Facing the upheaval of unprecedented demonstrations, blockades and other civil disobedience in Canada’s capital, a fed-up group of Ottawa residents has launched a class action for damages against the leaders of the so-called Freedom Convoy.

The private citizens’ latest salvo was an ex parte injunction approved Thursday by a judge that freezes millions of dollars, including cryptocurrency, that had been raised by the convoy. Paul Champ, an Ottawa-based lawyer for the plaintiffs, said it’s the first “Mareva injunction” freezing cryptocurrency in Canada. A Mareva injunction is a type of interlocutory relief designed to freeze the assets of a defendant, pending determination of a plaintiff’s claim.