# Bug Bounty Program

# Scope

Issues that can lead to substantial loss of money, critical bugs like a broken live-ness condition, blocking upgrade system, irreversible loss of funds, or enforced exodus mode.

# Assumptions

In order to be eligible for the bug bounty, a bug should adhere to the security assumptions of zkSync. You can read more about them here (opens new window).

# Disclosure Policy

Let us know as soon as possible upon discovery of a potential security issue.

Provide us a reasonable amount of time to resolve the issue before any disclosure to the public or a third party.

# The wrong way to disclose

The following actions will make you ineligible for the bug bounty program:

  • Filing a public issue about the vulnerability
  • Testing the vulnerability on mainnet or testnet

# The right way to disclose

Please email us at security@zksync.io. We appreciate detailed information about confirming or fixing the vulnerability. If possible, please use the PGP key below to encrypt the message.

# Exclusions

  • Already known vulnerabilities.
  • Vulnerabilities in code not leading to funds lost or frozen.
  • Vulnerabilities not related to smart contracts or cryptography used by the protocol.

# Eligibility

  • You must be the first reporter of the vulnerability
  • You must be able to verify a signature from the same address
  • Provide enough information about the vulnerability

# Bounty Payout

bounty-table.png

For severe cases involving a total loss of funds, we will pay a bounty of $500,000.

# Contact

Please submit all your requests here: security@zksync.io.

# PGP Key

The following PGP key may be used to communicate sensitive information to developers:

Fingerprint: 5FED B2D0 EA2C 4906 DD66 71D7 A2C5 0B40 CE3C F297

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