Hardest to Borrow: A look at Bitcoin Investment Trust (GBTC) cryptopickle Cryptocurrency Investment Brian Guerra takes a look at Bitcoin Investment Trust (GBTC), one of the names on the Hardest to Borrow list generated by IB’s Securities Lending Team. ShareTweet Leave a commentRelated Posts Elon Musk, Bill Gates and Janet Yellen are sending bitcoin tumbling – CNN How to invest in Cryptocurrency & Bitcoin Square buys $170 million worth of Bitcoin