# Algo and curated tokenslices

There are **two kinds of tokenslices**:

* [**Algo tokenslices**](https://gitbook.slicer.xyz/create-an-algo-tokenslice) use a set of filters (like "trading volume more than $1M" and "more than 50 new holders in the last hour") to search the universe of all tokens and identify ones with specific properties. Matching tokens are updated in real time and are always fresh to the latest block. Once an algo tokenslice is created, tokens will be added and removed as they match or stop matching the algo tokenslice's conditions.
* [**Curated tokenslices**](https://gitbook.slicer.xyz/create-a-curated-tokenslice) are lists of tokens that are either added manually by a user (think, "Coins to watch in July") or (soon!) that are sourced from an external source via API (e.g., CoinGecko's [Real World Assets list](https://www.coingecko.com/en/categories/real-world-assets-rwa)). Curated slices are especially useful as building blocks for complex strategies: You can build algo tokenslices [on top of](https://gitbook.slicer.xyz/composing-slices) curated tokenslices.


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