As investors show more interest in cryptocurrencies and large asset managers make crypto investments, hedge fund firm Marshall Wace plans to invest in the digital asset sector, the Financial Times reports, citing people familiar with the matter.The company will focus on areas such as blockchain technology, payments systems for digital currencies, and stablecoins, one of the people told the FT.The firm, which manages $55B in assets, is forming a portfolio to take stakes in privately owned digital finance companies that are at a late stage in their development, the person said.When bitcoin (BTC-USD) and other crypto sold off earlier this year, crypto hedge fund Nickel Digital Asset Management's flagship fund turns to cash as it considers its next move.On Friday, the chief investment officer at Absolute Return Partners called private cryptocurrencies "a road to financial disaster."