Terms of Use

1. Agreement and acceptance

By downloading, installing, accessing, or using the Service, you agree to these Terms and to our Privacy Policy. If you do not agree, do not use the Service.

If you use the Service on behalf of an organisation, you confirm that you are authorised to accept these Terms for it, and "you" includes that organisation.

2. Who we are and how to contact us

The Service is operated by Roberto Salvatore Piras Murgia, a private individual ("Sealio", "we", "us", "our").

• Email: info@sealio.io
• Website: https://sealio.io

This email address is our single point of contact for users and for authorities, including for notices about illegal content and legal requests. We can communicate in English.

3. Eligibility

To use the Service you must:

• be at least 16 years old if you live in the European Economic Area (EEA), the United Kingdom, or another country where 16 is the minimum age to use online services like Sealio without parental consent;
• otherwise, be at least 13 years old (or any higher minimum age that applies where you live);
• be at least 18 years old (or the age of majority where you live, if higher) to use SOL transfers or any other crypto or wallet feature that moves value;
• be legally able to enter into these Terms; and
• not be barred from using the Service under any applicable law, including sanctions laws (see Section 18).

If you are under the age of majority where you live, you confirm that a parent or legal guardian has reviewed and agreed to these Terms with you. We may restrict or end access if we reasonably believe a user does not meet these requirements.

4. The Service

Sealio is a peer-to-peer, end-to-end encrypted messaging app that uses the Solana mainnet blockchain.

In short:

• Encryption on your device. Messages are encrypted on your device before they leave it. Only the intended recipients hold the keys needed to decrypt them.
• Ciphertext on Solana ("Proof of Encryption"). Encrypted messages are written to the Solana blockchain as ciphertext. Anyone can see that a transaction exists, but its content is not readable without the recipient's key.
• No message custody by Sealio. Sealio does not operate a server that stores your message plaintext or your private keys.
• Notifications. We use push-notification infrastructure (including Apple Push Notification service and our own relay) only to tell your device that something new has arrived. Notifications are not used to store or read message content.
• Optional SOL transfers. You may send SOL to other users. Transfers are signed on your device with your own wallet keys and broadcast to the Solana network.
• Media. Images, GIFs, or other media you choose to share may be handled by third-party services (see Section 11).

What Sealio is not. Sealio is a communication tool. It is not a bank, payment institution, money transmitter, exchange, broker, custodian, wallet provider holding funds for others, or financial, investment, tax, or legal adviser. We never hold, control, or have access to your funds. Nothing in the Service is an offer of, or advice about, any financial product.

We may change, add, or remove features from time to time. Because the Service relies on a public blockchain and on your device, some features may be unavailable, delayed, or work differently depending on network conditions.

5. Your wallet and keys

Your Sealio identity is tied to cryptographic keys that are generated and stored on your device.

• You alone are responsible for keeping your device, your keys, any recovery phrase, and any backup safe and secret.
• Lost keys mean lost access. If you lose your keys or recovery phrase, or they are deleted with your device or app data, you may permanently lose access to your messages, your Sealio identity, and any SOL held at the associated address.
• We cannot recover keys. Sealio never receives your private keys or recovery phrase. We cannot reset, recover, or replace them, and we cannot reverse actions taken with them.
• Never share your keys. Sealio will never ask you for your private key or recovery phrase. Anyone who obtains them can read your messages and move your funds.
• You are responsible for all activity carried out with your keys, unless the law where you live provides otherwise.

6. Blockchain and SOL risks

Using a public blockchain involves risks you should understand before using the Service, especially SOL transfers:

