Blockchain and Cryptocurrencies: a Classification and Comparison of\n Architecture Drivers

Le résumé fourni par la source

Blockchain is a decentralized transaction and data management solution, the\ntechnological leap behind the success of Bitcoin and other cryptocurrencies. As\nthe variety of existing blockchains and distributed ledgers continues to\nincrease, adopters should focus on selecting the solution that best fits their\nneeds and the requirements of their decentralized applications, rather than\ndeveloping yet another blockchain from scratch. In this paper we present a\nconceptual framework to aid software architects, developers, and decision\nmakers to adopt the right blockchain technology. The framework exposes the\ninterrelation between technological decisions and architectural features,\ncapturing the knowledge from existing academic literature, industrial products,\ntechnical forums/blogs, and experts' feedback. We empirically show the\napplicability of our framework by dissecting the platforms behind Bitcoin and\nother top 10 cryptocurrencies, aided by a focus group with researchers and\nindustry practitioners. Then, we leverage the framework together with key\nnotions of the Architectural Tradeoff Analysis Method (ATAM) to analyze four\nreal-world blockchain case studies from industry and academia. Results shown\nthat applying our framework leads to a deeper understanding of the\narchitectural tradeoffs, allowing to assess technologies more objectively and\nselect the one that best fit developers needs, ultimately cutting costs,\nreducing time-to-market and accelerating return on investment.\n

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