For security agencies, blockchain goes from suspect to potential solution

Sydney

POLICE and security agencies have so far only taken an interest in blockchain - the distributed ledger technology behind cryptocurrencies like bitcoin - for tracking criminals hiding illegal money from banks.

But that's changing as some civilian, police and military agencies see blockchain as a potential solution to problems they have wrestled with for years: how to secure data, but also be able to share it in a way that lets the owner keep control.