区块链技术的演变（英文版）

1、Evolution of blockchain technology Insights from the GitHub platform A research report by the Deloitte Center for Financial Services ABOUT THE DELOITTE CENTER FOR FINANCIAL SERVICES The Deloitte Center for Financial Services, which supports the organizations US Financial Services practice, provides insight and research to assist senior-level decision makers within banks, capital markets firms, investment managers, insurance carriers, and real estate organizations. The Center is staffed by a grou

2、p of professionals with a wide array of in-depth industry experi- ences as well as cutting-edge research and analytical skills. Through our research, roundtables, and other forms of engagement, we seek to be a trusted source for relevant, timely, and reliable insights. Read recent publications and learn more about the center on D. COVER IMAGE BY: LUCY ROSE Evolution of blockchain technology Making sense of the noise|2 Blockchain thrives in an open world|4 Repositories reveal interesting trends a

3、bout organizations|7 Programming languages lean toward financial services|12 Identifying blockchain talent by geography|13 How financial services could use the GitHub analysis|15 Appendix|16 Endnotes|18 CONTENTS Insights from the GitHub platform 1 Making sense of the noise F IGURING out how foundational technologies, such as the Internet or mobile, morph and grow is not easy. New technologies often at- tract a wide variety of developers, including many freelancers from around the world. The shee

4、r num- ber of developers, the types of problems they are trying to solve, and the geographic spread can make it difficult to anticipate where any new technology is headed. But perhaps the fundamental difference with blockchain development is that it has largely been orchestrated in the open-source environment. Bit- coin, the original blockchain system, was birthed in open source. Accordingly, in an effort to better understand the development of blockchain and its ecosystem, we have conducted an

5、extensive data analysis of blockchain projects in an open-source environment. Our study appears to be the first empirical attempt to understand the evolution of blockchain using metadata available on GitHub, a global software collaboration platform. We chose GitHub because it is the largest known software collaboration platform in the world, with more than 68 million projects and 24 million par- ticipants (figure 1).1 GitHub also appears to host the most important projects for the blockchain com

6、mu- nity.2 The activity on GitHub provides a unique op- portunity to identify who is behind blockchains de- velopment, what type of programming is powering it, where the talent resides, how networks and com- munities of projects and developers are organized, and what risk factors exist for investing resources into repositories. Financial services firms seem to be leading the way in blockchain applicability; they currently have the most commercial use cases of blockchain in the marketplace. Our f

7、indings could help firms improve their ability to identify successful projects and op- portunities based on how the blockchain ecosystem is evolving. Unless otherwise cited, all data and statistics that we report on blockchain activity on GitHub in this paper is a result of our analysis of the GH Tor- rent project and the GitHub API (see the sidebar, “Study methodology”). We cannot predict the exact trajectory and impact of blockchain technology. But we also should not ignore its early stages of

8、 development and successes along with failures. Tracking this young technologys development could poten- tially maximize its potential to best serve us. Evolution of blockchain technology 2 Deloitte Insights | Source: Deloitte analysis of GH Torrent data and GitHub API data, as of October 12, 2017. Figure 1. GitHub in numbers 24 million GitHub users 68+ million repositories 337 diff erent languages “Repositories” are software projects that host code Watchers vs. committers: A watcher follows the

9、 development of a project and a committer contributes to a project with code “Commits” are contributions to code “Forking” is copying a project into the work environment STUDY METHODOLOGY To conduct our study on GitHub, we utilized data collected by the GH Torrent project, a research initiative led by Georgios Gousios of Delft University of Technology, which monitors the GitHub public event timeline where all of the projects activities and modifications are recorded.3 After this initial process was completed, the information was stored in a relational database. The database compiled by GH Torrent comprises more than 4.7 billion rows of information. To identify relevant projects, we queried the GitHub API about keywords associated to blockchain projects. We used both data sources to identify and build our blockchain projects universe. While our data is not exhaustive, it represents a very large sample of all the blockchain activity regist

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