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    <title>SF cryptocurrency Devs</title>
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    <description>Every week, we host the best engineer and developer presentations to share their projects and papers on innovation occurring in the cryptocurrency ecosystem.

This includes all crypto technologies, including bitcoin, ethereum, and other blockchains.

Join us and our Telegram: https://t.me/joinchat/C_FPyw1hN2Jq_N1lmbOY1w</description>
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    <pubDate>Mon, 11 Mar 2019 00:00:00 +0000</pubDate>
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      <title>SFCDEVS: NuCypher's Testnet and Genesis Release is Here!</title>
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      <description><![CDATA[SFCDEVS: NuCypher's Testnet and Genesis Release is Here!

John Pacific (aka tux) is back! Tux will discuss NuCypher's Genesis Release and how to build end-to-end encrypted applications using proxy re-encryption. He'll also touch on the research NuCypher has been doing on fully homomorphic encryption (FHE), what we've released so far, and what's on the horizon.

Featured Speaker:
John Pacific, Engineer at NuCypher]]></description>
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      <itunes:duration>45:53</itunes:duration>
      <pubDate>Mon, 11 Mar 2019 00:00:00 +0000</pubDate>
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      <title>Coda Protocol: Using zk-SNARKs For A Constant-Size Blockchain</title>
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      <description><![CDATA[Izaak Meckler gives an approachable overview of Coda: the first cryptocurrency with a constant-sized blockchain. Instead of persisting the entire blockchain, Coda uses recursive composition of zk-SNARKs to compress the blockchain into a tiny proof and sends around that proof instead. That means that no matter how big the blockchain gets, or how many transactions are performed, the cost to verify transactions and data remains constant and inexpensive — around 20kbs and 10ms to verify an account's balance.]]></description>
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      <pubDate>Mon, 17 Dec 2018 00:00:00 +0000</pubDate>
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      <title>SFCDEVS: Engineering a Hybrid-Decentralized Exchange with IDEX</title>
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      <description><![CDATA[Aurora (https://auroradao.com/) is a collection of blockchain applications and protocols that form a decentralized financial and banking platform. Aurora's launch product—IDEX—is the first real-time decentralized exchange. IDEX achieved early success utilizing a hybrid design which carefully balances the speed and user experience of centralization with the security of blockchain.]]></description>
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      <pubDate>Mon, 03 Dec 2018 00:00:00 +0000</pubDate>
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      <title>SF Crypto Devs Presents: Agoric - Programming Secure Smart Contracts</title>
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      <description><![CDATA[SF Crypto Devs Presents: Agoric - By creating an object-capability (ocap) secure subset of JavaScript to support simple composition with least authority, Agoric enables application developers to write safe smart contracts and empowers individuals to securely execute transactions, establish new markets, and craft novel patterns of exchange — without centralized control.
Featured Speaker:
Mark Miller, Chief Scientist @ Agoric]]></description>
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      <pubDate>Tue, 20 Nov 2018 00:00:00 +0000</pubDate>
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      <title>SF Crypto Devs Presents: Learn how to Build and Deploy Hyperledger Applications</title>
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      <description><![CDATA[SF Crypto Devs Presents: Learn how to Build and Deploy Hyperledger Applications.
Featured Speaker:
Lennart Frantzell, IBM Code SF Developer Advocate]]></description>
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      <pubDate>Tue, 20 Nov 2018 00:00:00 +0000</pubDate>
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      <description><![CDATA[SF Cryptocurrency Devs Presents ZCash 2zK! Turning Two and Sapling Activation]]></description>
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      <pubDate>Tue, 20 Nov 2018 00:00:00 +0000</pubDate>
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      <title>Dharma Protocol and the Importance of Decentralized Financial Primitives</title>
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      <description><![CDATA[Dharma Protocol and the Importance of Decentralized Financial Primitives with Nadav Hollander, Founder & CEO of Dharma -- a suite of developer tools for tokenized debt agreements on blockchains like Ethereum.]]></description>
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      <itunes:duration>58:25</itunes:duration>
      <pubDate>Mon, 19 Nov 2018 00:00:00 +0000</pubDate>
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      <title>SFCDEVs Nelly Mensah interviews Can from Enigma</title>
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      <description><![CDATA[See more at http://sfcryptocurrencydevs.com
We would like to introduce SF Cryptocurrency and Bitcoin engineers to Enigma!
https://enigma.co
Enigma is a blockchain-based protocol that uses groundbreaking privacy]]></description>
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      <pubDate>Sun, 30 Sep 2018 00:00:00 +0000</pubDate>
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In this session, Enigma will discuss private computing and why it is key for blockchain usability, and give a deep dive and early look into what's coming next to the Enigma protocol.]]></description>
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      <pubDate>Sun, 30 Sep 2018 00:00:00 +0000</pubDate>
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      <title>SFCDEVS Presents: Val Mack interviews Clemens Ley</title>
      <link>https://www.youtube.com/watch?v=lNt6Hyj7zSA</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

SFCDEVS Presents: Val Mack interviews Clemens Ley]]></description>
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      <pubDate>Tue, 28 Aug 2018 00:00:00 +0000</pubDate>
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      <link>https://www.youtube.com/watch?v=4F0_IRrYADs</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

