认证 rènzhèng to authenticate
to authenticate; to approve
How to remember 认证: 认 recognize + 证 prove = to authenticate.
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How it is used
- To authenticate / certify; certification - 身份认证 (shēnfèn rènzhèng) identity verification; 质量认证 (zhìliàng rènzhèng) quality certification; 官方认证 (guānfāng rènzhèng) officially verified.
- Technical/official register; confirming that something/someone is genuine or meets a standard.
- Common in tech (login authentication) and product/quality certification.