These protests caused hundreds of millions of dollars worth of damage. There is a $300M lawsuit against the occupiers in Ottawa, similar ones will happen against the occupiers of the Ambassador bridge.
The bank accounts have been frozen via two different mechanisms -- by the use of the Emergency Measures Act, and by a preliminary ruling in the civil court.
The freezing via the EMA would thaw after the EMA expires in a few days. The freezing by the civil court will not, and will likely result in the loss of those bank accounts.