Research on Tracking and Tracing Bitcoin Fund Flows

Aiming at the problem of illegal activities of Bitcoin, in this paper, transaction data structure of Bitcoin and data storage mechanism of Bitcoin Core (official client for Bitcoin) and are firstly analyzed, then a MapReduce-based structured method for processing transaction data from Bitcoin Core is introduced. Based on above knowledge, mechanisms of tracking and tracing Bitcoin fund flows are proposed, along with the visualization powered by D3.js. This paper provides a practical tool for researching and analyzing flows of illegal transaction funds.