"...the bill forbids the government from impairing the right to use coins and tokens in transactions – provided the transactions would otherwise be legal – and to self-custody said assets and reiterates that miners cannot be given discriminatory rates – such as for electricity – due to their activities.

...

The bill has a counterpart in Nebraska and 11 additional states."

https://finbold.com/missouri-enshrines-right-to-trade-bitcoin-into-law/