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ALEX

At ALEX, we build DeFi primitives targeting developers looking to build ecosystem on Bitcoin, enabled by Stacks. As such, we focus on trading, lending and borrowing of crypto assets with Bitcoin as the settlement layer and Stacks as the smart contract layer.

ETH
Stacks
Defi
Bridge
DEX
Launchpad
Lending
Clarity
Solidity
Maximum Bounty
$100,000
Live Since
13 December 2021
Last Updated
08 April 2024
  • PoC required

  • KYC required

Select the category you'd like to explore

Assets in Scope

Target
Type
Smart Contract - Bridge
Added on
21 April 2023
Target
Type
Smart Contract - AutoALEX
Added on
26 April 2022
Target
Type
Smart Contract - Yield Token Pool
Added on
26 April 2022
Target
Type
Smart Contract - Collateral Rebalancing Pool
Added on
26 April 2022
Target
Type
Smart Contract - AGE 003
Added on
26 April 2022
Target
Type
Smart Contract - AGE 002
Added on
26 April 2022
Target
Type
Smart Contract - AGE 001
Added on
26 April 2022
Target
Type
Smart Contract - ALEX Governance Token
Added on
9 February 2022
Target
Type
Smart Contract - ALEX DAO
Added on
9 February 2022
Target
Type
Smart Contract - ALEX Vault
Added on
9 February 2022
Target
Type
Smart Contract - Simple Weight Pool (ALEX)
Added on
9 February 2022
Target
Type
Smart Contract - Fixed Weight Pool
Added on
9 February 2022

Impacts in Scope

Severity
Critical
Title
Loss of user funds staked (principal) by freezing or theft
Severity
Critical
Title
Vote manipulation
Severity
Critical
Title
Miner-extractable value (MEV)
Severity
Critical
Title
Protocol Insolvency
Severity
Critical
Title
Permanent freezing of funds
Severity
High
Title
Theft of unclaimed yield
Severity
High
Title
Freezing of unclaimed yield
Severity
High
Title
Temporary freezing of funds for a minimum period of 1 day

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