Reports of Cryptocurrency Exchanges faking volume trade data. Where can one find this report?

In 2018 December there was a research report on cryptocurrency exchanges faking volume trade data. Where can one find this report on these ...

source https://www.google.com/url?rct=j&sa=t&url=https://bitcoin.stackexchange.com/questions/83015/reports-of-cryptocurrency-exchanges-faking-volume-trade-data-where-can-one-find&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEjvflqEYUFvSNu3VrEPUPH36mz3w