Public: Anyone can access the written data but cannot participate in consensus.

Private: Restricted access to specific members who can also participate in the consensus mechanism.

Permissioned: Only specific nodes are allowed to participate in the consensus mechanism, regardless of data access.

Permissionless: Any node can participate in the consensus mechanism, but access to written data is restricted.

A national voting system to ensure transparency and integrity.

A consortium of companies tracking supply chain data, where data sensitivity is high.

A public forum where users can post and verify information.

An international charity receiving and distributing funds transparently.

Private blockchains provide better scalability and efficiency.

Public blockchains ensure transparency and allow anyone to verify data.

Private blockchains are more secure against unauthorized access.

Public blockchains are unsuitable for handling sensitive financial transactions.

The need for transparency and public verification.

The total number of transactions per second the network can handle.

The preferences for the color scheme of the blockchain's interface.

The requirement for data access to be restricted to specific members.

Increased transparency and traceability of products.

The inability to restrict who can participate as a node in the network.

Improved scalability due to the participation of numerous nodes.

Reduced costs associated with transaction verification and data sharing.