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SBT

formal

Also: soulbound tokensoulbound

1 min readupdated 2026-05-29✏️ Suggest an edit🕑 History

An SBT (Soulbound Token) is a non-transferable NFT, permanently tied to its owner. Used for reputation, achievements, on-chain certificates, proof-of-participation (POAP).

On TON, an SBT is an extension of the NFT standard: the contract ignores or reverts transfer messages.

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