ब्लॉकचेन क्या है?
What is Blockchain ?
A)
B)
C)
D)
Explanation:
The correct answer is (B) A distributed ledger on a peer-to-peer network.
Blockchain is a distributed ledger technology that records transactions across multiple computers in a way that ensures the data is secure, transparent, and immutable. It is commonly used in cryptocurrency, but it is not limited to it. Blockchain operates on a peer-to-peer network without the need for a central authority.