Can Blizzard Balance be used to:
1. Gift a Game to a friend ?
2. Gift Blizzard Balance to a friend

Bump

1. Yes
2. You can't gift your own account's Blizzard Balance to other people, if that's what you mean. Check this Blue Post: https://us.forums.blizzard.com/en/wow/t/how-do-i-gift-a-server-transfer-with-my-own-blizzard-balance/62955/3

You can ISO Blizz balance, or fulfill someone else's ISO, here: https://forums.d2jsp.org/forum.php?f=386