Tell us the principle behind blockchain technology and how many types of it are available?
Answer / Dileep Singh Rajput
Blockchain technology is a decentralized, distributed digital ledger that records transactions across multiple computers. The main principle is transparency, immutability, and security through consensus mechanisms like proof-of-work or proof-of-stake. There are mainly two types of blockchains: public (permissionless) blockchains like Bitcoin and Ethereum, where anyone can participate; and private (permissioned) blockchains, where access is restricted to specific entities.
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