electronic currencies exchange Knowledge

2. Security and confidentiality issues2. Security and confidentiality issues3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.

2. Security and confidentiality issues2. Task execution in dangerous environmentFirst, the frontier development and multiple capabilities of unmanned technology

Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.2. Unmanned driving: an intelligent helper for land and sea transportation