Apple: Don't use your iPhone to mine cryptocurrencies

Apple will offer more ways for people to limit the time they spend on iPhones. Features introduced Monday at Apple's Worldwide Developers Conference aim to address criticism that devices are becoming increasingly addictive and distracting. Apple Inc. (NASDAQ: AAPL) released new guidelines for its iOS devices, which ultimately will outlaw "mining" cryptocurrencies. These new rules will restrict apps that drain battery, generate excessive heat, or put unnecessary strain on the device. Tech giant Apple has updated its developer guidelines to explicitly ban "mining" cryptocurrencies like bitcoin. The new rules restrict apps that drain battery, generate excessive heat, or put unnecessary strain on device resources -- all of which take place in bitcoin mining.