In May 2018, the General Data Protection Regulation, or GDPR as it is sometimes known, became lawfully restrictive across the EU. The legislation strengthened information subjects' rights in relation to information controllers and processors and gave them more control over their own information. Additionally, it increased their level of transparency regarding the use of their data. The rapid advancement of innovation and globalisation, as stated in the presentations of the Overall Information Security Guideline (GDPR), has led to new concerns for the assurance of personal information. Confidential organisations and governmental organisations were making unprecedented use of individual people's information for their own projects. Since the blockchain used by the general public is entirely decentralised, it ultimately rests on the users to decide both the rules that govern it and the data that it stores. All things being equal, distributed correspondence is used to direct financial and other types of exchanges; no middlemen or power brokers are needed. Strong hashing calculations and the use of hilter-kilter cryptography protect the blockchain exchanges that are transmitted. Despite the growing interest in the use of blockchain technology as well as the General Data Protection Regulation's (GDPR) ability to apply to all tactics, it is important to break down the salient features of public blockchains in light of the GDPR's requirements. Research has been done to determine whether ordinary people can be identified within a public blockchain, who should be viewed as the information regulator and information processor within a public blockchain, and whether the GDPR standards can be applied within a decentralised, widely adopted innovation.