zkSync
zkSync Lite is a scaling engine for Ethereum. Its current functionality scope includes low gas transfers of ETH and ERC20 tokens, atomic swaps & limit orders as well as native L2 NFT support.
PoC required
KYC required
Select the category you'd like to explore
Assets in Scope
Impacts in Scope
Loss of user funds by permanent burning, freezing or direct theft
Network shutdown
Double spending
Inability to generate a block for a priority operation that is added through a smart contract
Minting fungible tokens not through a deposit
Ability to steal/burn/freeze other people's tokens
Leak of user data
Redirected funds by address modification
Site goes down
Temporary freezing of funds for at least 24 hours
Forceful activation of exodus mode
Blocking of upgrade system
Out of scope
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Best practice critiques
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Vulnerabilities that require physical access to a user’s device
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Issues that have no security impact (E.g. Failure to load a web page)
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Phishing (E.g. HTTP Basic Authentication Phishing)
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Attacks requiring MITM or physical access to a user’s device.
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Missing best practices without a working video Proof of Concept.
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