The recent crypto market bust has left some investors more cautious, after hitting some of the hottest and most-hyped corners of the industry the hardest. The universe of crypto investment alternatives has expanded dramatically in just a ​few years and now includes direct cryptocurrency purchases, spot ETFs, derivatives like put and call options and futures, shares in mining and treasury companies, crypto exchanges and infrastructure providers. "Investment vehicles for bitcoin have exploded across both retail and institutional markets, fundamentally expanding access,” said John D’Agostino, ‌head of strategy at Coinbase Institutional.