# 2.2 Technical Architecture and Security

A) Open source and no backdoor policy

BBC  platform code is completely open source and the source code of all core modules is open and transparent, allowing anyone to review and verify it. This policy ensures transparency and trust in the system and avoids the possibility of unauthorized changes or hidden features. The platform strictly follows a no-backdoor policy to ensure that all code and functionality is operated under the supervision of the open source community, eliminating any hidden pathways that could damage user data and assets.

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B) Data Privacy and Security Measures

Data privacy and security is a top priority for BBC . The platform employs multi-layered security measures to protect user data, including but not limited to:

Encrypted Transmission: All data is encrypted during transmission using SSL/TLS protocol to ensure the security of data in network transmission.

&#x20; Decentralized storage: Sensitive data and critical information are encrypted and stored using distributed storage technology to prevent single point of failure and data tampering.

&#x20; Privilege Control: Strict privilege management mechanism ensures that only authorized personnel can access and operate critical data and system functions.

&#x20; Multi-Factor Authentication: Provides multi-factor authentication options for user accounts to enhance account security.

&#x20; Security Audit: Regular internal and third-party security audits are conducted to identify and fix potential security vulnerabilities in a timely manner.



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