SFCDEVS Presents: A Smart Contract Engine For Bitcoin by Clemens Ley.
For more Events check here: http://www.sfcryptocurrencydevs.com/]]></description>
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      <pubDate>Tue, 28 Aug 2018 00:00:00 +0000</pubDate>
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      <title>SFCDEVS: Nelly Mensah interviews the Abra Team</title>
      <link>https://www.youtube.com/watch?v=QuRWolEUa4E</link>
      <description><![CDATA[SFCDEVS: Nelly Mensah interviews the Abra Team]]></description>
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      <itunes:duration>07:09</itunes:duration>
      <pubDate>Mon, 20 Aug 2018 00:00:00 +0000</pubDate>
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      <title>SFCDEVS: Building price-stable synthetic currencies with Bitcoin and Litecoin</title>
      <link>https://www.youtube.com/watch?v=TOEe9m_aZVw</link>
      <description><![CDATA[In this session, Abra will go through how we use multi-sig and hedging strategies to create a platform that can provide decentralized trading of any asset.
Featured Speaker: Ishmael Riles, Lead Developer at Abra]]></description>
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      <pubDate>Mon, 20 Aug 2018 00:00:00 +0000</pubDate>
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      <description><![CDATA[We present IoTeX, the next generation IoT-oriented blockchain platform with strong scalability, privacy, isolability and developability for incubating new IoT applications and ecosystems. This talk will focus on the software architecture of IoTeX network, the RDPoS consensus protocol as well as security and privacy features.]]></description>
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      <itunes:duration>01:12:51</itunes:duration>
      <pubDate>Wed, 01 Aug 2018 00:00:00 +0000</pubDate>
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      <title>SFCDEVS: Beyond DAGS: Taariq Lewis Interview with GunDB founder, Mark Nadal!</title>
      <link>https://www.youtube.com/watch?v=tfATwXBnRXw</link>
      <description><![CDATA[SFCDEVS: Beyond DAGS: Taariq Lewis Interview with GunDB founder, Mark Nadal!]]></description>
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      <itunes:duration>06:02</itunes:duration>
      <pubDate>Tue, 31 Jul 2018 00:00:00 +0000</pubDate>
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      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

Mark Nadal introduces SF Cryptocurrency engineers to AXE, a cryptocurrency built on top of CRDT and DAG data structures with GUN, a tremendously popular Open Source graph database and P2P synchronization protocol.]]></description>
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      <pubDate>Tue, 31 Jul 2018 00:00:00 +0000</pubDate>
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      <title>SF Crypto Devs Presents NuCypher pt 2: Proxy Re-Encryption Unleashed on Ethereum</title>
      <link>https://www.youtube.com/watch?v=1RuP2HZ6zRc</link>
      <description><![CDATA[SF Crypto Devs Presents NuCypher pt 2: Proxy Re-Encryption Unleashed on Ethereum with John Pacific.
Slides: http://bit.ly/2KVngP5]]></description>
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      <itunes:duration>46:30</itunes:duration>
      <pubDate>Sun, 08 Jul 2018 00:00:00 +0000</pubDate>
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      <description><![CDATA[SFCDEVS Interviews: Nelly Mensah & John Pacific of NuCypher.]]></description>
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      <itunes:duration>05:14</itunes:duration>
      <pubDate>Mon, 02 Jul 2018 00:00:00 +0000</pubDate>
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      <description><![CDATA[SFCDEVS Interviews: Taariq Lewis interviews David Gobaud of Mobius]]></description>
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      <title>SF Cryptocurrency Dev: James Prestwich's Summa: Atomic, Cross-chain Contracts</title>
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      <description><![CDATA[James Prestwich's Summa: Atomic, Cross-chain Contracts in UTXO clients such as Bitcoin. Explore the possible future of options in cryptocurrency
Slides: http://bit.ly/2JNCLZU]]></description>
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      <description><![CDATA[SFCDEVs Interviews: Nelly Mensah & James Prestwich's Summa: Atomic, Cross-chain Contracts and James'  history in the cryptocurrency space.]]></description>
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      <description><![CDATA[SFCDEvs Presents: Nelly Mensah interviews the Aragon Team]]></description>
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Featured Speaker: Brett Sun, EVM Engineer at Aragon
Slides are here: http://bit.ly/2s39fDD]]></description>
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Discreet log contracts are a method to mitigate  risks and build scalable, efficient smart contracts on top of the Bitcoin blockchain.
Slides :http://bit.ly/2jSpOhX
Gist: https://gist.github.com/taariq/818a5281bb4edec3c7c8461e5ac2384a]]></description>
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      <description><![CDATA[Nelly Mensah Interviews Tadge Dryja, Research Scientist - MIT DCI]]></description>
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      <description><![CDATA[Dr. Peter Rizun, Chief Scientist at Bitcoin Unlimited and Co-Founder of Ledger talks about what it takes to contribute to the bitcoin ecosystem and how we will be able to scale bitcoin to millions of wallets.]]></description>
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      <description><![CDATA[SF Cryptocurrency Devs: Peter Rizun & Taariq Lewis talk briefly about how Peter became involved in bitcoin development and his work on Bitcoin cash.]]></description>
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      <link>https://www.youtube.com/watch?v=PKzJktErUdk</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

