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
bc1q89k25gjs6skwf3adkzfkz97vx8mvdw5w50mtzn
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.