What is ZKsync (ZK)?

By CMC AI
16 February 2026 01:46AM (UTC+0)
TLDR

ZKsync is an Ethereum Layer 2 scaling network that uses advanced zero-knowledge rollup (zkRollup) technology to enable faster, cheaper, and more private transactions while inheriting Ethereum's security.

  1. It's built on zkRollups, a technology that bundles thousands of transactions off-chain and submits a single cryptographic proof to Ethereum for verification, drastically reducing costs and increasing speed.

  2. It has evolved into a modular ecosystem called the Elastic Network, which is an expanding system of customizable, interoperable chains built with the ZK Stack.

  3. Its native ZK token facilitates governance, allowing holders to vote on protocol upgrades and treasury management, with proposals to expand its utility to capture network value.

Deep Dive

1. Purpose & Core Technology

ZKsync exists to scale Ethereum without compromising its decentralization or security. It achieves this through zkRollups (zero-knowledge rollups). This technology processes transactions off-chain in batches, then generates a succinct cryptographic proof—a ZK proof—that is posted to Ethereum. The Ethereum network verifies this proof, confirming all transactions in the batch are valid without re-executing them. This method can reduce gas fees by over 90% and provide near-instant finality (ZKsync).

2. Evolution & Ecosystem: The Elastic Network

The project has progressed from its initial proof-of-concept, ZKsync Lite (focused on payments/NFTs), to ZKsync Era, a full-featured zkEVM supporting smart contracts. Its current vision is the Elastic Network—a network of interconnected chains built with the modular ZK Stack. This allows developers to launch application-specific chains that can natively communicate and share liquidity, moving beyond a single Layer 2 to a cohesive, scalable ecosystem.

3. Tokenomics & Governance

The ZK token is primarily a governance instrument. Holders vote on proposals that guide the protocol's development and treasury. A significant recent proposal aims to transform ZK into a utility token with economic value, linking it to network revenue from interoperability fees and enterprise licensing. This value would fund token buybacks, burns, staking rewards, and ecosystem grants, creating a circular economy.

Conclusion

ZKsync is fundamentally a security-first scaling infrastructure that uses cryptographic proofs to extend Ethereum's capabilities into a modular, multi-chain network. How will its shift toward a network of specialized chains reshape developer adoption and user experience?

CMC AI can make mistakes. Not financial advice.