Survey of Anonymous and Tracking Technology in Zerocash

Abstract

In recent years,relying on the research breakthrough and rapid development of blockchain technology,a variety of di-gital currencies are rising and flooding into the market.As the currency with the strongest privacy in the UTXO model of blockchain so far,the anonymity technology of Zcash not only provides a strong guarantee for users' privacy,but also has high scienti-fic research value and a wide range of application prospects.Therefore,in order to standardize the legal use of digital currency and explore the wider application prospect of digital currency anonymity technology,scholars from all walks oflife have also conducted research on the anonymity and anti-anonymity technology of Zcash from different angles.Focusing on Zcash,a new digital currency,we first introduce thegeneral framework of Zcash.Secondly,the anonymous technology adopted by Zcash:zk-SNARKs and shielded pool transaction technology,are sorted out.Then we summarize and analyzethe research on Zcash tracking technology by scholars from all walks of life.In the end,anonymous technology and tracking technology development of Zcash are prospected.

Keywords

• blockchain|zcash|cryptocurrency|digital currency|tracking technology|anonymity technology|zero-knowledge proof|literature review