DeepOnion is basically a vehicle for the "dev" to get rich, it's a copy pasta of Bitcoin Plus with 0 new code developed.

Whenever the price goes up, you can expect the "dev" to sell some of his holdings. If you observe the trades on nova, whenever DeepOnion goes up, there's a single big dump from someone with seemingly unlimited coins to sell.

He's probably $500,000 richer already looking at the trades on nova.