The program under spotlight is Coinhive, a cryptocurrency mining service which relies on a code that is designed to be installed on websites.
source https://www.google.com/url?rct=j&sa=t&url=https://ambcrypto.com/japanese-district-court-exonerates-man-for-using-coinhive-to-mine-cryptocurrency/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFeYC8XOxMQ_UUcIM53k1oFzJSDmw
