Robinhood Chain just highlighted an interesting L2 economic model. On Sept. 3, the network collected about $4.5M in transaction fees, while its estimated Ethereum settlement bill was only around $398. Bitquery puts the gap at roughly 11,400:1.

The key point isn’t that $4.5M equals profit—operating, infrastructure and other costs still matter. Instead, it shows how Ethereum’s blob-based data availability can let an L2 handle heavy activity while keeping settlement costs relatively low.

That gap is one of the most interesting parts of the evolving Ethereum L2 business model.
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