At the end of September the French personal data state processing regulator, the Commission Nationale Informatique & Liberté (CNIL), published a preliminary analysis of the issue of what kind of systems suitable for blockchain might apply to personal data processing. The CNIL has also been looking at the issues that are fundamental from the point of view of the GDPR, for example who the controllers and processors are on a blockchain. The CNIL has proposed a number of specific solutions but realises that it does not have extensive knowledge of this technology. It has said that it is open to proposals from experts and says they are welcome to propose their own solutions.
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