If you've ever wanted to learn how to become an OpenSource Bitcoin or Blockchain Developer, without quitting your day job, this is the seminar for you.
Slides: https://goo.gl/wbGYeV]]></description>
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      <link>https://www.youtube.com/watch?v=evx7gH_R-Mc</link>
      <description><![CDATA[How to build a secure proof of space blockchain with only three new cryptographic primitives:
• What is Proof of Space
• What are the three cryptographic primitives needed
• A deep introduction to Chia Network
Slides: https://goo.gl/sYJSyJ]]></description>
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      <title>SF Cryptocurrency Devs Presents Building Bitcoin LApps with Lightning</title>
      <link>https://www.youtube.com/watch?v=zWOMyxO-YJI</link>
      <description><![CDATA[Building Bitcoin LApps with Lightning featuring Max Fang, Developer Advocate at Lightning Labs and President of Blockchain at Berkeley
Slides: https://goo.gl/GfMZzg]]></description>
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      <link>https://www.youtube.com/watch?v=V40k7RpzLfI</link>
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Download the Slides: https://goo.gl/JR42J6]]></description>
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      <pubDate>Sun, 11 Mar 2018 00:00:00 +0000</pubDate>
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      <title>SF Cryptocurrency Devs Presents  Rhett Creighton &amp; Bitcoin Private</title>
      <link>https://www.youtube.com/watch?v=y0OAnkgKNsM</link>
      <description><![CDATA[SF Cryptocurrency Devs Presents: Rhett Creighton & Bitcoin Private
Slides: https://goo.gl/Wy64zM]]></description>
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      <link>https://www.youtube.com/watch?v=Og52VDU-pjc</link>
      <description><![CDATA[James Prestwich, of Chia Network, introduces us to radical rework of scripting language for Chia Script with BLS Signatures.
PDF Slides are available here: https://goo.gl/9GSXZ5]]></description>
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      <title>012418 SF CryptoDevs Presents - Zcash - zkSnarks and building on Zcash</title>
      <link>https://www.youtube.com/watch?v=qynXmq02g6A</link>
      <description><![CDATA[012418 SF CryptoDevs Presents - Zcash - zkSnarks and building on Zcash.

PDF Slides available here: https://t.co/0oaiYKeA5B]]></description>
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      <pubDate>Sun, 11 Feb 2018 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs: Asynchronous Byzantine Consensus Suitable for Decentralized Networks</title>
      <link>https://www.youtube.com/watch?v=dfGDhDR_3Gc</link>
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Dominic Williams discusses Asynchronous Byzantine Consensus Suitable for Decentralized Networks Using Cryptographic Randomness]]></description>
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      <pubDate>Fri, 08 May 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Compliance Talk from Coinbase</title>
      <link>https://www.youtube.com/watch?v=uExxp0ND7mY</link>
      <description><![CDATA[Sarah Hody, Associate Counsel at Coinbase, presents on the regulatory climate for Bitcoin.  Sarah has recently returned from advising state regulators on new legislation around bitcoin and will have the most up-to-date perspective on upcoming regulation and compliance.]]></description>
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      <title>SF Bitcoin Devs Seminar: A Deep Dive with Bitcoin Core Developer Greg Maxwell</title>
      <link>https://www.youtube.com/watch?v=TYQ-3VvNCHE</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

Slides: https://people.xiph.org/~greg/gmaxwell_sfbitcoin_2015_04_20.pdf

Bitcoin Core developer Greg Maxwell will discuss recent privacy work, future multisignature technology, and other things.]]></description>
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      <title>SF Bitcoin Devs Seminar: Colored coins applications with Coinprism &amp; Open Assets</title>
      <link>https://www.youtube.com/watch?v=8fBSvN2aqjI</link>
      <description><![CDATA[SF Bitcoin Devs is having Flavien Charlon from the Colored Coins team come present.
Open Assets protocol:
https://github.com/OpenAssets/open-assets-protocol]]></description>
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      <title>SF Bitcoin Devs Seminar: Advanced Stellar Development for Bitcoin Developers</title>
      <link>https://www.youtube.com/watch?v=mMEEZBKGcu0</link>
      <description><![CDATA[Presentation Slides: http://goo.gl/3rbd5d
Andrew Rogers introduces SF Bitcoin Devs to Stellar.]]></description>
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      <title>SF Bitcoin Devs Seminar: The BitGO API: A deep dive into Advanced Multisig!</title>
      <link>https://www.youtube.com/watch?v=Fvmctsl1SgE</link>
      <description><![CDATA[Slides: http://www.slideshare.net/bencxr/multisig-deep-dive
Ben Chan from BitGo discusses P2SH and the concepts behind many different multi-sig models that are emerging today]]></description>
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      <link>https://www.youtube.com/watch?v=O-tWX3YiAyY</link>
      <description><![CDATA[Ryan Smith is Chain’s co-founder and CTO. This talk will showcase Chain's technology stack and engineering practices. We'll take a deep dive into how we keep the platform fast and available.]]></description>
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      <link>https://www.youtube.com/watch?v=FEliXGr5Bl8</link>
      <description><![CDATA[Can we scale up the Bitcoin protocol? With many advocating for the blocksize limit to be raised from its current 1MB, or even eliminated entirely, the question is what is the Bitcoin protocol capable of?]]></description>
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      <link>https://www.youtube.com/watch?v=XhUSRC6PuHI</link>
      <description><![CDATA[Code: https://github.com/bitpay/bitcore-wallet-service
* The new API baked into Bitcore
* The Bitcore Plugin ecosystem
* The bitcore-wallet-service]]></description>
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      <link>https://www.youtube.com/watch?v=_mMZls_c7JM</link>
      <description><![CDATA[William Swanson presents Libbitcoin and Obelisk
Slides: http://www.slideshare.net/swansontec/libbitcoin-slides
Github: https://github.com/libbitcoin/libbitcoin/]]></description>
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      <pubDate>Wed, 11 Mar 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Scaling Bitcoin to Billions of Transactions Per Day</title>
      <link>https://www.youtube.com/watch?v=8zVzw912wPo</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

