Mynt and Zero
Mynt and Zero bug bounty program includes in its scope actively used contracts as part of Sovryn’s Mynt and Zero smart contract systems and the accompanying frontend web application. Mynt is a BTC-backed stablecoin aggregator. Zero is a decentralized borrowing protocol.
PoC required
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Assets in Scope
Impacts in Scope
Direct theft of any user funds, whether at-rest or in-motion, other than unclaimed yield
Permanent freezing of funds
Protocol insolvency
Execute arbitrary system commands resulting in financial loss
Retrieve sensitive data/files from a running server resulting in financial loss, such as: /etc/shadow, database passwords, blockchain keys (this does not include non-sensitive environment variables, open source code, or usernames)
Taking state-modifying authenticated actions (with or without blockchain state interaction) on behalf of other users without any interaction by that user, such as: Voting, Making trades, Withdrawals, etc.
Subdomain takeover with already-connected wallet interaction resulting in financial loss
Direct theft of user funds
Malicious interactions with an already-connected wallet such as: Modifying transaction arguments or parameters, Substituting contract addresses, Submitting malicious transactions
Theft of unclaimed yield
Permanent freezing of unclaimed yield
Temporary freezing of funds: >2 blocks
Out of scope
- Broken link hijacking is out of scope
- Best practice critiques
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