[–] r3vamp3d 0 points 1 point 1 point (+1|-0) ago
This isn't a great example but it's not anywhere near just 50
https://bitcoin.stackexchange.com/questions/25806/how-many-coins-does-satoshi-have
There will never be proof of what an anonymous creator holds in an anonymous currency. But there were posts about his wallet showing transactions while the coin hit some peaks that were the reason people suspected he held most of them