How do applications on parachains communicate? Revolut Crypto Quiz Answers

How do applications on parachains communicate?

Via the Relay Chain.

Applications on parachains communicate through the relay chain in the Polkadot network. Parachains are individual blockchains that connect to the Polkadot network via the relay chain. They can communicate with each other and with the relay chain through a messaging system called XCMP (Cross-Chain Message Passing).

When an application on one parachain wants to send a message to an application on another parachain, it creates a message and sends it to the relay chain. The relay chain then forwards the message to the destination parachain, where it is processed by the receiving application. This allows applications on different parachains to interact with each other in a secure and trustless manner, without needing to go through a central authority.

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What Is The Revolut Crypto Quiz?

Revolut, a financial technology firm, has launched a new educational initiative called the Revolut Crypto Quiz. This initiative aims to attract more users to its platform. Users can earn free Polkadot tokens, valued up to $15, by participating in interactive quizzes.

To participate, users need to register with Revolut and play the quiz. The quiz focuses on the Polkadot ecosystem and is divided into nine short, informative lessons.

The first set of quizzes is already available for users to play. However, Revolut has not announced when the next set of quizzes will be released.