Terms of Service

Version 2026-11-12 · Effective 12 November 2026

The user assumes all risk associated with use of the Service and shall conduct independent due diligence and research (DYOR). These Terms of Service (the "Terms") govern access to and use of the Sigma Wallet website and its tools for deploying and operating multi-signature wallet smart contracts (the "Service"). By using the Service, the user accepts and agrees to be bound by these Terms, the Risk Disclaimer and the Privacy Policy. If the user does not agree, the user must discontinue use of the Service immediately.

1. Operator

The Service is developed and maintained by the anonymous maintainers of Sigma Wallet ("we", "the maintainers"). There is no registered company or other legal entity behind the Service, and the identities and location of the maintainers are not publicly disclosed.

2. Ownership of user code, data, keys and funds

The Service is non-custodial interface software. The maintainers do not own, custody, control or claim any right in:

Such code-in-use, data and value are owned and controlled by the user and the user's co-owners. Every transaction is signed by the user's own wallet and submitted directly to the blockchain. The Service provides only an interface to construct and submit those transactions; the maintainers never hold keys capable of transferring the user's assets.

3. Description of the Service

The Service is a web interface that enables the user to:

Published smart-contract source code for the Factory, vault and related contracts is verified and publicly available on Polygonscan. Source verification means that the published source corresponds to the on-chain bytecode and may be inspected by the user. Such verification does not constitute a security audit, does not warrant the absence of defects, does not warrant fitness for any particular purpose, and does not warrant that the contracts are safe for use with real funds. The user must still conduct independent due diligence and research prior to use.

4. Fees

5. Eligibility and prohibited use

By using the Service, the user represents and warrants that:

If the user breaches these Terms, the maintainers may, where technically feasible, restrict access to the web interface. Contracts already deployed on a blockchain are unaffected: the maintainers cannot freeze, reverse or disable them.

6. Intellectual property of published software

The smart contracts (MultiSigFactory, MultiSigVaultV4 and the licence NFT) are open source under the MIT License. The website front-end code is proprietary; all rights are reserved.

The foregoing licence covers published source code as software. It does not transfer to the maintainers any ownership of vaults deployed by the user, funds held therein, or data on the user's devices or under the user's addresses.

7. Disclaimer of warranties; assumption of risk; limitation of liability

The Service and the smart contracts are provided "as is" and "as available", without warranties of any kind, express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, non-infringement, security or uninterrupted operation.

The user assumes all risk arising from use of the Service. The user is solely responsible for evaluating the software, the contracts (including source verified on Polygonscan), the network, co-owners and the user's own operational security. Nothing in the interface constitutes investment, financial, tax or legal advice.

To the maximum extent permitted by applicable law, the maintainers shall not be liable for any direct, indirect, incidental, special, consequential or punitive damages, or for any loss of funds, data or profits, arising from the user's use of or inability to use the Service, whether in contract, tort or otherwise.

To the fullest extent permitted by applicable law, the maintainers accept no liability of any kind for any loss arising from the user's use of the Service. No liability cap or recovery process is offered. See "Disclaimer of warranties" above.

8. Indemnification

To the extent permitted by applicable law, the user agrees to indemnify and hold the maintainers harmless from and against any claims, demands, losses, liabilities, damages and expenses (including reasonable attorneys' fees) arising out of or relating to: (a) the user's breach of these Terms; (b) the user's misuse of the Service; or (c) transactions initiated by the user on-chain.

9. Amendments

The maintainers may update these Terms from time to time. Material changes will be displayed prominently in the interface, and the user will be required to accept the updated version before the user's next deployment. The version accepted by the user is recorded solely in the user's browser.

10. Governing law and dispute resolution

This is a fully decentralised, non-custodial tool. The maintainers designate no governing law for disputes arising from use of the Service. The user assumes all risk of use and is subject to such law, if any, as a court in the user's own jurisdiction may apply.

The maintainers provide no dispute-resolution mechanism, including arbitration, mediation or a designated litigation venue. There is no registered entity against which suit may be brought, and no customer-support process for resolving disagreements. If a dispute arises between the user and another party (including another co-owner of a vault), resolution of that dispute is solely the responsibility of the user.

11. Severability; entire agreement

If any provision of these Terms is held unenforceable, the remaining provisions shall continue in full force and effect. These Terms, together with the Risk Disclaimer and the Privacy Policy, constitute the entire agreement between the user and the maintainers concerning the Service.

12. Contact

No public contact channel is designated. There is no registered entity for correspondence.