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Bitcoin has recently received considerable attentions in both academia and industrial areas. It is an appealing anonymous electronic cash system-based peer-to-peer computer networks and does not rely on any centralized trusted authority. The Bitcoin is associated with a public/secret key pair where the security key is only known by its Bitcoin account owner. It is usually hosted on some platform and can only be spent after its owner and the platform sign on Communicated by V. Loia. B Yong Ding

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