What is ZKsync (ZK)?

By CMC AI
18 February 2026 11:27PM (UTC+0)
TLDR

ZKsync is an Ethereum Layer 2 scaling network that uses zero-knowledge rollup (zkRollup) technology to enable fast, low-cost transactions while inheriting Ethereum's security.

  1. Solves Ethereum's Scalability – It bundles transactions off-chain and submits cryptographic proofs to Ethereum, drastically reducing fees and increasing throughput.

  2. Evolving Modular Architecture – It has grown from a single rollup (ZKsync Lite) into the Elastic Network, a customizable ecosystem of interconnected ZK chains built with the ZK Stack.

  3. Governance and Utility Token – The native ZK token facilitates community governance, with proposals to link its value to network revenue from fees and enterprise licensing.

Deep Dive

1. Purpose & Value Proposition

ZKsync exists to scale Ethereum without compromising its security or decentralization. It addresses the core limitations of high gas fees and network congestion by processing transactions off-chain in batches. A single cryptographic proof for each batch is then verified on the Ethereum mainnet, ensuring validity. This approach can reduce costs by over 90% and enable thousands of transactions per second, making applications like DeFi and NFT minting practical for mass adoption (Alanlegits).

2. Technology & Evolution

The project began with ZKsync Lite (2020), a pioneering proof-of-concept for payments and simple swaps. Its development shifted to ZKsync Era in March 2023, a zkEVM that supports full Ethereum Virtual Machine compatibility for smart contracts. The vision has since expanded to the Elastic Network, an interconnected system of sovereign ZK chains enabled by the ZK Stack developer framework. The recent Atlas upgrade enhances this modular design, enabling near-instant cross-chain interoperability and positioning Ethereum as a liquidity hub for these chains.

3. Tokenomics & Governance

The ZK token launched primarily for governance, allowing holders to vote on protocol upgrades and treasury management. A significant evolution is the proposed shift to a utility model, where the token's value would be linked to network activity. Under this "ZKnomics" proposal, revenue from on-chain interoperability fees and off-chain enterprise licensing would fund a mechanism to buy back and burn ZK tokens, distribute staking rewards, and finance ecosystem growth (The Defiant).

Conclusion

Fundamentally, ZKsync is a scaling infrastructure project transitioning from a single Layer 2 into a modular, multi-chain network secured by Ethereum and powered by zero-knowledge proofs. As its ecosystem grows, how effectively will its interconnected chains attract developers and real-world usage?

CMC AI can make mistakes. Not financial advice.