The numbers are big enough that I kind of suspect it's the various funds that are doing it. They've probably have some legal gray area intel they're leveraging

The numbers are big enough that I kind of suspect it's the various funds that are doing it. They've probably have some legal gray area intel they're leveraging like paying a guy who knows a guy overseas who knows a guy who's a l33t h4x0r (i.e. someone who got erroneously invited to a group chat).