Historical retrospective · Layer 2
zkSync Era expanded the ZK rollup application landscape
zkSync Era opened a public network for smart contracts using validity proofs and a system designed for Ethereum-like development.
Its launch demonstrated that ZK rollup platforms could support broader application environments rather than only simple transfers.
Competition among ZK systems accelerated work on provers, developer tooling and account abstractions.
Application portability does not imply identical execution or security; audit the bridge and upgrade model of each deployment.
Primary source
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