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Compressed NFTs

Bubblegum stores NFTs in a Merkle tree instead of individual accounts — millions of NFTs for the cost of a few accounts.

Bubblegum — TreeConfig & Leaf Schema

Metaplex Bubblegum

How compressed NFTs work — a small TreeConfig account governs a Merkle tree, and each NFT is a hashed leaf (LeafSchema) rather than its own account. Millions of NFTs for the cost of a few accounts.

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