# Kiến thức nền tảng

{% content-ref url="kien-thuc-nen-tang/du-lieu-tren-chuoi-la-gi" %}
[du-lieu-tren-chuoi-la-gi](https://userguide.cryptoquant.com/vi/what-is-cryptoquant/kien-thuc-nen-tang/du-lieu-tren-chuoi-la-gi)
{% endcontent-ref %}

{% content-ref url="kien-thuc-nen-tang/why-entity-matters" %}
[why-entity-matters](https://userguide.cryptoquant.com/vi/what-is-cryptoquant/kien-thuc-nen-tang/why-entity-matters)
{% endcontent-ref %}

{% content-ref url="kien-thuc-nen-tang/utxo-la-gi" %}
[utxo-la-gi](https://userguide.cryptoquant.com/vi/what-is-cryptoquant/kien-thuc-nen-tang/utxo-la-gi)
{% endcontent-ref %}