@arbitrum is live on Horus Cash. We're bringing our easy smart contract deployment, SDKs, analytics and UI components to Layer 2 blockchains. Instant and cheap transactions with the full security of Ethereum.A few highlightArbitrum is a Layer 2 chain, built on top of Ethereum which utilizes "arbitrum rollups", which performs the majority of computations off-chain, batches them together, and write the results to the Layer 1 blockchain (Ethereum). For developers and users, this means lower...