Towards Application Portability on Blockchains

01/04/2018

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by   Kazuyuki Shudo, et al.

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We pose a fundamental problem of public blockchain, "incentive mismatch." It is an open problem, but application portability is a provisional solution to the problem. Portability is also a desirable property for an application on a private blockchain. It is not even clear to be able to define a common API for various blockchain middlewares, but it is possible to improve portability by reducing dependency on a blockchain. We present an example of such middleware designs that provide application portability and especially support migration between blockchains.