• Transactions are irreversible. Once a transaction (a message or a SOL transfer) is confirmed on Solana, it cannot be cancelled, reversed, or edited by you, by us, or by anyone else. Check the recipient and amount carefully.
• No refunds of on-chain transfers. We cannot refund SOL sent to the wrong address, to a scammer, or by mistake. Any recovery would depend entirely on the recipient.
• Network fees. Sending messages and SOL requires Solana network fees, which are paid from your wallet to the network, not to Sealio. Fees can change.
• Volatility. The value of SOL can change significantly and quickly. Sealio makes no statement about the present or future value of any digital asset.
• Network risk. The Solana network is operated by third parties. It may experience congestion, outages, forks, bugs, attacks, or protocol changes that delay, fail, or alter transactions. We do not control the network.
• Permanence and public metadata. Data written to Solana is designed to be permanent and publicly visible. Although message content is encrypted, information such as wallet addresses, transaction times, sizes, and patterns may be visible to anyone and may be linked to you by third parties.
• Cryptography over time. We use established encryption methods, but no technology is perfect. Future advances in computing or cryptanalysis could weaken the protection of ciphertext that remains permanently on-chain.
• Regulation. Laws on digital assets differ by country and change over time. You are responsible for complying with the laws that apply to you, including tax obligations.

Donations. You may choose to send a voluntary donation in SOL to the project treasury address published by Sealio (currently 8LnT5zYXdWj3HFw1iFDZKSJa5gfq6LX8P3SV8Us3meYM). Donations are gifts. They do not give you tokens, ownership, profit share, returns, voting rights, priority support, or extra features, and they are not refundable once confirmed on-chain. The Service is otherwise free to use (apart from network fees).

7. Acceptable use and prohibited conduct

You agree to use the Service lawfully and respectfully. We have zero tolerance for objectionable content and abusive users. You must not use the Service to create, send, store, or share, or to attempt or help anyone else to:

• Child sexual abuse material (CSAM) or any content that sexualises, exploits, or endangers minors, including grooming. We report apparent CSAM to the competent authorities and organisations where required or permitted by law.
• Illegal content of any kind under the law that applies to you or the recipient.
• Harassment, bullying, threats, stalking, hate speech, incitement to violence, or doxxing.
• Non-consensual intimate images, or sexual content sent to people who have not agreed to receive it.
• Content promoting terrorism or violent extremism.
• Fraud, scams, phishing, impersonation, Ponzi or pyramid schemes, pump-and-dump schemes, or other deceptive practices, including attempts to obtain someone's keys or recovery phrase.
• Money laundering, terrorist financing, sanctions evasion, or other financial crime.
• Malware, viruses, exploits, or any code designed to harm, disrupt, or gain unauthorised access to devices, systems, data, or networks.
• Spam, unsolicited bulk messages, or automated mass messaging.
• Infringement of anyone's intellectual property, privacy, or other rights.
• Interfering with, overloading, reverse engineering (except where the law allows it despite this restriction), or circumventing security or safety features of the Service, including Report and Block.

We may act on breaches of this Section as described in Sections 9 and 16.

8. Your content and licence

You own your content. Messages, media, and other material you create or share through the Service ("Your Content") belong to you (or to whoever owns them). You are responsible for Your Content and confirm you have the rights needed to share it.

Limited licence to us. To the extent that we need it to operate the Service, you grant us a worldwide, non-exclusive, royalty-free licence to transmit, store, and process Your Content only as technically necessary to provide, secure, and improve the Service — for example, relaying notifications or handling media you choose to share. This licence ends when Your Content is no longer handled by systems we control, except where we must keep information to comply with law or to handle a report.

On-chain ciphertext is public. Encrypted messages written to Solana are public as ciphertext and are designed to be permanent. Neither you nor we can delete them from the blockchain. Deleting the app or a conversation removes it from your device, not from Solana. Recipients can also keep, copy, or screenshot what you send them.

Feedback. If you send us ideas or suggestions, we may use them without any obligation to you.

9. Reporting and blocking

The Service includes in-app Report and Block tools.

• Block a user to stop seeing their messages in your app.
• Report a user or a message through the in-app Report option, or email info@sealio.io with the relevant wallet address, a description, and (if you are comfortable) screenshots or the decrypted content you wish us to review. Because messages are end-to-end encrypted, we can only see content that you choose to include in a report.
• Review target. We aim to review reports within 24 hours. Complex cases may take longer.
• Our actions. If we find a breach of these Terms or the law, we may, among other things, restrict or remove the reported account's access to features we operate (such as notifications, directories, or media handling), remove content we host, and notify authorities where required or appropriate. We cannot remove ciphertext already written to Solana.
• Your rights. Where the law requires it (for example, under the EU Digital Services Act), we will tell you the reasons for a restriction that affects you and how to contest it. You can contest a decision by emailing info@sealio.io; we will review it in good faith. You may also have the right to use out-of-court dispute settlement bodies or go to court.
• False reports. Repeated, knowingly false reports are themselves a breach of these Terms.

