There is substantial controversy surrounding Tether, a cryptocurrency that claims to be pegged to the U.S. dollar. According to Tether, each Tether token is backed by one U.S. dollar, held in the full reserve of Tether. But the existence of the U.S. dollars pegging Tether has been called into question. Moreover, worries exist that Bitfinex has been using Tether to the prop up the price of Bitcoin.Research into Tether shows that misconceptions exist regarding how Tether functions. These misconceptions, in turn, may be contributing in part to the existing controversies. By better understanding how Tether functions, it may be possible to provide some clarity. Analysis of how Tether functions, for example, shows that it is not possible to prop up the price of Bitcoin on Bitfinex through Tether — regardless of whether or not these tokens are backed.