The Slides: http://lightning.network/lightning-network.pdf
The Paper: http://lightning.network/lightning-network-paper-DRAFT-0.5.pdf
Joseph Poon & Thaddeus Dryja present: How to make Bitcoin capable of handling the volume of all global electronic payments on a single blockchain without custodial risk of theft.
For more Events check here: http://www.sfcryptocurrencydevs.com/]]></description>
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      <itunes:duration>54:40</itunes:duration>
      <pubDate>Thu, 05 Mar 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs: Towards Browser SPV: the story of bitcore, fullnode, BitPay, reddit, and BitGo</title>
      <link>https://www.youtube.com/watch?v=Qmo3zdYSqxM</link>
      <description><![CDATA[Ryan X. Charles,  previously a Crypto engineer from BitPay, will be talking about his new SPV node written in JavaScript that will run on the web browser.  Slides: http://goo.gl/Xlqoe6]]></description>
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      <itunes:duration>58:53</itunes:duration>
      <pubDate>Wed, 25 Feb 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Bitcoin Core 0.10.0 - The New Features with Pieter Wuille</title>
      <link>https://www.youtube.com/watch?v=l3O4nh79CUU</link>
      <description><![CDATA[** UPDATED VIDEO **
Bitcoin core developer, Pieter Wuille, is going to talk about the new Bitcoin Core release of 0.10.0.

Slides: https://prezi.com/tkac2-zplbp4/uninteresting-changes-in-bitcoin-core-010/]]></description>
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      <itunes:duration>58:33</itunes:duration>
      <pubDate>Fri, 20 Feb 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Using Serpent on Augur to Build Prediction Markets</title>
      <link>https://www.youtube.com/watch?v=w7JVcAgP1nw</link>
      <description><![CDATA[http://www.augur.net/ Jack Peterson & Joey Krug present the details of how they're implementing a decentralized PM, why Bitcoin is the best fuel for a decentralized PM, and how (+why) they are using Serpent to do it. Slides: http://goo.gl/z3zhBu]]></description>
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      <itunes:duration>53:28</itunes:duration>
      <pubDate>Wed, 11 Feb 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs: Bitcoin Scripting &amp; Building a Fast Interpreter w/ BlockCypher</title>
      <link>https://www.youtube.com/watch?v=ljP-9C5caWI</link>
      <description><![CDATA[Get up and personal with the details of Bitcoin scripting. Learn more about stack-based programming languages and how to implement fast script interpreters. And all of it in Go!]]></description>
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      <itunes:duration>01:00:44</itunes:duration>
      <pubDate>Wed, 04 Feb 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Profitable &amp; Self-Sustainable DApp</title>
      <link>https://www.youtube.com/watch?v=hEIUSua1ScY</link>
      <description><![CDATA[Tom(Founder@ Koinify, a DApp funding platform) will share thoughts on designing a Decentralized Application/Autonomous Corp that make economic sense.

http://koinify.com/]]></description>
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      <itunes:duration>22:52</itunes:duration>
      <pubDate>Tue, 20 Jan 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: A deep dive on Tendermint. Consensus without Mining</title>
      <link>https://www.youtube.com/watch?v=lYX7VIVz578</link>
      <description><![CDATA[Jae Kwon will be presenting on ed25519 signatures for fast validation of signatures & lib-swift-style fast block propagation in gossip networks. http://tendermint.com/]]></description>
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      <itunes:duration>59:36</itunes:duration>
      <pubDate>Tue, 20 Jan 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Transaction Malleability: Threats and Solutions</title>
      <link>https://www.youtube.com/watch?v=jyDE-aFqJTs</link>
      <description><![CDATA[Tadje Dryja Presents on Transaction Malleability.
Slides: http://goo.gl/2fXLeM

Transaction Malleability in Bitcoin is something that's been known about for years, but how big of a problem really is it? This talk will explore the root causes of malleability, what it breaks and what it doesn't, possible fixes and workarounds, and potential advanced applications of bitcoin which are impacted by this problem.]]></description>
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      <itunes:duration>51:53</itunes:duration>
      <pubDate>Wed, 14 Jan 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: SkuChains &amp; Supply Chain Authentication</title>
      <link>https://www.youtube.com/watch?v=a7an9RkCG4s</link>
      <description><![CDATA[Zaki will make a technical presentation SKUChain's blockchain cryptosystem.

