Validity rollups are a Layer 2 scaling solution for blockchain networks that process transactions off the main chain and then post cryptographic proofs of their correctness on-chain. These rollups, also known as ZK-rollups, aggregate many off-chain transactions into a single batch and generate a zero-knowledge proof (ZK-proof) that mathematically confirms the validity of all transactions in that batch. This proof is then submitted to the main blockchain, significantly reducing the data load and computational burden on the Layer 1 network. They offer strong security guarantees because the validity of transactions is cryptographically verified by the main chain.
Context
Validity rollups are a leading solution for improving the scalability and transaction throughput of major blockchain networks. Their adoption is critical for enabling decentralized applications to support a larger user base without compromising security or decentralization. Ongoing development focuses on optimizing proof generation efficiency and expanding the types of computations they can support. Future advancements will likely see wider deployment and increased interoperability between different validity rollup implementations.
Fractal introduces a hash-based, transparent SNARK, enabling recursive proofs for quantum-secure, constant-size verification of entire blockchain history.
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