Differences in fee data for the first month of Robinhood chain
Although both media outlets confirmed record fee data of US$3.75 million in a single day, CryptoBriefing and Coinpedia gave different statistics on the total cumulative fee for the two months before the Robinhood chain was launched.
Consensus of all parties
After the Robinhood chain was launched on the main network on July 1, 2026, single-day fee revenue reached a record US$3.75 million. Arbitrum takes 10% of the chain's net agreement revenue as a share. On the record-setting day, the Arbitrum ecosystem made approximately $370,000 to $377,000 in revenue.
Data divergence point
1. Cumulative expenses since launch (two-month total)
Only two months after launch, the cumulative expenses have exceeded US$13 million.
CryptoBriefing (2026-09-02 14:04) reported: The cumulative cost of the Robinhood chain since its launch (within two months) is US$11.48 million.
Coinpedia (2026-09-02 16:22) reported that the cumulative cost exceeded US$13 million.
Solution: You need to refer to DefiLlama's cumulative expense dataset on the Robinhood chain, or the official revenue update released by Arbitrum.
2. Details of the 10% Arbitrum revenue share
8% of this share is allocated to the Arbitrum DAO fund pool and 2% is allocated to the Developer Guild.
CryptoBriefing (2026-09-02 14:04) reported: 80% of it belongs to Arbitrum DAO, and the remaining 20% is allocated to developer funds.
Coinpedia (2026-09-02 16:22) reported that 80% of this allocation went to Arbitrum DAO, and the other 20% went to developer funds.
Conclusion
Please regard the recorded expense data of US$3.75 million for a single day and the 10% Arbitrum revenue sharing mechanism as confirmed facts; while the total cumulative expense for two months (US$13 million vs US$11.48 million) has not yet been finalized and should not be quoted as final data.

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