# 参加証明NFTの発行

Snapshotでは、ユーザーがイベント参加登録を行った際に参加証明として**参加証明NFT**が発行されます。参加証明書は[Polygon Technology](https://polygon.technology/about)の提供するブロックチェーンである[Polygon PoS](https://polygon.technology/polygon-pos)に刻まれ、永久不滅の証明書となります。所有権の譲渡可能な「**NFT**」、所有権譲渡不可能な「**SBT**」どちらでも設定が可能です。


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