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Alpen Labs

Alpen gives developers the freedom to program nearly any locking conditions for BTC imaginable, limited only by the Alpen block size and gas limits.

Maximum Bounty
$5,000
Live Since
09 July 2025
Last Updated
09 July 2025
  • PoC Required

  • KYC required

Select the category you'd like to explore

Assets in Scope

Target
Type
Smart Contract - Alpen
Added on
9 July 2025
Target
Type
Smart Contract - Strata Bridge
Added on
9 July 2025
Target
Type
Smart Contract - Operators
Added on
9 July 2025
Target
Type
Websites and Applications - Home page
Added on
9 July 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

Execute arbitrary system commands

Severity
Critical
Title

Retrieve sensitive data/files from a running server, such as:

  • /etc/shadow
  • database passwords
  • blockchain keys (this does not include non-sensitive environment variables, open source code, or usernames)
Severity
Critical
Title

Taking down the application/website

Severity
Critical
Title

Injection of malicious HTML or XSS through metadata

Severity
High
Title

Temporary freezing of funds

Severity
High
Title

Injecting/modifying the static content on the target application without JavaScript (persistent), such as:

  • HTML injection without JavaScript
  • Replacing existing text with arbitrary text
  • Arbitrary file uploads, etc.
Severity
High
Title

Changing sensitive details of other users (including modifying browser local storage) without already-connected wallet interaction and with up to one click of user interaction, such as:

  • Email
  • Password of the victim etc.
Severity
High
Title

Improperly disclosing confidential user information, such as:

  • Email address
  • Phone number
  • Physical address, etc.
Severity
High
Title

Subdomain takeover without already-connected wallet interaction

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