcoin.com/newsletter
- Twitter: http://twitter.com/epicenterbtc
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Support the show, consider donating: 13tRXdy2Ke9gwr5We8XWnz8J5HWG6kLknU (http://bit.ly/1ISp0h0)
Identity is probably one of the most important constructs in our society. In our modern world, protecting one’s identity has become complex, as we no longer rely solely on governments to prove who we are. In addition, most identity sources can be easily compromised. Credit cards and social security numbers weren’t developed with the Internet in mind, and other identifiers such as logins and passwords aren’t well suited truly secure authentication and authorisation.
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- Identifi protocol: http://identifi.org/
- Identifi service: http://identi.fi/
Sponsors:
- Ledger Nano: Smart card security for your Bitcoins - Get 10% off your first order when you use the code EPICENTER at http://ledgerwallet.com
Show notes: http://epicenterbitcoin.com/podcast/109
SoundCloud: http://soundcloud.com/epicenterbitcoin/eb-109
Epicenter Bitcoin is hosted by Brian Fabian Crain, Sébastien Couture & Meher Roy.
- Visit our website: http://epicenterbitcoin.com
- Subscribe to our newsletter: http://epicenterbitcoin.com/newsletter
- Twitter: http://twitter.com/epicenterbtc
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Support the show, consider donating:
BTC: 1MjciB4vYxC9LKQSWrkCfAniq4GnSMZzB2 (http://bit.ly/2ptdEB3)
ETH: 0x8cdb49ca5103Ce06717C4daBBFD4857183f50935 (http://bit.ly/2nKneP1)
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This episode is also available on :
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- Souncloud: http://soundcloud.com/epicenterbitcoin/eb-180
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Epicenter is hosted by Brian Fabian Crain, Sébastien Couture & Meher Roy.
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Support the show, consider donating: 18DRrNBo9JPKEKYj13Y6xiaQw5AL4S6K4c (http://bit.ly/1SqemXh)
In the midst of the heated blocksize debate one could be forgiven to think that there is very little Bitcoin developers are able to agree on. Yet, when core developer and Blockstream co-founder Pieter Wuille introduced the concept of segregated witness at the Scaling Bitcoin conference in Hong Kong most of the Bitcoin community quickly rallied behind the proposal.
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- Let's Talk Bitcoin! #277 Separating Signatures with Segregated Witness http://bit.ly/1SaELZi
- Gavin Andresen: Segregated Witness is Cool http://bit.ly/1RhgOyh
- Bitcoin Magazine Series on Segregated Witness Part 1: http://bit.ly/1PgyFD8 Part 2: http://bit.ly/1SYEK9K Part 3: http://bit.ly/23Soo7H
- Eric Lombrozo's company Ciphrex: http://bit.ly/1T83Bcs
Sponsors:
- Ledger Nano: Smart card security for your Bitcoins - Get 10% off your first order when you use the code EPICENTER at http://ledgerwallet.com
Show notes: http://epicenterbitcoin.com/podcast/117
SoundCloud: http://soundcloud.com/epicenterbitcoin/eb-117
Epicenter Bitcoin is hosted by Brian Fabian Crain, Sébastien Couture & Meher Roy.
- Visit our website: http://epicenterbitcoin.com
- Subscribe to our newsletter: http://epicenterbitcoin.com/newsletter
- Twitter: http://twitter.com/epicenterbtc
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