SkuChain is dedicated to bringing cryptographic trust to the supply chain. SKUChain uses cryptographic ledger technology similar to BitCoin and similar cryptocurrencies to ensure that trust can be computationally assured from manufacturers to end consumers.]]></description>
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      <itunes:duration>48:59</itunes:duration>
      <pubDate>Tue, 06 Jan 2015 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Live Smart Contracts, Proving Performance Off-the-Chain</title>
      <link>https://www.youtube.com/watch?v=E1ONqrNDpv0</link>
      <description><![CDATA[Sergey Nazarov from http://www.smartcontract.com present their approach to smart contracts using NXT and Bitcoin]]></description>
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      <itunes:duration>01:01:44</itunes:duration>
      <pubDate>Tue, 30 Dec 2014 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: A Special Presentation By Matt Corallo of Blockstream</title>
      <link>https://www.youtube.com/watch?v=on5ySFK0aoY</link>
      <description><![CDATA[Matt Corallo presents a special presentation on Blockchain technologies.

Slides of the presentation here: http://goo.gl/hwtTYc]]></description>
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      <itunes:duration>01:16:55</itunes:duration>
      <pubDate>Tue, 30 Dec 2014 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: A Technical Deep Dive with Stephen Pair CEO of Bitpay</title>
      <link>https://www.youtube.com/watch?v=c6V6Bi6a_Ho</link>
      <description><![CDATA[Stephen Pair CEO of Bitpay presents on latest open source project: Foxtrot
Slides: http://goo.gl/Oma6Yn]]></description>
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      <itunes:duration>01:11:18</itunes:duration>
      <pubDate>Thu, 11 Dec 2014 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Presenting BitcoindJS with JJ (Bitpay)</title>
      <link>https://www.youtube.com/watch?v=6A0VSKF6tic</link>
      <description><![CDATA[Get BitcoindJS: Github repo: https://github.com/bitpay/bitcoind.js

JJ is a senior developer at Bitpay.

He's working on bringing bitcoind functions to nodejs. He'll present on bitcoind.js as a node.js module which dynamically loads a node.js C++ modules which links to libbitcoind.so (bitcoind compiled as a shared library), making all useful bitcoind functions asynchronous.

bitcoind.js as a node.js module which dynamically loads a node.js C++ modules which links to libbitcoind.so (bitcoind compiled as a shared library), making all useful bitcoind functions asynchronous.]]></description>
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      <itunes:duration>44:09</itunes:duration>
      <pubDate>Tue, 09 Dec 2014 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Jean Pierre (Haskoin)</title>
      <link>https://www.youtube.com/watch?v=CQVWz5xmiYM</link>
      <description><![CDATA[Haskoin Presentation:

Enterprise multi-sig wallet in Haskell, bitcoind + client + gui Haskell implementations, ECDSA in Haskell, the challenge of bug-compatibility with bitcoind, and a formal specification for Bitcoin, among others.]]></description>
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      <itunes:duration>41:36</itunes:duration>
      <pubDate>Tue, 09 Dec 2014 00:00:00 +0000</pubDate>
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    <item>
      <title>SF Bitcoin Devs Seminar: Bitcoin Unit &amp; Functional Testing w/ Spock Framework</title>
      <link>https://www.youtube.com/watch?v=wuJzMTDTj4A</link>
      <description><![CDATA[Sean Gilligan presents unit & functional testing with Spock.]]></description>
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      <itunes:duration>01:01:06</itunes:duration>
      <pubDate>Tue, 11 Nov 2014 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Joel Dietz presents Bitcoin2.0 with SWARM</title>
      <link>https://www.youtube.com/watch?v=aafTDNk_zhg</link>
      <description><![CDATA[Joel Dietz, founder of SWARM will present on his Bitcoin2.0 platform SWARM and their launch on Counterparty.]]></description>
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      <itunes:duration>01:08:34</itunes:duration>
      <pubDate>Wed, 22 Oct 2014 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: Cryptography Methods to Guarantee Payment Anonymity</title>
      <link>https://www.youtube.com/watch?v=DkbiGCkJcpM</link>
      <description><![CDATA[Talk will be about how these concepts work in guaranteeing anonymous payments

• Blind signatures
• One-way accumulators
• Zero-knowledge proofs
• Ring signatures (They are used in coins like ZeroCoin, Monero etc)]]></description>
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      <itunes:duration>47:16</itunes:duration>
      <pubDate>Wed, 15 Oct 2014 00:00:00 +0000</pubDate>
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      <title>btc.edu part 1: Cryptographic primitives and the proof of work blockchain</title>
      <link>https://www.youtube.com/watch?v=IhUQ5tnNvlQ</link>
      <description><![CDATA[Tadge Dryja presents a developer centered course which will be a deep exploration of the evolution of the cryptographic primitives underlying the bitcoin protocol.  Slides here: http://goo.gl/v27dib

