Does each DAPP has its own blockchain?

Question

I am learning blockchain technology. I read many tutorials and I got the basic idea of what blockchain is but I am confused with the fact that are there individual separate blockchains for separate DAPPs and the people who are using that DAPP, will only be the part of that DAPP's blockchain and what the blocks in Ethereum blockchain really contain ?

If anyone can clear my novice doubt, that would be very helpful. Thanks in advance :)

Answer 1

A decentralized application, dApp may or may not have its own blockchain. It basically depends on the application of that decentralized application.

Let's take an example. We have Ethereum Mainnet (a public blockchain). Users can make their dApps interact with this blockchain network whenever they need to.

Anyway, if required, users can fork or run their own copy of Ethereum to use in their dApp.

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