Zero-knowledge rollups have become increasingly popular scaling solutions within the Ethereum ecosystem in 2023.
Ethereum’s ongoing evolution has gathered pace in 2023, with the ecosystem shifting focus to scaling solutions and protocols to improve throughput and reduce costs for decentralized applications (DApps) and users.
The transition from energy-intensive proof-of-work mining to a proof-of-stake consensus also laid the foundation for what had previously seemed like impossible scalability upgrades before the Merge. Several approaches have emerged that enable the network to handle more transactions without increasing the size of nodes.
Layer-2 solutions have become the favored mechanism for scaling Ethereum’s ecosystem. These networks, which operate independently from Ethereum’s chain, process and batch transactions as “rollups” before submitting the summary data to Ethereum. Rollups aim to increase Ethereum’s throughput and reduce the cost of transactions for users.
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Source: https://cointelegraph.com/news/four-zk-proof-l2s-that-scaled-ethereum-in-2023