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USDN

USDN is the first synthetic U.S. dollar backed by a structured product utilizing a Delta-Neutral Strategy. Unlike traditional stablecoins, whose value is guaranteed by centralized entities, the value of a synthetic dollar is determined by a purely mathematical financial process.

Defi
Stablecoin
Maximum Bounty
$50,000
Live Since
21 April 2025
Last Updated
21 April 2025
  • PoC Required

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Assets in Scope

Target
Type
Smart Contract - USDN Token
Added on
21 April 2025
Target
Type
Smart Contract - sUSDN
Added on
21 April 2025
Target
Type
Smart Contract - wUSDN
Added on
21 April 2025
Target
Type
Smart Contract - USDN Protocol
Added on
21 April 2025
Target
Type
Smart Contract - Liquidation Rewards Manager
Added on
21 April 2025
Target
Type
Smart Contract - Dip Accumulator
Added on
21 April 2025
Target
Type
Smart Contract - WstEthOracleMiddleware
Added on
21 April 2025
Target
Type
Smart Contract - LongFarming
Added on
21 April 2025
Target
Type
Smart Contract - Router
Added on
21 April 2025

Impacts in Scope

Severity
Critical
Title

Direct theft of any user funds, whether at-rest or in-motion, other than unclaimed yield

Severity
Critical
Title

Permanent freezing of funds

Severity
Critical
Title

Protocol insolvency

Severity
High
Title

Theft of unclaimed yield

Severity
High
Title

Theft of unclaimed royalties

Severity
High
Title

Permanent freezing of unclaimed royalties

Severity
High
Title

Permanent freezing of unclaimed yield

Severity
High
Title

Temporary freezing of funds

Severity
Medium
Title

Smart contract unable to operate due to lack of token funds

Severity
Medium
Title

Block stuffing

Severity
Medium
Title

Griefing (e.g. no profit motive for an attacker, but damage to the users or the protocol)

Severity
Medium
Title

Theft of gas

Out of scope

Default Out of Scope and rules

Smart Contract specific

  • Incorrect data supplied by third party oracles
    • Not to exclude oracle manipulation/flash loan attacks
  • Impacts requiring basic economic and governance attacks (e.g. 51% attack)
  • Lack of liquidity impacts
  • Impacts from Sybil attacks
  • Impacts involving centralization risks

All categories

  • Impacts requiring attacks that the reporter has already exploited themselves, leading to damage
  • Impacts caused by attacks requiring access to leaked keys/credentials
  • Impacts caused by attacks requiring access to privileged addresses (including, but not limited to: governance and strategist contracts) without additional modifications to the privileges attributed
  • Impacts relying on attacks involving the depegging of an external stablecoin where the attacker does not directly cause the depegging due to a bug in code
  • Mentions of secrets, access tokens, API keys, private keys, etc. in Github will be considered out of scope without proof that they are in-use in production
  • Best practice recommendations
  • Feature requests
  • Impacts on test files and configuration files unless stated otherwise in the bug bounty program
  • Impacts requiring phishing or other social engineering attacks against project's employees and/or customers