scholarly journals From code to market: Network of developers and correlated returns of cryptocurrencies

2020 ◽  
Vol 6 (51) ◽  
pp. eabd2204
Author(s):  
Lorenzo Lucchini ◽  
Laura Alessandretti ◽  
Bruno Lepri ◽  
Angela Gallo ◽  
Andrea Baronchelli
Keyword(s):  
Open Source ◽  
Market Behavior ◽  
Collaborative Development ◽  
Clear Link ◽  
Founding Principle

“Code is law” is the founding principle of cryptocurrencies. The security, transferability, availability, and other properties of crypto-assets are determined by the code through which they are created. If code is open source, as is customary for cryptocurrencies, this would prevent manipulations and grant transparency to users and traders. However, this approach considers cryptocurrencies as isolated entities, neglecting possible connections between them. Here, we show that 4% of developers contribute to the code of more than one cryptocurrency and that the market reflects these cross-asset dependencies. In particular, we reveal that the first coding event linking two cryptocurrencies through a common developer leads to the synchronization of their returns. Our results identify a clear link between the collaborative development of cryptocurrencies and their market behavior. More broadly, they reveal a so-far overlooked systemic dimension for the transparency of code-based ecosystems that will be of interest for researchers, investors, and regulators.

The Social Production of Ethics in Debian and Free Software Communities

2005 ◽  
pp. 273-295 ◽  
Author(s):  
E.G. Coleman ◽  
Benjamin Hill
Keyword(s):  
Open Source ◽  
Free Software ◽  
Social Production ◽  
Software Projects ◽  
Collaborative Development ◽  
Software Licenses ◽  
The Social ◽  
Volunteer Labor ◽  
Ethnographic Analysis

This chapter examines the way that participation in Free software projects increases commitments to information freedom among participants. With the Debian project as its core case study, it argues that in Free and Open Source software communities, ethics are reinforced through the sustained collaborative development of code and discussions and decisions around Free software licenses and project policy. In the final section, the chapter draws on the ethnographic analysis of ethical cultivation in Debian to describe a model of ethical volunteerism based on institutional independence, volunteer labor, and networks of trust that is applicable to a range of vocations.

scholarly journals Description and validation of the ice-sheet model Yelmo (version 1.0)

2020 ◽  
Vol 13 (6) ◽  
pp. 2805-2823
Author(s):  
Alexander Robinson ◽  
Jorge Alvarez-Solas ◽  
Marisa Montoya ◽  
Heiko Goelzer ◽  
Ralf Greve ◽  
...  
Keyword(s):  
Open Source ◽  
Hybrid Approach ◽  
Ice Sheet ◽  
Thermomechanical Model ◽  
Ice Dynamics ◽  
Collaborative Development ◽  
Benchmark Tests ◽  
User Friendly ◽  
The Antarctic

Abstract. We describe the physics and features of the ice-sheet model Yelmo, an open-source project intended for collaborative development. Yelmo is a thermomechanical model, solving for the coupled velocity and temperature solutions of an ice sheet simultaneously. The ice dynamics are currently treated via a “hybrid” approach combining the shallow-ice and shallow-shelf/shelfy-stream approximations, which makes Yelmo an apt choice for studying a wide variety of problems. Yelmo's main innovations lie in its flexible and user-friendly infrastructure, which promotes portability and facilitates long-term development. In particular, all physics subroutines have been designed to be self-contained, so that they can be easily ported from Yelmo to other models, or easily replaced by improved or alternate methods in the future. Furthermore, hard-coded model choices are eschewed, replaced instead with convenient parameter options that allow the model to be adapted easily to different contexts. We show results for different ice-sheet benchmark tests, and we illustrate Yelmo's performance for the Antarctic ice sheet.

scholarly journals Collaborative Development within Open Source Communities

2011 ◽  
pp. 1265-1271
Author(s):  
Javier Soriano ◽  
Sonia Frutos ◽  
Jiménez. Miguel
Keyword(s):  
Open Source ◽  
High Performance ◽  
Ad Hoc ◽  
Community Building ◽  
The Internet ◽  
Collaborative Development ◽  
The World ◽  
Open Source Communities

Open source communities are one of the most successful-- and least appreciated--examples of high-performance collaboration and community building on the Internet today. Open source communities began as loosely organized, ad-hoc communities of contributors from all over the world who shared an interest in meeting a common need. However, the organization of these communities has proven to be very flexible and capable of carrying out all kind of developments, ranging from minor projects to huge programs such as Apache (Höhn, & Herr, 2004; Mockus, Fielding, & Herbsleb, 2005).

A Generic Internet Trading Framework for Online Auctions

2011 ◽  
pp. 272-290
Author(s):  
Dong-Qing Yao ◽  
Dong-Qing Qiao ◽  
Haibing Qiao
Keyword(s):  
Open Source ◽  
Online Auctions ◽  
Electronic Market ◽  
Market Behavior ◽  
Market Mechanisms ◽  
Future Directions ◽  
Web Interfaces ◽  
Framework Design ◽  
Free Open Source ◽  
Bidding Language

In this chapter, we introduce a generic Internet trading framework for online auctions. We present the requirements and service of the framework. A generic OR/XOR bidding language that can express different OR/XOR combinations is adopted for Web interfaces. The framework is implemented with free open-source technologies already successfully tested in industries. Researchers can use the platform to implement different electronic-market mechanisms, simulate the market behavior of their interests, and experiment with it. We also provide future directions for the framework design.

Collaborative development of open source-appropriate technologies: a way to reduce the global access gap?

2015 ◽  
Vol 1 (2) ◽  
pp. 37-38 ◽  
Author(s):  
Roberto Aufieri ◽  
Simonetta Picone ◽  
Piermichele Paolillo
Keyword(s):  
Open Source ◽  
Collaborative Development ◽  
Global Access

Managing Resource Allocation and Task Prioritization Decisions in Large Scale Virtual Collaborative Development Projects

2010 ◽  
Vol 23 (2) ◽  
pp. 53-76 ◽  
Author(s):  
Sharif H. Melouk ◽  
Uzma Raja ◽  
Burcu B. Keskin
Keyword(s):  
Resource Allocation ◽  
Open Source ◽  
Large Scale ◽  
Development Project ◽  
Operational Performance ◽  
Software Systems ◽  
Software System ◽  
Collaborative Development ◽  
Task Prioritization ◽  
And Task

The authors use a simulation approach to determine effective management of resource allocation and task prioritization decisions for the development of open source enterprise solutions software in the context of a large scale collaborative development project (CDP). Unlike traditional software systems where users have limited access to the development team, in open source environments, the resolution of issues is a collaborative effort among users and the team. However, as the project grows in size, complexity, and usage, effective allocation of resources and prioritization of tasks become a necessity to improve the operational performance of the software system. In this paper, by mining an open source software repository, the authors analyze the effects of collaborative issue resolution in a CDP and its effects on resource allocation of the team developers. This article examines several scenarios to evaluate the effects of forum discussions, resource allocation, and task prioritization on operational performance of the software system.

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