This article considers the impact of blockchain technology on General Data Protection Regulation (GDPR) and questions the compatibility between the GDPR, particularly, Article 17 (Right to be Forgotten). Through an analysis of the development of the GDPR and Article 17, the paper clarifies that the general requirements of GDPR and blockchain technology are generally consistent but falls short when dealing with how data can be rendered ‘forgotten’ on the blockchain, rather than deleted. Highlighting these challenges, the paper presents and evaluates a number of possible solutions for consideration (to be published)