# Solution

In 2017, CryptoPunks pioneered the concept of NFTs, while Cryptokitties introduced ERC721, paving the way for the NFT industry. Since then, NFTs have been widely applied in the fields of art and gaming. However, recent liquidity issues and outdated narratives have caused a slump in the NFT market.

Still, NFT is a very useful tool. It serves as a versatile key that enables liquidity and composability.

Now we may use this key to open a gate to a new world of **Interaction Abstraction**.

A3S Protocol provides a solution that modularizes the interactive process by packaging the functional smart contracts into individual Smart NFTs. These NFTs act as virtual smart chips, allowing users to construct customized smart interaction flows simply by purchasing and assembling these Smart NFTs.

{% tabs %}
{% tab title="Smart Interaction" %}

<figure><img src="/files/wHkN6ZOVXUbMP69F7o7B" alt=""><figcaption><p>Abstract Smart NFTs and Customize Smart Interactions</p></figcaption></figure>
{% endtab %}
{% endtabs %}


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