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Web3

Web3 is often described as an evolution of the internet centered on decentralization, transparency, and user control. Unlike Web2, which relies heavily on centralized platforms and intermediaries, Web3 uses blockchain infrastructure to support decentralized interactions. It enables users to interact directly with decentralized applications (DApps) and services without relying on a central operator.

At its core, Web3 aims to return control of data, identity, and digital assets to individuals.

Smart contracts and Midnight's approach​

A smart contract is a program stored on a blockchain that executes predefined logic when specific conditions are met. Smart contracts reduce reliance on intermediaries and support transparent, auditable workflows. Midnight uses smart contracts together with zero-knowledge (ZK) technology to enable stronger data protection in Web3 applications.

Data protection and identity management​

As internet usage has become pervasive, data protection has become a core concern. Individuals and organizations face heightened risk as more data moves online. Web3 can help users and organizations regain control of their data, but robust solutions that bridge Web2 and Web3 are still evolving.

Midnight aims to help developers build privacy-preserving smart contracts with ZK technology. Its approach is grounded in Universally Composable (UC) privacy and UC security principles.

Midnight offers Web3 capabilities that support secure interactions with DApps and decentralized platforms:

  • Decentralization: Data is distributed across multiple nodes rather than centralized servers, reducing single points of failure and improving resilience.
  • Immutability: Data committed on Midnight is tamper-resistant and cannot be changed unilaterally, which supports integrity and auditability.
  • Encryption and privacy: Midnight uses ZKP techniques to protect sensitive data. Users control their private keys, which control access to assets and private actions.
  • Selective disclosure: Users can disclose only the minimum necessary information to DApps and services, which helps reduce unnecessary data exposure.
  • Metadata protection: Midnight also protects metadata. On many blockchains, transaction metadata is broadly observable. Features such as shielded tokens reduce metadata leakage, helping DApps protect sensitive metadata alongside confidential payload data.