Dapp store Ethereum DeFi apps Decentralized synthetics

Mainstreet

Decentralized syntheticsStablecoin issuers

Mainstreet

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

Transaction Fees, Open-source

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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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Web3 dapps and developer tools related to Mainstreet

Discover blockchain applications that are frequently used with Mainstreet.

Strata

DeFi yield aggregators

Strata is an Ethereum risk-tranching protocol that splits yield from strategies like Ethena USDe into senior (srUSDe) and junior (jrUSDe) tokens.

SmarDex

Alchemy CustomerDecentralized exchanges (DEXs)

SmarDex is a multichain DEX and the issuer of USDN, a synthetic dollar collateralized by wstETH and funded by trader position fees.

Overnight Finance

Alchemy CustomerDeFi yield aggregators

A multi-chain protocol that issues USD+ and other rebasing stablecoins fully backed by delta-neutral DeFi strategies.

fx Protocol

Decentralized derivatives

f(x) Protocol is a leverage trading platform on Ethereum where users go up to 7x long or short on ETH and WBTC with low funding costs.

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Developer resources from Alchemy

Overview

Finance

What are cross-border digital payments?

Learn how correspondent banking works and how stablecoins are cutting costs by up to 80%.

Blog

Partnership

Cronos is now live on Alchemy

Alchemy has launched support for Cronos, a purpose-built settlement layer for stablecoins and tokenized assets. Connect via RPC and build with gasless transaction infrastructure.

How to scale to 30,000 requests per second. The story behind Usual's seamless airdrop

Case study

DeFi

How to scale to 30,000 requests per second. The story behind Usual's seamless airdrop

Usual aims to put ownership back in the hands of its users, by ensuring that value flows back to the community rather than concentrating at the top, paving the way for a fair and community-driven future for stablecoins and token-based finance.

Mainstreet alternatives

Explore web3 competitors and apps like Mainstreet.

Ethena

Alchemy CustomerDecentralized synthetics

Ethena issues USDe, a crypto-native synthetic dollar backed by delta-hedged ETH and BTC, with sUSDe earning yield from staking and basis-trade returns.

Dinari

Alchemy CustomerDecentralized synthetics

Dinari is a tokenized securities platform that issues 1:1 backed dShare tokens representing US stocks, ETFs, and more.

SPOT Cash

Decentralized synthetics

A decentralized flatcoin from Ampleforth that uses perpetual tranching of AMPL to produce a low-volatility, inflation-resistant store of value on Ethereum.

XSY

Alchemy CustomerDecentralized synthetics

A synthetic dollar protocol on Avalanche that issues UTY, a market-neutral stablecoin paired with yUTY as its yield-bearing variant.

View all alternatives

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.

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