Dear Bolt.co, I truly wish you luck in your fight against Instagram. Name stealing is a rough game. I know because I have been traveling on Bolt buses for 8 years now ( http://www.boltbus.com/ ). I know there is some confusion because you have basically the same symbol. Maybe there aren't too many ways to vary a lightning bolt shooting through an "O" in the word "Bolt" but I welcome you (and Instagram to try). Sincer…
So, while I get your intention, that's not how trademarks work. If Bolt doesn't have a trademark, they should stop complaining.