
Mainstreet
A synthetic dollar protocol on Ethereum that issues msUSD, backed by market-neutral box-spread strategies on listed options.

What is Mainstreet?
Mainstreet is a synthetic dollar protocol on Ethereum that mints msUSD against capital deployed into box-spread arbitrage on listed options. Users deposit, mint msUSD, and stake into msY (Main Street Yield) to earn market-neutral, USD-denominated returns rather than directional crypto exposure.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

