MIT Uses Cryptographic Ledger to Track Police Surveillance
“MIT researchers have created a digital ledger to help track police surveillance and usage of data collected by private companies. Investigators frequently need to access online data from tech companies — data which users might think is private and protected. When this data is accessed by law enforcement, certain information needs to stay secret so as to not compromise the investigation. At the same time, knowing what data was accessed by law enforcement allows the public to hold law enforcement and the legal system accountable. This blockchain application will add time and other event triggers to law enforcement data usage. After the relevant investigation(s) expire, information about the accessed data can immutably be published to the blockchain. The MIT team proposes leveraging a blockchain-based ledger and smart contracts to ensure transparency and accountability when it comes to law enforcement accessing our online data…”
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