Sonne is a money market protocol that aims to be the defacto lending platform on Optimism.

Risk Rating
Watch Out
Protocol Code Quality
Protocol Maturity
Protocol Design
What we like
Sonne is a fork of Compound that enables users to permissionlessly borrow and lend native assets on Optimism.
What we like less
The protocol has no audits, the team is anonymous, and has a limited 2/3 multisig setup.
What it means for you
Offers you a way to capture a share of protocol revenue through its staking pools paid in either SONNE or USDC.

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  • Website
  • Token: SONNE
  • Tags: Lending
Key Metrics
  • TVL: $869.2K (Rank #196)
  • TVL Ranking by Lending: #39
  • Blockchain: Base, Optimism
  • Chain TVL
    • Base: $869.09K
    • Optimism: $138.15
Risk Assessment
Watch Out
Protocol Code Quality
  • Code not reviewed by any experienced auditors
  • Anonymous team reduces transparency
  • No documented protocol hacks since launch
Protocol Maturity
  • Latest protocol version launched in 2022; maturity over one year minimizes technical risk as smart contracts are well battle-tested
  • Top 20% by total value locked slightly reduces risk
  • Multisig wallet controls protocol upgrades
  • Multisig consists of less than 4 signers, which makes the protocol more susceptible to centralization risks
  • Timelock is at least 48hrs, which provides users with sufficient time to exit if any malicious upgrades are approved
  • Low voting power concentration reduces risk
Protocol Design
  • No death spiral concerns
  • Robust controls to mitigate oracle price manipulation
  • Cross-collateral markets are exposed to systemic risks as each asset creates incremental risks for the platform as a whole
  • Basic controls in place to prevent risky borrowing
  • Basic mechanisms in place to incentivize liquidations
  • Solid methods to accrue protocol reserves
Things to know about Sonne

How Sonne works

Sonne is a fork of Compound (native to Optimism) that consists of a decentralized system of lending pools. Users deposit assets they want to lend into a liquidity pool and borrowers draw from the pool when they want to take out a loan. Sonne borrowers must first supply assets before they can borrow. Given the high volatility of crypto assets, borrowers must post more collateral than the value of the loan, or commonly referred to as overcollateralization. Interest rates on Sonne are driven by market supply and demand. To facilitate this activity, Sonne issues soTokens to lenders that reflect accruing interest on the underlying token.

How Sonne makes money

Sonne allocates a portion of the interest paid to borrowers to its reserve, which acts as insurance and is controlled by SONNE token holders. Each supported asset has a reserve factor that determines how much goes into the reserve. Reserves (controlled by SONNE holders) help backstop the system by acting as liquidity in each market to cover any bad debt in case of borrower default and liquidation malfunction.

How you make money on Sonne

You earn lending fees on Sonne by depositing your idle crypto assets to be used by borrowers looking for leverage. Sonne also offers additional protocol incentives in its native SONNE token to bootstrap demand. For liquidity, Sonne will bribe Velodrome on a weekly basis to vote for Sonne/USDC liquidity pairs. The earned VELO will then be redistributed to stakers. There are two staked versions of SONNE: sSONNE and uSONNE. The sSONNE pool will take the earned rewards to market buy SONNE and distribute to stakers. The uSONNE pool uses the rewards instead to buy USDC and distribute to stakers. Stakers earn 100% of the protocol revenue, as well as 80% of VELO earned through farming.

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