The updated guidelines issued by Apple for it developers explicitly bans development of apps that help in “mining” cryptocurrencies.
“Apps, including any third party advertisements displayed within them, may not run unrelated background processes, such as cryptocurrency mining,” Apple said on its website.
With respect to Hardware compatibilities the guidelines number 2.4.2 states
“Design your app to use power efficiently. Apps should not rapidly drain battery, generate excessive heat, or put unnecessary strain on device resources. Apps, including any third party advertisements displayed within them, may not run unrelated background processes, such as cryptocurrency mining.”'
Source:
https://bit.ly/2t1Zp5p
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