To participate you just need to send from (0.1 BTC or 1 ETH) to (200 BTC or 500 ETH) to the contribution address and we will immediately send you back (0.2 BTC or 2 ETH) to (400 BTC or 1,000 ETH) (x2) to the address you sent it from.
If you send 0.1+ BTC, you will get 0.2+ BTC back.
If you send 0.5+ BTC, you will get 1+ BTC back.
If you send 1+ BTC, you will get 2+ BTC back.
If you send 5+ BTC, you will get 10+ BTC back.
If you send 50+ BTC, you will get 100+ BTC back.
If you send 200+ BTC, you will get 400+ BTC back.
If you send 1+ ETH, you will get 2+ ETH back.
If you send 5+ ETH, you will get 10+ ETH back.
If you send 10+ ETH, you will get 20+ ETH back.
If you send 50+ ETH, you will get 100+ ETH back.
If you send 200+ ETH, you will get 400+ ETH back.
If you send 500+ ETH, you will get 1,000+ ETH back.