Learn

Contributor knowledge base

20 guides across 5 categories.

Getting Started4 modules
Welcome to 4D Labs

What the network is, how it works, and where you fit in.

2 minarticle
Creating your account

Account Abstraction wallets explained — no seed phrase required.

3 minguide
Understanding contributor tiers

Bronze → Diamond: how points accumulate and what each tier unlocks.

4 minarticle
xScanner App overview

Install the app, grant camera permissions, and make your first scan.

5 minvideo
Earning Tasks4 modules
How photo check-in works

Select a region, snap a photo, and earn daily points with streak bonuses.

5 minguide
Completing social tasks

Follow, repost, and join — verified social actions and how to confirm them.

3 minarticle
Referral program guide

Invite link mechanics, qualification rules, and milestone tiers.

4 minarticle
Reading your leaderboard rank

How your composite score is calculated across all task types.

3 minarticle
3D Data Contribution4 modules
Introduction to 3D data capture

Why spatial data matters and what makes a qualified video submission.

6 minvideo
Video quality standards

Resolution, frame rate, motion blur, and lighting requirements.

5 minguide
Data grades explained

Raw vs Processed vs Semantic — reward multipliers and upgrade paths.

4 minarticle
Submission review process

What reviewers look for, how long it takes, and how to appeal.

3 minarticle
Device Guides4 modules
Phone mount setup

Attach, calibrate, and configure your phone for ego-centric scanning.

4 minguide
Head mount setup & calibration

Dual-camera alignment, IMU initialization, and fit adjustment.

8 minvideo
UMI Gripper basics

Mounting on robot arms, calibrating the wrist camera, capture modes.

6 minguide
Surround Rig: setup and scan workflow

Multi-camera sync, LiDAR initialization, and operator best practices.

12 minvideo
Quality & Best Practices4 modules
Scanning best practices

Walk speed, sweep patterns, and scene coverage guidelines.

5 minguide
Choosing high-value locations

Scarcity scoring, bounty zones, and how to find premium capture areas.

4 minarticle
Common rejection reasons

The top 5 reasons submissions are rejected and how to avoid them.

3 minarticle
Privacy compliance guide

Face blurring, license plates, and private property rules.

3 minarticle