Arbitrum Foundation Says ‘Orbit’ for Layer-3 Networks Now Ready for Mainnet

Orbit is one of many customizable blockchain stacks that have come to market over the past few months. Arbitrum’s competitor, OP Labs, behind the layer-2 chain OP Mainnet (formerly named Optimism), has its own version of a customizable environment, called the OP Stack, which currently powers crypto exchange Coinbase layer-2 network, Base.