Ethereum

Optimism

Arbitrum

Berachain Artio

Polygon

yAudit is an auditing collective made up of the best auditors hand-selected from the yAcademy training program. Delivering high quality smart contract security audits under the yAcademy brand since 2021, yAudit brings an attention to detail above and beyond your standard auditing firm.

The Yield Protocol. 

Yearn is a decentralized suite of products helping individuals, DAOs, and other protocols earn yield on their digital assets.


Yearn

Nouns are an experimental attempt to improve the formation of on-chain avatar communities. While projects such as Cryptopunks have attempted to bootstrap digital community and identity, Nouns attempt to bootstrap identity, community, governance, and a treasury that can be used by the community.

Nouns

Deposit NFTs and borrow ETH for small illiquid NFT collections that can't get into the main NFT lending markets.


LlamaLend

Stream money every second. Superfluid is an asset streaming protocol that brings subscriptions, salaries and rewards to DAOs and crypto-native businesses.

Superfluid

Olympus is building OHM, a community-owned, decentralized and censorship-resistant reserve currency that is deeply liquid, asset-backed, and used widely across Web3.

Olympus

Manifold Finance enables and provides access to high-value transaction pools on EVM compatible chains, through our infrastructure: SecureRPC. We aggregate multiple endpoints along with maintaining direct access to disparate mining pools/validator nodes.

manifold finance

Curve is a decentralized exchange protocol. It is mainly utilized for swapping various stablecoins, as its Automated Market Maker mechanism is designed to handle such trades very efficiently. The protocol's native token is CRV, which people may stake for periods of time in order to earn the right to partake in the protocol's governance decisions as well as to claim a part of the protocol's cash flows.

Curve

Inverse Finance is an Open Source Protocol for Lending and Borrowing assets.


Inverse Finance

vfat

### What

Euler is a non-custodial permissionless protocol on Ethereum that allows users to lend and borrow almost any crypto asset. Euler helps users to earn interest on their crypto assets or hedge against volatile markets without the need for a trusted third-party.

### Why?

Euler introduces a number of new features in DeFi, including permissionless lending markets, protected collateral, reactive interest rates, per-second compounding interests and feeless flash loans.

#### Permisionless listing 

Euler lets its users determine which assets are listed. Any asset that has a WETH pair on Uniswap v3 can be added as a lending market on Euler.

#### Protected Collateral

On Compound and Aave, collateral deposited to the protocol is always made available for lending. On the other hand, Euler allows collateral to be deposited, but not made available for lending.  This collateral is 'protected'. It doesn't earn interest, but is free from the risks of borrowers defaulting, can always be withdrawn instantly, and helps protect against borrowers using tokens to influence governance decisions.

#### Reactive interest rates

Euler uses control theory to autonomously change the interest rates towards a level that maximises utilisation of assets in the protocol. These reactive interest rates adapt to market conditions for the asset in real-time without the need for ongoing governance intervention. 

#### Compound Interest

Compound interest is accrued on Euler each second. This is different from other lending protocols, where interest is typically accrued every block. Earning interest per-second is generally expected to perform more predictably in the long-run, even if upgrades to Ethereum lead to changes in the average time between blocks.

#### Feeless Flash Loans 

Euler only charges fees according to the time value of money, and from the blockchain's perspective flash loans are held for a duration of 0 seconds. Thus, they are entirely free on Euler (ignoring gas costs).


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