Covert communication enables covert information transmission in an undetectable way to
prevent the exposure of communication behaviors. Blockchain-based covert communication …

Traditional network covert channels have become insecure due to the continuous
improvement of traffic analysis techniques. As an emerging technology combined with …

The traditional covert communication channel relying on a third-party node is vulnerable to
attack. The data are easily tampered with and the identity information of the communication …

The secret information may be compromised for the lack of security and concealment in
conventional covert communication. Blockchain is a suitable platform for establishing covert …

Blockchain, as a decentralized database, provides natural anonymity and tamper-
resistance, safeguarding the identity of both parties in covert communication and preventing …

The quality of covert communications is determined by the choice of communication
channels and the design of data embedding schemes. Recently, the Bitcoin system is …

Covert channels are designed to protect the communication relationship of the sender and
receiver. Traditional covert channels have become insecure due to the continuous …

Blockchain-based covert communication has opened up a new research direction for the
covert communication field. In blockchain-based storage covert communication, reliability …

通信双方修改某类共享资源且不引起其他用户注意的通信方法被称作隐蔽通信,
而区块链作为一种去信任, 可溯源, 不可篡改的分布式数据共享技术平台, 伴随着相关领域拓展的 …

Blockchain-based censorship-resistant systems enable the user to access the blocked
content through a covert channel while avoiding a suspicious network connection between …