A system of recording information in such a way that it is absolutely complex or impossible to cheat, hack or change the system. The technology which is at the heart of bitcoin is blockchain technology. You can read about Cryptocurrency: Definition, Advantages & Disadvantages in the given link.
Further readings:
- 5G RSTV – In Depth, Discussion on 5G revolution in India for UPSC
- National Mission on Quantum Technologies & Applications (NM-QTA)
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