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Private blockchains are not available for the public and are maintained/secured by a cluster of trusted nodes. These kind of blockchains are useful when dealing with sensitive information.
13
votes
What are the trade-offs between Ethereum's public chain and private, permissioned chains?
There are a number of key tradeoffs between a private (a.k.a. permissioned) blockchain network and the public, main Ethereum network. Here are just a few of them:
private blockchains require specif …
7
votes
Accepted
What usecases do private blockchains have?
There are numerous use cases for private blockchains. Some of the many ones that are being currently considered in industry include:
As an access-restricted inter-bank settlement layer for currenci …
52
votes
Accepted
What is a sidechain?
Put simply, sidechaining is any mechanism that allows tokens from one blockchain to be securely used within a completely separate blockchain but still moved back to the original chain if necessary. B …