> For the complete documentation index, see [llms.txt](https://vastmetaverse.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vastmetaverse.gitbook.io/docs/02.-welcome-to-vast/sbts.md).

# SBTs

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VAST is currently in active development. Frequent changes may occur based on discoveries, new technologies and community feedback.
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SBTs (Soulbound Tokens) are a new type of token.

Proposed by Ethereum creator Vitalik Buterin, SBTs are non-transferable, non-financialized tokens for a decentralized society.

Powered by [Matrix](https://matrix.tech), VAST utilizes SBTs (soulbound tokens) to reward [badges](/docs/02.-welcome-to-vast/sbts/badges.md) and build [reputation power](/docs/02.-welcome-to-vast/sbts/reputation-power.md).