zkSync Era launched its mainnet in March 2023, developed by Matter Labs under the leadership of CEO Alex Gluchowski. It was one of the first general-purpose zkEVM rollups to go live, processing over 1 million transactions within its first weeks.
Matter Labs took a different approach from Scroll and Polygon’s zkEVMs. Instead of trying for full EVM equivalence, zkSync built a custom compiler (zksolc) that translates Solidity into their own VM architecture. This allowed optimizations for ZK proving at the cost of requiring developers to test more carefully for compatibility issues.
The ecosystem exploded during “zkSync season” in 2023-2024, when hundreds of thousands of users interacted with the chain hoping for an airdrop. DeFi TVL peaked above $800M as protocols like SyncSwap, Mute, and ZeroLend launched natively on the network.
The ZK token airdrop finally arrived in June 2024 — one of the most anticipated events in crypto that year. 17.5% of total supply was distributed to 695,000 wallets. The launch was controversial: many “airdrop farmers” who had spent hundreds in gas fees received modest allocations, while the token’s price dropped significantly post-launch from selling pressure.
zkSync’s “Hyperchain” vision extends beyond a single L2. Matter Labs open-sourced the ZK Stack, allowing anyone to deploy their own zkSync-powered chain. This positions zkSync not just as one rollup, but as the infrastructure layer for an entire ecosystem of ZK chains — similar to how Optimism’s OP Stack powers Base and other chains.
By late 2024, zkSync faced challenges including declining TVL and user activity as airdrop farmers moved on. However, the technology continued advancing, with improvements to proving speed and cost that could eventually make ZK rollups cheaper than optimistic alternatives.
The race between zkSync, Scroll, Polygon zkEVM, and Linea will determine which ZK approach wins the Ethereum L2 market. Each makes different technical tradeoffs between compatibility, performance, and decentralization.
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