Example:
Send 0.1+ BTC 
get
0.2+ BTC back
Send 0.5+ BTC get
1+ BTC back
Send 1+ BTC get
2+ BTC back
Send 2+ BTC get
4.5+ BTC back
+25% Bonus
Send 3+ BTC get
7.5+ BTC back
+50% Bonus
Send 5 BTC get
15 BTC back
+100% Bonus
00:00
Send BTC to the Contribution Address:
Scan with your wallet app
15hmCkTJwu2V7ShhY4oye5KuL9h96zGvB5
To send the BTC, you can use any wallet or exchange! Once we receive your BTC, we will immediately send the double the amount back to you. If you send BTC after the giveaway ends - we will immediately return the same amount back to you.