Social Media Data

The description of blockchain is described differently by everyone some describe blockchain as an improvised version of the internet. The blockchain technology is designed to promote user responsibility and data security that is lacking in how data is handled on the internet at present [22]. The primary purpose of blockchain was only for Bitcoin and its use in finance, it soon changed social media platforms and how online business is conducted. Blockchain-based social media will improve the transparency and security of data. Blockchain’s immutability will make identity verification of users easier and prevent identity theft as users without proper authorization’s access will be denied automatically. It can also reduce fake content, spambots, and fraudulent ad impressions, etc.

Blockchain has enforced social media platforms to reorganize their sharing algorithm, data security policy, and payment methods to increase the security of data. For large firms and leading companies that rely on social advertising, blockchain technology has entailed fast thinking on how to adopt crypto-transactions in their business.

Nowadays everyone is having more than one account on social media to interact with friends and family. The social media platform has full access to the personal data and information that is provided to the social media platforms. The social media platforms can give information to stakeholders or to anyone who pays a huge sum of money. They usually need the information to create highly targeted ads and campaigns. At this point, the safest way to take full control is to make a switch to block- chain-based social media platforms, which are the ultimate solution to privacy and data security problems. These decentralized versions of social media channels have strong end-to-end encryption; users can rest easy knowing that no digital breach will be left behind for the third party to pick up. These blockchain-based social media platforms own digital currencies that can be used to process in-platform transactions to make the system more secure.

Space Data

The existing space tech and space development sector is still dominated by national and supranational space programs like NASA, the Canadian Space Agency, the European Space Agency (ESA), China’s CNSA, and Russia’s Roscosmos. They have their means of secure, reliable communications and will not share crypto enthusiast’s desire for eluding national authority.

These agencies are noticeably cautious. A recent study by the ESA on earth observation (EO) pointed out that distributed ledgers are not yet considered to be immediately applicable to space systems operations and EO data exploitation. They are clear that they believe that there is a need to demonstrate how blockchain could help solve existing challenges for the EO sector, that many of the benefits of blockchain are theoretical, and that scalability is a large concern.

The EO is growing due to the benefits of big data applications, artificial intelligence (AI), and machine learning. Machine-to-machine (M2M) communications within networks are becoming more routine, and data or information network flows are becoming less linear and more dynamic.

The ESA believes that the growth of these automated dynamic networks may create a need for a secure, definitive reference for data distribution and tracking, as well as the record of processing steps. The traceability and immutability of these kinds of transaction records will be precious, as will those of mission planning and operations, digital supply chains, and physical supply chains in EO manufacturing. This is especially important as EO and other space operations become more vulnerable to cyberattack.

The ESA has also been involved in events focused on supporting space-based blockchain applications and recognizes that its role may well be in creating a bottom-up environment for private-sector innovators.

The NASA engineers have expressed similar views on how blockchain could provide interference-resistant and reliable networking. With the FAA’s requirement that all aircraft flying in the American National Airspace System adopt the automatic dependent surveillance system (ADS-B), both military and civilian aviators are becoming increasingly concerned about the security issues with ADS-B’s lack of a robust security model. Both are concerned about third-party spoofing and about its unencrypted plaintext broadcasts.

NASA proposed a blockchain-based solution that the complex hyper ledger fabric solution differs from fin-tech style, coin-based blockchain networks. It still provides the immutability and transparency needed, however, while also respecting the privacy and security needs of military aviators [23].