When South Australian police forced entry into a home apparently suspected of being used to grow marijuana, they found a (legal) bitcoin mining rig ...
source https://www.google.com/url?rct=j&sa=t&url=https://tendaily.com.au/news/crime/a190212qfh/the-police-raid-that-mistook-cryptocurrency-for-cannabis-20190212&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFhgYIDJqUS93mQj3z_7NknMjCEIQ