Terms of Service

These terms apply to the Humanity Ledger websites and to Ledger Chat, which together we call the service. The service is provided by Stefan Antonio Cirisanu, trading as Humanity Ledger ("we", "us"). The provider's details are in the legal notice. By using the service you agree to these terms. If you do not agree, please do not use it.

1. What the service is

Ledger Chat is a messenger in which a wallet address is your account. It offers direct messages, communities, voice and video calls, payments that you sign in your own wallet, and an experimental private payments wallet on the Aztec test network. The documentation describes each feature, including the ones that are not finished.

The service is free. We do not charge for accounts, messages or payments, and we do not add a fee to any transaction. Networks charge their own fees, which your wallet shows you before you approve.

2. Who can use the service

• You must be at least 16 years old and able to enter into this agreement under the law where you live.
• You must not be located in, or ordinarily resident in, a country or region subject to comprehensive sanctions by the European Union or the United Nations, and you must not be named on a sanctions list of either.
• If you use the service for an organisation, you confirm that you can bind it to these terms.

3. Your account and your keys

• Your account is the wallet address you sign in with, or the email address you verify. You are responsible for keeping access to it secure.
• We never hold your private keys or your recovery phrase and cannot recover them. If you lose them, you may lose access to your account and to anything it controls.
• The keys of your private payments wallet are created in your browser from a signature by your own wallet. We never receive them.
• You are responsible for every transaction you approve. We cannot cancel or reverse it.

4. Early access

Ledger Chat is in early access. Features may change, be limited or be withdrawn, and the service may be unavailable at times. Our contracts have not been reviewed by an independent auditor. Known problems are listed on the audits page. Please read the risk disclosure before you use the service with anything of value.

5. Private payments on the Aztec test network

The private payments wallet (shield, unshield, send and receive) runs on the Aztec test network, not on a network with real value. The tokens it shows are test tokens: they have no monetary value, cannot be exchanged for money or for other assets through us, and may be reset if the test network is reset. Do not buy, sell or accept test tokens as payment.

6. Acceptable use

You agree not to use the service to:

• break the law, or help anyone else do so, including laws on sanctions, money laundering, terrorist financing and fraud;
• harass, threaten, exploit or incite violence against anyone;
• share any sexual content involving minors, or any content that sexualises minors;
• share content that infringes someone else's intellectual property, privacy or image rights;
• send spam, malware or phishing, or impersonate another person or organisation, including us;
• interfere with the service, test its security outside our disclosure guidelines, or access data that is not yours.

7. Content and moderation

You keep ownership of what you send and post. You give us the limited, non exclusive permission needed to store it, deliver it to the people you send it to, and show community content to the members of that community. This permission ends when the content is deleted, except for copies we must keep by law.

Anyone can report content they believe is illegal or breaks these terms, as explained in Content and copyright. We can remove community content and suspend access to the parts of the service we operate. When we do, we tell the person affected and give our reasons, unless the law prevents it. We cannot read, and therefore cannot moderate, direct messages that are encrypted end to end.

8. Payments

Payments are sent from your own wallet directly on a public blockchain or on Aztec. We are not a party to them and we never hold funds for you. We are not a bank, a payment institution, an electronic money institution, a crypto asset service provider, an exchange or a broker, and we do not offer custody, exchange or transfer services for crypto assets on your behalf. Nothing in the service is financial, investment, legal or tax advice. You are responsible for any tax that applies to your transactions.

9. Our software and our name

The source code of the service is published in our GitHub repository so that anyone can read what it does. It is source available, not open source: it is licensed under the proprietary licence in the repository's LICENSE file, which allows reading it but not copying, redistributing or running it as a competing service. The names Humanity Ledger and Ledger Chat, and our logos, may not be used for another product. Software by others that we use keeps its own licence.

10. Services we do not control

The service depends on wallets, blockchains, the XMTP network, the Aztec network and other providers listed in the Privacy Policy. We are not responsible for how they work, for their availability, or for losses caused by them.

11. Disclaimers and liability

The service is provided free of charge, as it is and as available. To the extent the law allows, we do not promise that it will be uninterrupted, error free or secure, and we are not liable for indirect or consequential losses, for lost profits, or for losses caused by networks, wallets or services we do not control.

Nothing in these terms limits or excludes liability for death or personal injury caused by negligence, for fraud or wilful misconduct, or any other liability that cannot be limited by law, and nothing affects the rights you have as a consumer under the law of the country where you live.

12. Suspension and ending

You can stop using the service at any time and ask us to delete your account as explained in the Privacy Policy. We may suspend or end your access if you seriously or repeatedly break these terms, if the law requires it, or if we stop providing the service. Where possible we will warn you first and give you time to save your data.

13. Changes to these terms

We may update these terms, for example when the service changes or the law requires it. We will tell you about significant changes in the app or on this page at least fifteen days before they take effect, unless a change is needed sooner for legal or security reasons. If you keep using the service after that date, the new terms apply.

14. Law and disputes

These terms are governed by the laws of Spain. If you are a consumer, you also keep the protection of the mandatory rules of the country where you live, and you can bring a claim in the courts of that country. We would rather solve a problem directly, so please write to us first.

15. Contact

Questions about these terms can be sent to [email protected].