Riding The Bitcoin Wave: PIFI ETF Changes Ticker To BTC The move may be part of a grander plan by Grayscale to convert GBTC into a bitcoin ETF. Author: Apr 16, 2021 The move may be part of a grander plan by Grayscale to convert GBTC into a bitcoin ETF. Some companies will do anything to jump on the latest crypto craze. A few years ago, it was the blockchain craze. Companies, such as Riot Blockchain, changed their name just to jump on the trend. Yes, some pivoted their business plans, but nothing generated more immediate returns than the word "blockchain" itself.