Oleksandr Ivanov (aka cryptofan) is a crypto analyst, data scientist, and PhD candidate at University of Groningen. In his short research he applies the critical analysis of recent accusations that Tether supply has been manipulated in order to use pump-and-dump scheme on the price of Bitcoin.
The past week or so has been quite remarkable considering significant price differences at various bitcoin exchanges. It is most noticeable in case of Bitfinex, where Bitcoin is still trading at significant premium. At times, the spread reached $110.
Quite often, our understanding of a cryptocurrency is limited by what we found out about it in media or on forums.