Miners can give the GiftCard to others to use both parties can increase Hashrate power, increase 'MyHash' power and 'Contributed' Hashrate power. More power you have, more BTCs you get.
Example, you give GiftCard code to Batman, than Batman's 'MyHash' will increase +30k hash power, and you will get 1k hash power.
Instructions about GiftCard code:
How To Use GiftCard?
If you have not use GiftCard from anyone you can ask me, you can chat me at WhatsApp https://wa.me/message/3XZZD5OQOGGLG1
Or Telegram @berichonly
But if you register with my link referral, just go to your BTCs Application, click Chat menu, check at 'MineFactory' side, and check there daily, couse i always share GiftCard codes there daily. Type that code in your chat box, and than copy it.
After you get and copy that GiftCard code, and than
Click GiftCard > Click Use GiftCard > paste that code > confim > close