Symmetric and public-key ciphers, as well as elliptic curve signatures and cryptographic hash functions will be covered, as well as how it all ties together to form the basis of bitcoin. This is part 1 of a larger series of lectures for developers and researchers who want a thorough understanding of how bitcoin functions, and its potentials and risks.]]></description>
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      <itunes:duration>01:15:04</itunes:duration>
      <pubDate>Mon, 13 Oct 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Deep Dive into Pycoin's Bitcoin Library w/ Richard Kiss</title>
      <link>https://www.youtube.com/watch?v=4ufTcteXVNk</link>
      <description><![CDATA[Richard Kiss presents pycoin and pycoinnet -- Python Cryptocoin Utilities. https://github.com/richardkiss/pycoinnet/

This is an implementation of a bunch of utility routines that may be useful when dealing with bitcoin and some alt-coins. It has been tested with Python 2.7, 3.3 and 3.4.]]></description>
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      <itunes:duration>59:28</itunes:duration>
      <pubDate>Sun, 05 Oct 2014 00:00:00 +0000</pubDate>
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      <title>btc.edu part 2: Application of Crypto Primitives On How Bitcoin is Built</title>
      <link>https://www.youtube.com/watch?v=VqZ_ver5ErY</link>
      <description><![CDATA[Slides are here: http://goo.gl/qcliQ0

This developer centered course will be a deep exploration of the evolution of the cryptographic primitives underlying the bitcoin protocol. Symmetric and public-key ciphers, as well as elliptic curve signatures and cryptographic hash functions will be covered, as well as how it all ties together to form the basis of bitcoin. This is part 1 of a larger series of lectures for developers and researchers who want a thorough understanding of how bitcoin functions, and its potentials and risks.

Part 2 will extend these cryptographic fundamentals to the specific implementation bitcoin uses, as well as a survey of other cryptographic primitives and mechanisms used in other currencies.

The material in the cryptography I course on Coursera (https://www.coursera.org/course/cryptography) may be helpful to those who have less background in cryptography.]]></description>
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      <itunes:duration>01:07:29</itunes:duration>
      <pubDate>Wed, 01 Oct 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Bryan Vu's deep dive into Coinshuffle &amp; Decentralized coinjoin</title>
      <link>https://www.youtube.com/watch?v=YDGUUtDqNV0</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

Get the slides here: http://goo.gl/Or5zpS

Join Bryan Vu (Google) as he shares his work on a deep dive into a new coin mixing protocol to improve anonymity in Bitcoin. The protocol is called CoinShuffle.

The key innovation in CoinShuffle is that it is decentralized and it does not require a mixing server. Among other advantages, this means that no mixing server learns which output addresses and input addresses in a mixing transaction belong together. Since CoinShuffle is based on the idea of CoinJoin, theft of coins is excluded as well. CoinShuffle does not require complex cryptography and performs well in practice, even in scenarios with a large number (about 50) of participants. Read the Bitcointalk thread here: https://bitcointalk.org/index.php?topic=567625.0]]></description>
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      <itunes:duration>33:13</itunes:duration>
      <pubDate>Tue, 30 Sep 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Complex iOS Bitcoin App Dev w/ Breadwallet</title>
      <link>https://www.youtube.com/watch?v=OQFpUduwCUM</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

Aaron Voisine, founder and lead developer for Breadwallet. Aaron shares with us some of the complexities of building a sophisticated mobile wallet for iOS with critical security features.]]></description>
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      <itunes:duration>01:10:40</itunes:duration>
      <pubDate>Tue, 16 Sep 2014 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs Seminar: The legal state of Bitcoin dev with Perkins Coie</title>
      <link>https://www.youtube.com/watch?v=kNL8ORwkXOI</link>
      <description><![CDATA[Lowell Ness of Perkins Coie discusses Bitcoin and the Law in the United States]]></description>
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      <itunes:duration>54:54</itunes:duration>
      <pubDate>Tue, 02 Sep 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: A deep dive into understanding Bitcoin mining hashrates</title>
      <link>https://www.youtube.com/watch?v=9aBKLmJ2ebM</link>
      <description><![CDATA[Dave Hudson of Hashingit.com and Peernova as he give us an advanced seminar on Bitcoin hashrates.
Slides from the meetup are here: http://goo.gl/LHQl6p]]></description>
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      <itunes:duration>01:08:06</itunes:duration>
      <pubDate>Tue, 26 Aug 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Crowdcurity presents Bitcoin Web Application Security</title>
      <link>https://www.youtube.com/watch?v=5c7GVNzWW28</link>
      <description><![CDATA[Crowdcurity's Jacob and Christian talks to us about their extensive expertise gained in learning about Bitcoin web application security.

