> For the complete documentation index, see [llms.txt](https://lemonchain.gitbook.io/lemonchain_whitepaper_v1.9_eng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://lemonchain.gitbook.io/lemonchain_whitepaper_v1.9_eng/whitepaper/4.-technical-details-of-lemonchain.md).

# 4. Technical details of LEMONCHAIN

LEMONCHAIN platform is composed through utilization of 3 layers, namely, data accumulation, data inquiry and data utilization.

<figure><img src="/files/4gw3r6JDosxYCwmvcvPx" alt=""><figcaption></figcaption></figure>

{% content-ref url="/pages/QIhuqSMIXX2ossPqi5or" %}
[4.1 1st layer: Data accumulation](/lemonchain_whitepaper_v1.9_eng/whitepaper/4.-technical-details-of-lemonchain/4.1-1st-layer-data-accumulation.md)
{% endcontent-ref %}

{% content-ref url="/pages/oK0TgV4hB3oBwPKNJ1H3" %}
[4.2 2nd layer: Data inquiry](/lemonchain_whitepaper_v1.9_eng/whitepaper/4.-technical-details-of-lemonchain/4.2-2nd-layer-data-inquiry.md)
{% endcontent-ref %}

{% content-ref url="/pages/rGfWxjO3lguPstHwsMZV" %}
[4.3 3rd layer: Data utilization](/lemonchain_whitepaper_v1.9_eng/whitepaper/4.-technical-details-of-lemonchain/4.3-3rd-layer-data-utilization.md)
{% endcontent-ref %}