It can be, if you send files larger than 5GB. https://wormhole.app/faq

Yeah, it uses webtorrent behind the scenes: https://webtorrent.io

...which is freaking awesome torrent software, by the way.

It's okay - 99% of the video files I download have to be opened in VLC, though :/

But still, being able to almost immediately stream, even if through VLC, is pretty nice.