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Arbitrum and Optimism are both Layer 2 expansion solutions for Ethereum, but they have differences in implementation and governance, ecological development, and application development.
Arbitrum uses a Solidity-based virtual machine and runs EVM bytecode in the virtual machine, making Arbitrum compatible with the Ethereum network. Optimism uses a virtual machine called Optimistic Virtual Machine (OVM), which has higher performance and efficiency.
In terms of governance mechanism, Arbitrum adopts a decentralized model to allow community members to participate in decision-making and governance of the network, while Optimism uses a DAO-based model to hand over decision-making power to token holders.

When executing transactions and smart contracts on Arbitrum, users need to pay a certain amount of Ethereum (ETH) as gas fees. These ETH are burned and removed from the Ethereum chain instead of being paid with ARB tokens. ARB tokens are mainly used for the following purposes:
Staking as a validator: A validator needs to stake a certain number of ARB tokens on the Arbitrum network as an incentive to maintain network security and reliability. If a validator violates network rules or malfunctions, they will lose a portion of their stake to encourage them to comply with network rules and keep nodes running stably.

1. Valuation of token circulation supply
According to Coingecko data, the market value of Optimism as of March 20 was approximately US$839 million, the OP token was priced at approximately US$2.63, and the circulating supply was US$314.8 million. In comparison, after the airdrop is completed on Thursday, 1.275 billion ARB tokens will flow into the market. Since the total supply of ARB tokens is 10 billion, it means that the market circulation accounts for approximately 12.75% of the total supply.
Token Circulating Supply Market Cap How many tokens will be traded on the market, excluding tokens locked for allocation, and token market cap is calculated by multiplying the token price by the circulating supply. If the ARB token valuation is similar to the OP token, you can divide the current OP token market cap (approximately $839 million) by the ARB token circulating supply ($1.275 billion), and then arrive at the potential price of ARB at approximately $0.65. .

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