
88mph
88mph is a fixed-rate yield protocol on Ethereum, Polygon, Avalanche, and Fantom that turns variable lending yields into fixed APRs.

What is 88mph?
88mph is a non-custodial yield protocol that converts variable interest rates from third-party DeFi lending markets into fixed-rate deposits. Users deposit ETH, BTC, or stablecoins for a chosen term and receive a guaranteed APR plus MPH rewards at maturity. Advanced users can also buy yield tokens to speculate on future rate moves. Audited by Trail of Bits and PeckShield with a live Immunefi bounty.
Web3 dapps and developer tools related to 88mph
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Developer resources from Alchemy
Stablecoin treasuries: from dead capital to yield-generating infrastructure
Most corporate stablecoin balances earn nothing while issuers capture yield on reserves. Learn where onchain yield comes from, what blocks enterprise deployment, and how infrastructure like gasless transactions and multi-chain RPC closes the gap.

Katana support is live on Alchemy
Katana, a DeFi-native L2 on the OP Stack, is now supported on Alchemy. Learn how Vault Bridge yield, core app integrations, and Alchemy infrastructure help teams ship with confidence.

How Stable built the world's highest yield savings app with smart wallets
Stable built the world's highest yield savings app using smart wallets. Learn how they achieved 10% APY, 50% lower costs, and full self-custody.
88mph alternatives
Explore web3 competitors and apps like 88mph.
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.

