The Year of Arbitrum Orbit
Author: Francesco
Translation: Luccy, BlockBeats
Editor's Note:
As competition in the Ethereum Layer 2 solution intensifies, Arbitrum Orbit has emerged as a leader in driving ecosystem development. Cryptocurrency researcher Francesco delves into Arbitrum's technical innovations, developer permission model, and unique features of the Orbit chain, and lists the projects already built on Orbit. Francesco points out that as more projects choose to build on its stack, the Arbitrum technology stack is expected to show its potential in 2024, injecting new vitality into the ecosystem. BlockBeats has translated the original article as follows:
Layer 2 has solidified its position as the most successful implementation in the Ethereum scaling roadmap.
其中,Arbitrum and Optimism have been competing fiercely for projects and talent on L2, which is often referred to as the L2 war.
Initially, this was a war to establish important infrastructure for L2 and collect the initial critical mass of protocols and users.
Now they are flourishing, and the next step in this fictional war is who will attract more projects to build on their stack.
For this, they have chosen different methods.
Arbitrum is focusing more time and energy on improving its technical stack and decentralized governance, while Optimism takes a more streamlined approach, which can be summarized as "emphasizing growth" - everything is about balance.
Finally, as more and more protocols adopt the OP Stack, these different trade-offs gradually become apparent, leading many to believe that Arbitrum is losing this competition.
However, this is not a race, but a marathon.

If we analyze the data, Arbitrum is still the L2 with the largest TVL, exceeding 2.5 billion US dollars, and it is also one of the most complex and composable DeFi ecosystems, with over 500 protocols.

Orbit is part of the Arbitrum expansion plan, which will see other projects utilizing its technology stack built on top of it.
As part of these plans, more than 50 Arbitrum Orbit chains are already under development, and one of the founders of Arbitrum estimates that there will be approximately 150 Orbit chains by the end of this year.

Orbit is a part of the Arbitrum stack, which allows anyone to launch their own chain on Arbitrum One or Nova without permission. It is similar to the OP Bedrock stack, where protocols can build their own chains.
Arbitrum Orbit allows any developer to easily and permissionlessly launch their own L3 ecosystem based on the Arbitrum chain.


When building on Orbit, projects can decide whether to build on L2 or L3 on top of Orbit, and whether to choose Arbitrum One or Nova.
Based on the necessary trade-off between decentralization and performance, on Arbitrum Orbit, you can decide whether to build:
· Arbitrum Rollup· Arbitrum Trust· L3 for specific use cases
By creating an Orbit chain, projects can customize their throughput, privacy, gas tokens, governance, etc.
· Gas price reliability: dedicated throughput and flow isolation.
· Arbitrum Stylus: Benefiting from EVM compatibility.
· Referee Nitro: Upgrade using Referee Nitro code.
· Arbitrum's independent roadmap
· Customizable permissions: choose who can read and deploy data and smart contracts (unlicensed/licensed).
· Select gas token: whether it's ETH, ARB, or your own token.
· Account withdrawal/trading fee subsidy




















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