Objective:

- Simplify and expedite the verification and recording process of transactions on blockchains.

Key points:

- ZK rollups group multiple transactions together into a batch.

- Utilize Zero-Knowledge Proofs to efficiently confirm the validity of all transactions in the batch without individually checking each one.

Challenges and outcomes:

- Challenges: Ensuring the accuracy and security of the Zero-Knowledge Proof process.

- Outcomes: Reduced time and cost associated with processing transactions, resulting in faster and more affordable blockchain networks.