Tag cryptocurrency

Smart Contract Security with Emin Gün Sirer

http://traffic.libsyn.com/sedaily/SmartContractSecurity.mp3Podcast: Play in new window | Download A smart contract is a program that allows for financial transactions. Smart contracts are usually associated with the Ethereum platform, which has a language called Solidity that makes it easy to program smart contracts. Someday, we will have smart contracts issuing insurance, processing legal claims, and executing accounting transactions. Smart contracts involve money, and they are likely to transact with cryptocurrencies. That makes

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Blockchain Building with Daniel van Flymen

http://traffic.libsyn.com/sedaily/BuildaBlockchain.mp3Podcast: Play in new window | Download A blockchain is a data structure that provides decentralized, peer-to-peer data distribution. Bitcoin is the most well-known blockchain, but in the next decade we will see many more blockchains. Most listeners probably know that you could just fork the code of Bitcoin to start your own blockchain–but wouldn’t it be nice to know how to build a blockchain from scratch? Daniel van Flymen

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Ethereum Platform with Preethi Kasireddy

http://traffic.libsyn.com/sedaily/EthereumBasics.mp3Podcast: Play in new window | Download Ethereum is a decentralized transaction-based state machine. Ethereum was designed to make smart contracts more usable for developers. Smart contracts are decentralized programs that usually allow for some a transaction between the owner of the contract and anyone who would want to purchase something from the contract owner. For example, I could set up a smart contract where a listener sends my smart

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Bitcoin Segwit with Jordan Clifford

http://traffic.libsyn.com/sedaily/BlocksizeDebate.mp3Podcast: Play in new window | Download Visa processes 1,600 transactions per second. PayPal processes 193 transactions per second. Bitcoin processes only 3-4 transactions per second. In order to fulfill the dreams of financial programming–in order to get decentralized, peer-to-peer micropayments–Bitcoin needs a much higher transaction throughput. Bitcoin’s scalability issues have led to debates within the community and changes in the software. In this episode, Jordan Clifford gives an overview

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Brave Browser with Jonathan Sampson

http://traffic.libsyn.com/sedaily/Brave.mp3Podcast: Play in new window | Download Online advertising enables free content and services of the Internet. One of the free services that is powered by advertising is the browser. 60% of web browsing is done through Chrome, which is owned by Google, which is powered by advertising. The application that most of us use to explore the web is made by a company that relies on ads, so it

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DAO Hack with Matt Leising

http://traffic.libsyn.com/sedaily/DAOHack.mp3Podcast: Play in new window | Download The Decentralized Autonomous Organization (DAO) was a digital form of venture capital. It was an ambitious idea–to provide a new decentralized business model for organizing corporations on top of the Ethereum blockchain. Few people in the crypto community were opposed to this premise–but the timeline was short, the code requirements were tremendous, and in retrospect, a vulnerability was inevitable. The DAO launched in

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Coinbase Currencies with Linda Xie and Jordan Clifford

http://traffic.libsyn.com/sedaily/CoinbaseCurrencies.mp3Podcast: Play in new window | Download Cryptocurrencies have seen a surge of value recently. People are starting to see that bitcoin, ethereum, and other currencies are not just for speculation. At worst, they are a store of value–like digital gold. At best, they are a tool for micropayments, smart contracts, and an entire decentralized financial platform. Coinbase is a company for buying and selling cryptocurrencies. This episode is the

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Fighting Fraud at Coinbase with Soups Ranjan

http://traffic.libsyn.com/sedaily/SoupsPresentation.mp3Podcast: Play in new window | Download A cryptocurrency exchange faces a uniquely difficult fraud problem. A hacker who steals my credentials can initiate a transfer of all my bitcoin to another wallet, and it is a non-reversible, non-identifiable payment. So it is really important to prevent those kinds of fraudulent transactions. At the third Software Engineering Daily Meetup, Coinbase director of data science Soups Ranjan explained how Coinbase stays

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Zcash with Nathan Wilcox

http://traffic.libsyn.com/sedaily/Zcash.mp3Podcast: Play in new window | Download In bitcoin, every transaction in the shared ledger has the sender, recipient, and value. This ledger gets appended infinitely and is shared within a peer-to-peer network. Zcash is a cryptocurrency with all the features of bitcoin, plus encrypted transactions. The sender, recipient, and value fields are all encrypted. If bitcoin is HTTP, Zcash is like HTTPS, a secure transport layer. Nathan Wilcox works

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