Unverified50% confidenceFactExact time
现代风控系统使用设备指纹技术，采集主板UUID、硬盘序列号、MAC地址等数十项维度生成唯一设备标识符，即便更换账号同一设备指纹仍可被关联识别
1
Sources
50%
Confidence
Long-term
Relevance
7/23/2026
First Seen
Sources
Related Claims
UnverifiedOfficial risk-control systems distinguish normal users from abnormal callers through device fingerprinting (collecting dozens of attributes such as hardware serial numbers, MAC addresses, and CPU identifiers, then hashing them into a unique identifier) and behavioral sequence analysis.85% similarUnverifiedDevice fingerprint technology collects dozens of parameters including hardware information, OS version, and browser characteristics to generate unique identifiers for tracking user identity.75% similar
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