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The security module works in conjunction with the ________________________ module to provide access control service to any data recorded and business logic deployed on a chain network.
The security module works in conjunction with the membership service module to provide access control service to any data recorded and business logic deployed on a chain network.
Which of the following statements would be true regarding Hyperledger Composer Playground?
This web-based tool allows developers to learn Hyperledger Composer, model out their business network (domain), test that network, and deploy that network to a live instance of a blockchain network. The playground keeps the development model in browser storage, allowing them to be easily uploaded or downloaded. The playground also allows for CRUD (create, read, update, delete) operations to be performed on asset transactions which are created and logged. Composer playground offers a repository of sample business networks that can provide a base for building your own business network.
Asset state data is immutable i.e., once asset data is written to the state data (world state) it cannot be changed.
All of the following are key terms in Cryptography EXCEPT?
Cryptography is used in Blockchain to address the issues and concerns of privacy. Cryptography is the study of how to send information back and forth securely in the presence of adversaries. A cryptographic function is a function for encoding or encrypting data to protect the contents from others. The following components are the basis of a cryptographic function: The Secret: The data which we are trying to protect The Key: A piece of data used for encrypting and decrypting the secret The Function: The process or function used to encrypt the secret The Cipher: The encrypted secret data, output of the function The Secret and the Key are passed into the Function to create a Cipher.
