Companies that unlock new bitcoins are revamping their businesses to depend less on the cryptocurrency ahead of a supply contraction that will cut profits in half. The crypto industry is holding its breath for an event called the halving, an adjustment to the bitcoin blockchain that cuts in half the number of bitcoins that can be unlocked by miners. Bitcoin’s supply was capped at 21 million by its pseudonymous creator Satoshi Nakamoto, and more than 90% have already been released.