CrowdCurity is a marketplace for web security. We crowdsource security testers and connect them with businesses. We basically do bug bounty programs as-a-service. Bitcoin first.]]></description>
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      <itunes:duration>50:01</itunes:duration>
      <pubDate>Thu, 21 Aug 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Understanding Bitcoinj and Married Wallets with 37Coins</title>
      <link>https://www.youtube.com/watch?v=9oW4DD4KRqk</link>
      <description><![CDATA[Johann Barbie, Co-Founder of 37Coins: Married wallets are a new concept 37coins has implemented and contributed to the bitcoinj repository.  Married wallets allow users to seamlessly fuse their wallet's private keys with a Risk-Management system of their choice.]]></description>
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      <itunes:duration>01:00:50</itunes:duration>
      <pubDate>Wed, 13 Aug 2014 00:00:00 +0000</pubDate>
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      <title>SF Bitcoin Devs: Cointrader Part II - A deep dive into Bitcoin Trading Data Science with Tom Johnson</title>
      <link>https://www.youtube.com/watch?v=bStuO6LgZgA</link>
      <description><![CDATA[Tom Johnson explains data science and algorithmic analysis with Cointrader and Bitcoins

By simultaneously buying and selling irregularities among crypto and fiat currency prices, arbitrage helps smooth the volatility that impedes adoption of BTC as a medium of exchange.  Tom will show the challenges, plus methods and code, for spotting and capitalizing on these trading opportunities.  Two types of arbitrage: Single - (home/crypto currency pairs) and Triangular - (home/2 cryptos or home/crypto/fiat currency triads). A demo using R in AWS cloud with an API of live synthetic prices will illustrate this.  And, Tom will show how using a CSV file from the trading platform, more advanced algorithms get created which can then generate buy or sell signals within the trading engine.]]></description>
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      <pubDate>Wed, 30 Jul 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Tim Olson Presents Cyrpto trading with Java &amp; Cointrader</title>
      <link>https://www.youtube.com/watch?v=UGjP1AYU88E</link>
      <description><![CDATA[Coin Trader by Tim Olson

CoinTrader is a new open-source platform for algorithmically trading cryptocurrencies.  Java-based Coin Trader is designed to explicitly deal with cryptocurrency-specific issues like fractional volumes, long trade delays, nonstandard fee structures, and float roundoffs, and it can already connect to many exchanges, collect and persist market data, export CSVs, and perform ad-hoc data queries.  Accounting and order execution will soon be developed, along with basic arbitrage strategies, trading circuit breakers, and a backtesting harness.  Tim Olson will give an architectural overview of Coin Trader and discuss some basic operational issues around algorithmic trading.  https://github.com/timolson/cointrader]]></description>
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      <itunes:duration>28:19</itunes:duration>
      <pubDate>Tue, 15 Jul 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: An Optimal Bitcoin Mining Strategy - Proof of Idle</title>
      <link>https://www.youtube.com/watch?v=QN2TPeQ9mnA</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

PhD student Thaddues proposes innovative way to optimize bitcoin mining for mining pools and to lower cost of production.

Slides available here: http://goo.gl/S7yhxu]]></description>
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      <itunes:duration>49:37</itunes:duration>
      <pubDate>Tue, 01 Jul 2014 00:00:00 +0000</pubDate>
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      <title>Seminar: The value of Multisig as a Service with Ryan Singer's Cyrptocorp</title>
      <link>https://www.youtube.com/watch?v=TJLvlPpdJMg</link>
      <description><![CDATA[Multisig as a Service]]></description>
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      <itunes:duration>56:05</itunes:duration>
      <pubDate>Wed, 18 Jun 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs: A Deep Dive through the Blockchain.info API</title>
      <link>https://www.youtube.com/watch?v=J60UpynBiWk</link>
      <description><![CDATA[Tim Lee walks us through the Blockchain.info API with demo]]></description>
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      <itunes:duration>23:19</itunes:duration>
      <pubDate>Tue, 17 Jun 2014 00:00:00 +0000</pubDate>
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      <title>Seminar: BitOasis Tom Holub demonstrates Multisig as a Service in Production</title>
      <link>https://www.youtube.com/watch?v=bISC7LHzCNY</link>
      <description><![CDATA[See how BitOasis uses Multisig as a service in production.]]></description>
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      <itunes:duration>25:40</itunes:duration>
      <pubDate>Wed, 11 Jun 2014 00:00:00 +0000</pubDate>
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      <title>Part III: I am Andreas Antonopoulos. Ask me hard questions about Bitcoin</title>
      <link>https://www.youtube.com/watch?v=4WHWB-02bCs</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

Part III and Final part of Andreas Antonopoulos Q&A with the San Francisco Bitcoin Devs meetup on May 5th, 2014]]></description>
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      <itunes:duration>46:03</itunes:duration>
      <pubDate>Thu, 05 Jun 2014 00:00:00 +0000</pubDate>
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      <title>Part II: I am Andreas Antonopoulos. Ask me hard questions about Bitcoin Part II</title>
      <link>https://www.youtube.com/watch?v=2Vrm0EWUpds</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

Part II of Andreas Antonopoulos Q&A with the San Francisco Bitcoin Devs meetup on May 5th, 2014]]></description>
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      <itunes:duration>23:01</itunes:duration>
      <pubDate>Wed, 04 Jun 2014 00:00:00 +0000</pubDate>
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      <title>Part I: I am Andreas Antonopoulos. Ask me hard questions about Bitcoin</title>
      <link>https://www.youtube.com/watch?v=5iwgLHOpnv4</link>
      <description><![CDATA[Want more like this? http://www.sfcryptocurrencydevs.com/

