In its first years, the bitcoin system has proven impressive, but it has narrow capabilities. It seemed that we would keep whittling away at its constraints, but the situation changed after the introduction of the Ethereum blockchain, which, unlike bitcoin, can be extended to much more than just managing a digital currency. In fact, Ethereum is a general-purpose blockchain that is more suited to describing business logic, through advanced scripts, also known as smart contracts. As you saw in previous chapters, bitcoin scripts are primarily about expressing ownership conditions and payment rules. For instance, the standard pay to pubkey hash script describes a small program that allows a sender to send coins to a receiver identified by a public key; no wonder, as bitcoin was designed as a cash system. In contrast, Ethereum was designed with a broader vision...
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Bellaj Badr is an experienced security and software engineer who loves blockchain with a passion. Currently, he is the CTO at Mchain, a blockchain start-up that develops blockchain solutions for companies. Alongside his role as CTO, he acts as technical consultant, offering strategic and technical consulting to many companies worldwide. Aside from this, he is involved in many blockchain projects involving the establishment of new blockchain business-oriented protocols. Badr is a frequent speaker at developer conferences and is father to two angels.
Read more about Bellaj Badr
Richard Horrocks is a freelance Ethereum and full-stack developer based in the UK, and holds a BA and MSc in natural sciences from the University of Cambridge. He worked for many years as a technical lead for Cisco Systems, where he worked on the operating systems of carrier-grade routing hardware, before leaving the world of IT to work as an English teacher. The advent of cryptocurrency piqued his interest sufficiently to lead him back to IT, and, since 2015, he has been working with Ethereum and other cryptocurrencies. His specialist interests are cryptoeconomics and incentive layers, with a particular focus on mechanism design and token engineering. When not in front of a computer, he enjoys yoga and falling off motorbikes.
Read more about Richard Horrocks
Xun (Brian) Wu is a senior blockchain architect and consultant. With over 20 years of hands-on experience across various technologies, including Blockchain, big data, cloud, AI, systems, and infrastructure, Brian has worked on more than 50 projects in his career.
He has authored nine books, which have been published by O'Reilly, Packt, and Apress, focusing on popular fields within the Blockchain industry. The titles of his books include: Learn Ethereum (First Edition), Learn Ethereum (Second Edition), Blockchain for Teens, Hands-On Smart Contract Development with Hyperledger Fabric V2, Hyperledger Cookbook, Blockchain Quick Start Guide, Security Tokens and Stablecoins Quick Start Guide, Blockchain by Example, and Seven NoSQL Databases in a Week.
Read more about Xun (Brian) Wu
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Bellaj Badr is an experienced security and software engineer who loves blockchain with a passion. Currently, he is the CTO at Mchain, a blockchain start-up that develops blockchain solutions for companies. Alongside his role as CTO, he acts as technical consultant, offering strategic and technical consulting to many companies worldwide. Aside from this, he is involved in many blockchain projects involving the establishment of new blockchain business-oriented protocols. Badr is a frequent speaker at developer conferences and is father to two angels.
Read more about Bellaj Badr
Richard Horrocks is a freelance Ethereum and full-stack developer based in the UK, and holds a BA and MSc in natural sciences from the University of Cambridge. He worked for many years as a technical lead for Cisco Systems, where he worked on the operating systems of carrier-grade routing hardware, before leaving the world of IT to work as an English teacher. The advent of cryptocurrency piqued his interest sufficiently to lead him back to IT, and, since 2015, he has been working with Ethereum and other cryptocurrencies. His specialist interests are cryptoeconomics and incentive layers, with a particular focus on mechanism design and token engineering. When not in front of a computer, he enjoys yoga and falling off motorbikes.
Read more about Richard Horrocks
Xun (Brian) Wu is a senior blockchain architect and consultant. With over 20 years of hands-on experience across various technologies, including Blockchain, big data, cloud, AI, systems, and infrastructure, Brian has worked on more than 50 projects in his career.
He has authored nine books, which have been published by O'Reilly, Packt, and Apress, focusing on popular fields within the Blockchain industry. The titles of his books include: Learn Ethereum (First Edition), Learn Ethereum (Second Edition), Blockchain for Teens, Hands-On Smart Contract Development with Hyperledger Fabric V2, Hyperledger Cookbook, Blockchain Quick Start Guide, Security Tokens and Stablecoins Quick Start Guide, Blockchain by Example, and Seven NoSQL Databases in a Week.
Read more about Xun (Brian) Wu