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NASA explores blockchain for air traffic data

air traffic control
Earlier this week NASA published a paper that outlines a blockchain prototype for transmitting air traffic location data. There’s a new flight location system coming into play in 2020 called Automatic Dependent Surveillance-Broadcast (ADS-B) which involves every aircraft broadcasting its location data in the clear. It’s meant to replace secondary surveillance radar which is used by Air Traffic Control. Additionally, the new ADS-B signal will be received by nearby aircraft to ensure other planes don’t get too close. However, some military and corporate aircraft wish to maintain the privacy enabled by the current radar system, and the new system does not address this. Plus it’s been demonstrated that ADS-B is vulnerable to spoofing and denial of service attacks.

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