How Amazon Detects Linked Seller Accounts: The Browser Fingerprinting Factor

Amazon's account linking detection is more sophisticated than most sellers realize. While most guides focus on IP addresses, Amazon's system uses a multi-signal approach where browser fingerprinting plays a significant role. What Amazon Actually Tracks Amazon uses browser fingerprinting as part of their fraud detection system. When you log into Seller Central, your browser sends dozens of signals: Canvas fingerprint — unique rendering signature of your GPU + browser WebGL renderer — reveals your graphics card model AudioContext fingerprint — unique audio processing signature Installed fonts — OS + application-specific font list Screen resolution and color depth Timezone and language settings Browser plugin list The Correlation Problem The issue isn't any single signal — it's how they're combined. If Account A and Account B both access Seller Central with: Different IPs ✓ Different cookies ✓ Same Canvas fingerprint ✗ Same font list ✗ Same AudioContext signature ✗ Amazon's system flags t