Ever thought how zkRollups work and deliver real value to Blockchain?

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Before diving in how they really work, let’s first explore what zkRollups are:

ZK-Rollups are rollups where validators prove a transaction's authenticity without revealing any transaction details.

Now, let's dive into how zkRollups really work!

How zkRollups Work:

1. Batch Transactions (L2 ): Multiple transactions are batched together, reducing the load on the main blockchain by processing them off-chain.
2. Execution (L2): The batched transactions are executed by the sequencer, updating the state of the layer 2 chain.
3. Tx, State Diff, etc. (L2): This generates a transaction (Tx) and state differences (diff), reflecting changes in account balances and smart contracts.
4. Generate Proof (L2): A zero-knowledge proof (zk proof) is generated, verifying the transactions' correctness without revealing details.
5. Submit to L1 Chain: The zk proof is submitted to the layer 1 blockchain, updating it with the new state and validating all transactions in the batch.
6. Verify (L1 Chain): The rollup contract on layer 1 verifies the zk proof, ensuring the integrity of the batched transactions.
7. Update or Not (L1 Chain): Based on verification, the main blockchain state is updated or rejected, maintaining security and accuracy.

Advantages of zkRollups:

- Scalability: Increases transaction throughput and reduces congestion by processing off-chain.
- Lower Costs: Significantly reduces transaction fees by recording fewer transactions on-chain.
- Security: Inherits the security of the main blockchain.
- Privacy: Validates transactions without revealing sensitive information.

Wait for our next post where we'll be covering the zkRollup landscape in detail!

Comment below how excited you are.

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