Arbitrum
Low-cost layer 2 solution ideal for building secure Ethereum Dapps

Optimistic Rollup with ZK fault proofs based on OP Stack utilizing Scroll's zkEVM
Kroma is an Optimistic Rollup with ZK fault proofs, based on OP Stack and utilizing Scroll’s zkEVM. It aims to develop a universal ZK Rollup based on Optimism Bedrock architecture, eventually transitioning to a ZK Rollup once proof generation becomes more cost-efficient and faster.
Explore competitors and apps like Kroma.
Low-cost layer 2 solution ideal for building secure Ethereum Dapps
Privacy Layer-2 blockchain with confidential, scalable and low-cost transactions using ZK rollups
Application-specific rollup protocol with a Linux runtime
Blockchain interoperability protocol
Ethereum's fastest L2 powered by the Solana Virtual Machine
Decentralized git and Ethereum L2 that allows you to run smart contracts for free

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