> For the complete documentation index, see [llms.txt](https://foru-ai.gitbook.io/foru-ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://foru-ai.gitbook.io/foru-ai/foru-trust-architecture/2.-trust-data-layer.md).

# 2. Trust Data Layer

<figure><img src="/files/pgRL67mz78PPTrDdp2JM" alt=""><figcaption></figcaption></figure>

The Trust Data Layer gathers and validates the signals used to calculate reputation. These signals come from a combination of social activity, blockchain interactions, and structured ecosystem participation.

Key components include:

* **Social Signal Aggregation**\
  Data derived from activity across connected social platforms.
* **On-chain Activity Signals**\
  Wallet activity, transaction behavior, and blockchain participation.
* **Community Intelligence Engine (CIE)**\
  Campaign participation and verified engagement data from brands and ecosystem partners.
* **Referral Engine**\
  Verified influence signals generated through referrals, conversions, and community-driven growth.
* **Behavioral Validation Engine**\
  Systems designed to detect spam, Sybil behavior, and low-quality automated activity.

Together, these systems convert fragmented digital behavior into structured reputation signals.

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