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36,437 viewsNovember 30th, 2015 by epicenterbitcoin
Gideon Greenspan, a computer scientist and CEO/Founder of the Israeli startup Coin Sciences, joined us for a discussion of their private blockchain platform MultiChain. Besides diving into the popular question of what's the point of a private blockchain, we covered his earlier colored coins implementation as well as his view that blockchains are best understood as a novel database paradigm.Read More
37,136 viewsNovember 23rd, 2015 by epicenterbitcoin
Christian Decker is a PhD student at ETH Zurich, where he is currently finishing up the world's first PhD thesis entirely about Bitcoin. The computer scientist has been part of the Bitcoin community since 2009 and just recently turned off his last miner after 6.5 years!
We talked about the current scalability debate and what his research indicated what blocksize could reasonably be handled today. We also discussed his proposal for Duplex Micropayment Channels. Like the Lightning Network, ...Read More
38,219 viewsNovember 16th, 2015 by epicenterbitcoin
With Proof-of-Stake (PoS) a blockchain is secured not by spending an external resource such as electricity but by using value internal to the chain itself. The promise of higher security at a lower cost is what also drives Ethereum to plan a move away from Proof-of-Work to PoS in the future.
Ethereum researcher Vlad Zamfir, who leads their effort in the complex search for the optimal PoS consensus system joined us for an in-depth discussion of the challenges of PoS, the approach Casper is tak...Read More
38,985 viewsNovember 9th, 2015 by epicenterbitcoin
Businesses with the alleged potential to become the next Google are plentiful in Bitcoin-land, but finding actual commercial success is a lot harder. The best example of a commercial success is gift card company Gyft that became known as the first place to give access to a wide range of merchants for bitcoin holders and later achieved the largest exit so far in the crypto space in an acquisition by payments company First Data.
Gyft CTO Giyom Lebleu joined us to talk about how he got invol...Read More
40,453 viewsNovember 2nd, 2015 by epicenterbitcoin
One of the concerns confronting the Bitcoin community is that of scaling the transaction throughput rate: How do we go from the current rate of approx. 5 transactions per second to a thousand times that?
In this episode, we talk to Emin Gun Sirer and Ittay Eyal from Cornell University regarding Bitcoin NG; a next generation Bitcoin blockchain design that addresses some protocol based limitations preventing Bitcoin from increasing transaction throughput.
Their proposal also enables fast (in...Read More
41,185 viewsOctober 26th, 2015 by epicenterbitcoin
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 so...Read More
EB101 - Ryan Shea & Muneeb Ali: Bringing Decentralization to Identity with Blockchain ID and OnenameOctober 19th, 2015 by epicenterbitcoin
A brilliant fact about crypto-economic blockchains is that they enable the construction of naming systems that transcend limits imposed by Zooko's triangle. Traditional naming systems such as human names, Domain Name System (DNS) and Facebook profile names are subject to Zooko's triangle and cannot be secure, human memorable and decentralised at once. For instance human names such as Meher Roy are human-memorable and decentralised but not secure (nothing prevents hundreds of people being cal...Read More
43,986 viewsOctober 12th, 2015 by epicenterbitcoin
We've made it to episode 100! Our guest for our celebratory episode is Juan Benet, inventor of the Inter-Planetary File System and founder of Protocol Labs. IPFS is a distributed file system that seeks to connect all computing devices with the same system of files. The possibilities for IPFS could range from distributed cloud hosting to websites without central servers to even replacing HTTP. It's a project as audacious as any we've had on the podcast.Read More
EB99 - Manuel Aráoz And Esteban Ordano: Streamium, Pay-Per-Second Video Streaming For Indie ProducersOctober 5th, 2015 by epicenterbitcoin
One of the key innovations of Bitcoin is the ability to easily implement payment channels. A number of use cases have been discussed or demonstrated, among which is the idea of pay-per-use. This is particularly useful when charging for things like WiFi or streaming video by the second. With this in mind, one could imagine a line of communication between two peers, where data flows in one direction and payments flow in the other.
This is the idea behind Streamium, a free and open-source se...Read More
46,300 viewsSeptember 28th, 2015 by epicenterbitcoin
When Robin Hanson invented the concept of prediction markets almost thirty years ago, he felt he had stumbled on a concept with huge implications. By allowing people to bet on the likelihood of future events, prediction markets promise to allow better forecasts and better decision making.
Research into the area has been vibrant, culminating in Hanson's concept of Futarchy: A prediction-market based governance system. At the same time, the real-world applications have been few and far.