First of all you need to have a crypto wallet. If you don’t have one, you can use the one from P100.

When you have a voucher GMC, you need to go on : https://giftmecrypto.io/en  

1/ Click on top right button on “redeem voucher”,
2/ Enter the voucher code (32 digits),
3/ Enter your email address,
4/ Pick the desired crypto between 8 of the most popular crypto,
5/ Enter your wallet address and click on redeem,
6/ You will have a summary of your transaction appearing and your crypto will arrive soon in your wallet.

Note: You can choose one currency at a time and can only redeem your whole voucher at once. Once you’ve done that, you should give it up to 30 minutes for your cryptocurrency to arrive in your wallet. After that, you can use your new wallet balance as you like.