purchasing digital currency

3. Efficient logistics support needsUnmanned science and technology: a new boost to coastal defense islands and border defense.Summary: Unmanned technologies such as unmanned aircraft, unmanned driving, unmanned shops, unmanned hotels and unmanned banks have provided a new source of strength for coastal defense islands and border defense to defend the motherland. They have many points of convergence with the needs of coastal defense islands and border defense, and can play a great role in monitoring, dangerous task execution and logistics support. Although it is faced with challenges such as adaptability to complex environment and security and confidentiality in the application process, unmanned technology will be able to better serve coastal defense islands and frontier defense by developing protection technologies and strengthening confidentiality management, and make important contributions to defending the territorial integrity and frontier security of the motherland.

2. Security and confidentiality issuesUnmanned science and technology: a new boost to coastal defense islands and border defense.1. UAV: the eye of the air in coastal defense and frontier defense.

2. Unmanned driving: an intelligent helper for land and sea transportation3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.Unmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.