If you believe someone is in immediate danger, contact local emergency services first.

10. Privacy

Our Privacy Policy explains what personal data we process, why, and your rights (including under the EU/UK General Data Protection Regulation where it applies). By design, Sealio does not ask for your name, phone number, or email to use the Service, and does not hold your message plaintext or private keys. Please read the Privacy Policy together with these Terms.

11. Third-party services

The Service depends on services we do not own or control, which may include:

• Apple (App Store, iOS, Apple Push Notification service);
• the Solana network, its validators, and RPC providers;
• GIPHY or similar providers, if you use GIF features;
• media storage or content delivery providers, where you share media; and
• block explorers (such as Solscan) and external wallets you choose to use.

Your use of these services may be subject to their own terms and privacy policies. We are not responsible for third-party services, their availability, content, or practices, except where the law says otherwise. Links to third-party sites are provided for convenience only.

12. App Store terms (Apple)

If you downloaded Sealio from the Apple App Store, the following also applies:

• Licence. Sealio is licensed to you, not sold, under Apple's Licensed Application End User License Agreement ("Apple EULA"), as supplemented by these Terms. If these Terms and the Apple EULA conflict on a matter covered by the Apple EULA, the Apple EULA applies to the extent required by Apple. You may use Sealio on Apple-branded devices you own or control, as permitted by the App Store Usage Rules.
• Parties. These Terms are between you and Sealio only, not Apple. Sealio, not Apple, is solely responsible for the app and its content.
• Maintenance and support. Sealio, not Apple, is responsible for any maintenance and support. Apple has no obligation to provide either.
• Warranty. To the extent any warranty applies and the app fails to conform to it, you may notify Apple, and Apple will refund the purchase price (if any) for the app. To the maximum extent permitted by law, Apple has no other warranty obligation with respect to the app.
• Claims. Sealio, not Apple, is responsible for addressing any claims by you or a third party relating to the app or your possession or use of it, including product liability claims, claims that the app fails to meet a legal or regulatory requirement, and claims under consumer protection, privacy, or similar laws.
• Intellectual property. If a third party claims that the app or your use of it infringes their intellectual property rights, Sealio, not Apple, is solely responsible for investigating, defending, settling, and discharging the claim.
• Legal compliance. You confirm that you are not located in a country subject to a U.S. Government embargo or designated by the U.S. Government as a "terrorist supporting" country, and that you are not on any U.S. Government list of prohibited or restricted parties.
• Third-party terms. You must comply with applicable third-party terms (such as your wireless data provider) when using the app.
• Third-party beneficiary. Apple and its subsidiaries are third-party beneficiaries of these Terms and, once you accept them, have the right to enforce them against you as a third-party beneficiary.
• Contact. Questions, complaints, or claims about the app: Roberto Salvatore Piras Murgia, info@sealio.io.

13. Disclaimers

To the maximum extent permitted by applicable law, the Service is provided "as is" and "as available", without warranties of any kind, whether express, implied, or statutory, including implied warranties of merchantability, fitness for a particular purpose, title, and non-infringement. We do not warrant that the Service will be uninterrupted, error-free, or secure, that messages or transactions will be delivered or confirmed, or that any defects will be corrected.

For consumers in the EU, UK, and other countries with mandatory consumer guarantees: this Section does not affect your statutory rights, including any legal guarantee of conformity for digital content and services, which continue to apply.

14. Limitation of liability

To the maximum extent permitted by applicable law:

• we are not liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, or for loss of profits, revenue, data, digital assets, goodwill, or business opportunity;
• we are not liable for losses caused by lost or compromised keys, irreversible or mistaken blockchain transactions, the Solana network or other third-party services, changes in the value of SOL, or your breach of these Terms; and
• our total liability to you for all claims arising out of or relating to the Service or these Terms is limited to the greater of (a) the amount you paid to us for the Service in the 12 months before the claim (the Service is free, and donations are not payments for the Service) and (b) EUR 50 (or the equivalent in local currency).

