Optimistic-rollups-based solutions Arbitrum and Optimism reduce transaction costs by up to 90–99%. According to Arcane Research analysts, layer-2 solutions will enable widespread adoption of Ethereum without sacrificing decentralisation and security.
According to experts, zkRollup-based solutions that do not yet offer EVM compatibility could also cut transaction costs by up to 99%, to $0.1–$1.
Unlike Optimistic rollups, zkRollups projects such as StarkNet and zkSync shorten transaction finalisation from more than a week to roughly ten minutes.
According to L2Beat, the value of assets locked in L2 solutions reached $5.37 billion.
Leading is Arbitrum with a TVL of $2.77 billion. Analysts attributed the high figure to the project’s emphasis on a higher degree of network security.
In November, the Matter Labs startup, behind the zkSync second-layer solution built on zkRollup technology, raised $50 million in a Series B round.
In August, Polygon acquired the Hermez Network platform, which specialises in scaling solutions based on ZK-Rollups.
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