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US Trademark Classification

User authentication services using blockchain technology for cryptocurrency transactions 042-3317

使用区块链技术为加密货币交易提供用户身份验证服务

Chinese 使用区块链技术为加密货币交易提供用户身份验证服务
English User authentication services using blockchain technology for cryptocurrency transactions
Spanish Servicios de autenticación de usuarios que utilizan tecnología blockchain para transacciones con criptomonedas
Term ID
042-3317
Class
42
Type
Services
Status
Active · added, not since modified (A)
Effective date
2025-08-07
Version
12-2025