# Introduction

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**What are NFTs?** NFT (Non Fungible Token or Non-Fungible Tokens), is a digital certificate of authenticity that, through blockchain technology, the same one used in cryptocurrencies (tokens), is associated with a single digital file. A non-fungible asset is one that is not consumed by its use, cannot be replaced, and is not substitutable. It is something unique, unlike what happens with money: you can freely exchange a 10-euro note for another 10-euro note because both notes have the same value, they are fungible. The same goes for cryptocurrencies. At the other extreme, a work of art is the most illustrative example of a non-fungible asset: it is an unrepeatable, unique piece, irreplaceable by another.
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### Guides: Jump right in

{% content-ref url="about-collection/about-chronogp" %}
[about-chronogp](https://chrono-gp.gitbook.io/chrono-gp/about-collection/about-chronogp)
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{% content-ref url="about-collection/chronogp-nft" %}
[chronogp-nft](https://chrono-gp.gitbook.io/chrono-gp/about-collection/chronogp-nft)
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{% content-ref url="about-collection/nft-platform" %}
[nft-platform](https://chrono-gp.gitbook.io/chrono-gp/about-collection/nft-platform)
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### Fundamentals:

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[Broken link](https://chrono-gp.gitbook.io/chrono-gp/broken-reference)
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{% content-ref url="more-info/faqs" %}
[faqs](https://chrono-gp.gitbook.io/chrono-gp/more-info/faqs)
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