Three different and important technologies are used in Blockchain. One is the technology to store the records as well as transactions in the network. The other technology is the ledger which can be shared in a peer to peer network. Another important technology used are the Cryptographic Keys. You can read about the National Strategy on Blockchain in the given link.
Further readings:
- 5G RSTV – In Depth, Discussion on 5G revolution in India for UPSC
- Artificial Intelligence [UPSC Notes GS III]
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