What we do not exclude. Nothing in these Terms excludes or limits liability that cannot be excluded or limited under applicable law, including liability for death or personal injury caused by negligence, for fraud or fraudulent misrepresentation, for gross negligence or wilful misconduct, or any rights you have as a consumer under mandatory law (for example, EU or UK consumer protection law). Some jurisdictions do not allow certain exclusions or limitations, so some of the above may not apply to you.

15. Indemnity

To the extent permitted by applicable law, you agree to indemnify and hold harmless Sealio from any claims, losses, liabilities, damages, costs, and expenses (including reasonable legal fees) brought by a third party arising from (a) your breach of these Terms or the law, (b) Your Content, or (c) your misuse of the Service. This Section does not apply to consumers to the extent it is prohibited by mandatory consumer law.

16. Suspension and termination

By you. You may stop using the Service at any time by deleting the app. Remember that data already written to Solana stays on the blockchain, and you remain responsible for your keys and any funds at your address.

By us. We may suspend or restrict your access to features we operate, in whole or in part, if we reasonably believe that you have breached these Terms or the law, that your use creates risk or harm for others or for the Service, or if we are required to do so by law or by a competent authority. Where reasonable and legally permitted, we will tell you and give you an opportunity to respond. Because of how the Service is built, we cannot block access to the Solana blockchain itself or move or freeze your funds.

We may discontinue the Service, or any part of it, with reasonable notice where practicable.

Sections that by their nature should survive termination (including Sections 5, 6, 8, 13, 14, 15, 19, and 20) continue to apply.

17. Changes to these Terms

We may update these Terms to reflect changes to the Service, the law, or the results of legal review. We will post the updated Terms at sealio.io/terms with a new effective date and, for material changes, give notice through the website or the app. Where required by law, we will give reasonable advance notice (normally at least 30 days) before material changes take effect.

If you continue to use the Service after the changes take effect, you accept the updated Terms. If you do not agree, you should stop using the Service.

18. Export controls and sanctions

You must comply with all applicable export control and sanctions laws, including those of the European Union, the United Nations, the United Kingdom, and the United States. You confirm that you are not (a) located in, ordinarily resident in, or organised under the laws of a country or region subject to comprehensive sanctions, or (b) listed on, or owned or controlled by anyone listed on, any applicable sanctions or restricted-party list. You must not use the Service, including SOL transfers, to deal with sanctioned persons or to evade sanctions.

19. Governing law and disputes

Informal resolution first. If you have a problem with the Service, please email info@sealio.io first. We will try in good faith to resolve it informally within 30 days. This step is optional and does not affect your right to go to court or use other dispute resolution options.

Governing law. These Terms and any dispute arising from them are governed by the laws of Denmark, excluding its conflict-of-law rules and the UN Convention on Contracts for the International Sale of Goods.

Courts. Subject to the paragraph below, the courts of Denmark have jurisdiction.

Consumers in the EU, EEA, and UK. If you are a consumer living in the EU, EEA, or UK, you keep the protection of the mandatory consumer laws of your country of residence, and you may bring proceedings in the courts of your country of residence as well as in Denmark. You may also have the right to use an alternative dispute resolution body in your country.

Consumers elsewhere. If the law where you live gives you the right to have these Terms governed by local law or to bring a claim in your local courts, those rights are not affected.

20. General

• Severability. If any part of these Terms is found invalid or unenforceable, it will be enforced to the maximum extent permitted, and the rest of these Terms will remain in effect.
• Entire agreement. These Terms, together with the Privacy Policy and (where applicable) the Apple EULA, are the entire agreement between you and us about the Service and replace any earlier agreements on the same subject.
• No waiver. If we do not enforce a right, that does not waive it.
• Assignment. You may not transfer your rights under these Terms without our consent. We may transfer our rights and obligations to someone who takes over the Service, provided this does not reduce your rights as a consumer; we will notify you where required.
• Language. These Terms are written in English. If we provide a translation and it conflicts with the English version, the English version controls, unless mandatory law where you live requires otherwise.
• Notices. We may send notices to you through the app or the website. You can send notices to us at info@sealio.io.

21. Effective date

These Terms take effect on 4 November 2026.

Questions about these Terms: info@sealio.io