Volition Capital led a $35m Series B round in ButterflyMX, creator of the smart intercom, a secure and convenient smartphone-based technology, with participation from Egis Capital, RiverPark Ventures and Stifel Venture Bank. The round will enable ButterflyMX to expand into new markets and introduce new products that extend its award-winning smart intercom access experience from the front door to the rest of the building.