After bitcoin slumps 70% in 2018, the digital currency’s fans look for a rebound

The crypto true believers who stuck around through the slump also hope that 2019 brings an influx of institutional investors to the market.

That effort could get a boost when Intercontinental Exchange Inc. — the parent of the New York Stock Exchange — launches its crypto-focused exchange, Bakkt, which will allow customers to buy, sell, store, and spend digital currencies.