What are the in-game currencies used in Pokémon TCG Live? How are they used? – Pokémon Support

Coins

How Coins are used. You can exchange Coins for avatar and deck items, such as deck boxes and card sleeves.
How to obtain Coins. Coins are earned by completing quests, unlocking Battle Pass tiers, and leveling up. You can also exchange Crystals for more Coins in the shop.

How Credits are used. You can exchange Credits for individual cards in the Deck Editor.
How to obtain Credits. Credits are earned by unlocking Battle Pass tiers and leveling up. Also, additional copies of cards are automatically converted to Credits when a player receives a card that they already own four copies of—or more than one copy of an ACE SPEC, Prism Star, or Pokémon Star card; one copy of each part of a Pokémon V-UNION card; or 59 copies of a basic Energy card (excluding non-foil basic Energy cards without a collector number or expansion icon).

How Crystals are used. You can exchange Crystals for booster packs and bundles, as well as avatar and deck items. In addition, you can redeem Crystals to upgrade your experience to the Premium Pass and the Premium Pass+, which provide premium rewards.
How to obtain Crystals. Crystals are earned by completing quests, unlocking Battle Pass tiers, and leveling up.