Connext
Connext is a modular protocol for securely passing funds and data between chains. Developers can use Connext to build crosschain apps (xApps) - applications that interact with multiple domains (blockchains and/or rollups) simultaneously.
Defi
L2
Maximum Bounty
$100,000Live Since
21 December 2021Last Updated
23 August 2023PoC required
Select the category you'd like to explore
Assets in Scope
Impacts in Scope
Severity
Critical
Title
Network not being able to confirm new transactions (Total network shutdown)
Severity
Critical
Title
Unintended permanent chain split requiring hard fork (Network partition requiring hard fork)
Severity
Critical
Title
Direct loss of funds
Severity
Critical
Title
Permanent freezing of funds (fix requires hardfork)
Severity
Critical
Title
RPC API crash
Severity
Critical
Title
Any governance voting result manipulation
Severity
Critical
Title
Permanent freezing of funds
Severity
Critical
Title
Direct theft of any user funds, whether at-rest or in-motion, other than unclaimed yield
Severity
Critical
Title
Miner-extractable value (MEV)
Severity
Critical
Title
Protocol Insolvency
Severity
High
Title
Unintended chain split (Network partition)
Severity
High
Title
Transient consensus failures
Out of scope
Program's Out of Scope information
The following vulnerabilities are excluded from the rewards for this bug bounty program:
- Attacks that the reporter has already exploited themselves, leading to damage
- Attacks requiring access to leaked keys/credentials
- Attacks requiring access to privileged addresses (governance, strategist)
Smart Contracts and Blockchain
- Incorrect data supplied by third party oracles
- Not to exclude oracle manipulation/flash loan attacks
- Basic economic governance attacks (e.g. 51% attack)
- Lack of liquidity
- Best practice critiques
- Sybil attacks
- Centralization risks
The following activities are prohibited by this bug bounty program:
- Any testing with mainnet or public testnet contracts; all testing should be done on private testnets
- Any testing with pricing oracles or third party smart contracts
- Attempting phishing or other social engineering attacks against our employees and/or customers
- Any testing with third party systems and applications (e.g. browser extensions) as well as websites (e.g. SSO providers, advertising networks)
- Any denial of service attacks
- Automated testing of services that generates significant amounts of traffic
- Public disclosure of an unpatched vulnerability in an embargoed bounty