This bill would provide comprehensive definitions for the business operations of digital or virtual currency, definied as "blockchain," and would authorize such operations including so-called "virtual currency mining."  The bill would prohibit cities from imposing noise or sound regulations on home-based operations that differ from general noice or sound regulations on residential property and would prohibit cities from imposing noise or sound regulations on commerical or industiral operations that differ from general noice or sound regulations on industrial property.  The bill would further prohibit regulations of currency mining by cities that differ from regulations imposed upon data-centers.  The bill would allow home-based currency mining so long as the operation complies with noise regulations.  Finally, the bill would allow commercial and industrial currency mining in any area zoned for industrial use.