Part I of Andreas Antonopoulos Q&A with the San Francisco Bitcoin Devs meetup on May 5th, 2014]]></description>
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      <itunes:duration>14:29</itunes:duration>
      <pubDate>Mon, 02 Jun 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin Seminar: decloud: A working decentralized cloud storage platform using bitcoin</title>
      <link>https://www.youtube.com/watch?v=NV3erqBwxzs</link>
      <description><![CDATA[Marcell builds a working decentralized cloud storage platform with bitcoin. It just works.

Slides available here: http://goo.gl/IlNbjj
Github Available here: https://github.com/ortutay/decloud]]></description>
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      <itunes:duration>36:07</itunes:duration>
      <pubDate>Mon, 02 Jun 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Let's go create our own HD Web wallet</title>
      <link>https://www.youtube.com/watch?v=cYX0eG0L4jw</link>
      <description><![CDATA[Bitcoin SF Devs Seminar: Let's go create our own HD Web wallet from a fork or carbon wallet.

Check out the github repo at:
https://github.com/SF-Bitcoindevs/bitcoinjslib-wallet

Pull requests welcomed!]]></description>
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      <itunes:duration>35:54</itunes:duration>
      <pubDate>Sun, 27 Apr 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Let's go deep into cryptography principles with Pavel</title>
      <link>https://www.youtube.com/watch?v=vXlRlTmKe0A</link>
      <description><![CDATA[SF Bitcoin Dev Pavel Kravchenko squeezes a few years of cryptography instruction into one tiny 55 minute presentation. WARNING: Dense content! Watch with coffee nearby!

Slides for the presentation are here: http://goo.gl/EaXkx6]]></description>
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      <itunes:duration>55:47</itunes:duration>
      <pubDate>Fri, 18 Apr 2014 00:00:00 +0000</pubDate>
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      <title>Matthieu Riou on How to Create a Custom Bitcoin Client in Go</title>
      <link>https://www.youtube.com/watch?v=RJn139s4wZI</link>
      <description><![CDATA[Matthieu Riou on How to Create a Custom Bitcoin Client in Go.

Powerpoint Slides are here: http://goo.gl/9QRpzP]]></description>
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      <itunes:duration>46:01</itunes:duration>
      <pubDate>Wed, 02 Apr 2014 00:00:00 +0000</pubDate>
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      <title>Bitcoin SF Devs Seminar: Bitcore Deep Dive with Bitpay and Eric Martindale</title>
      <link>https://www.youtube.com/watch?v=nSG9f9q9Fzk</link>
      <description><![CDATA[Eric Martindale of Bitpay teaches you how to use Bitcore to create bitcoin applications and transactions with JavaScript. Following along by getting started at: http://bitcore.io/#started]]></description>
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      <itunes:duration>52:27</itunes:duration>
      <pubDate>Sun, 23 Mar 2014 00:00:00 +0000</pubDate>
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      <link>https://www.youtube.com/watch?v=j_yvrM96GsI</link>
      <description><![CDATA[Sidney Zhang presents on CryptocoinJS, the community fork of bitcoinlib-js
Presentation Slides: http://goo.gl/491vGb]]></description>
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      <itunes:duration>30:30</itunes:duration>
      <pubDate>Wed, 19 Mar 2014 00:00:00 +0000</pubDate>
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      <link>https://www.youtube.com/watch?v=rcVldWhEkWI</link>
      <description><![CDATA[Mike Belshe, Co-Founder and CTO of BitGo discusses P2SH and Multisig address security implementations with BitGO API.

Presentation Slides here:
http://www.slideshare.net/mbelshe/securing-bitcoin-with-p2-sh-31895763

BitGo is Hiring! Check them out at http://www.bitgo.com/]]></description>
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      <itunes:duration>54:00</itunes:duration>
      <pubDate>Fri, 07 Mar 2014 00:00:00 +0000</pubDate>
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      <link>https://www.youtube.com/watch?v=K-ccC9YZ8UI</link>
      <description><![CDATA[Bitcoin SF Devs Multisig Transaction class with Andreas Antonopoulos covering simple transactions,simple multisig transactions and P2SH transactions in bitcoin

A RAW PPT of this presentation can be downloaded here: https://www.dropbox.com/s/gta94uux5n4p1vy/Bitcoin_Multi-sig-Transactions_Andreas.pptx However it may contain errors!]]></description>
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      <itunes:duration>01:24:01</itunes:duration>
      <pubDate>Tue, 14 Jan 2014 00:00:00 +0000</pubDate>
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      <title>Bits of Coin: Interview with Buttercoin's Kevin Zhou</title>
      <link>https://www.youtube.com/watch?v=V2stN1Al10Y</link>
      <description><![CDATA[Bits of Coin: Interview with Buttercoin's Kevin Zhou about their upcoming launch of federated, white-label exchange platform.]]></description>
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