Effective date: August 15, 2026 · Last updated: August 30, 2026
Asterias is built around a simple principle: we cannot share what we do not have. Your cryptographic keys are generated locally and never leave your device. Your messages are end-to-end encrypted. Your financial activity uses Monero, a privacy-preserving cryptocurrency. We have no email address, no password, and no account record for you.
This Privacy Policy describes how Asterias ("we," "us," or "our") handles information when you use the Asterias platform, website, and associated services (the "Platform"). By using the Platform you agree to the practices described here.
Asterias is a privacy-preserving prediction market and peer-to-peer betting platform. Our design goal is to collect the minimum information necessary to operate and to retain it for the shortest time possible. In many cases we are technically incapable of accessing information about you even if compelled to do so.
Key generation is local. When you create an account, an X25519 cryptographic keypair is generated entirely within your browser or device. Your private key is never transmitted to our servers. We do not store it; we do not have access to it.
User identifier. Your public identity on the Platform is derived from the first 16 bytes of your X25519 public key, displayed as a 32-character hexadecimal string. This identifier is pseudonymous — it is not linked to your real-world identity by default.
Optional username. You may choose a display handle (e.g. @yourname). This is voluntary. If provided, it is stored on our relay server associated with your public key. You can change or remove it at any time.
No email, no password. We do not collect or store email addresses, phone numbers, passwords, or any government-issued identifiers.
End-to-end encryption. All messages are encrypted using the Post-Quantum X3DH (PQXDH) key agreement protocol and the Double Ratchet algorithm before they leave your device. Our relay server forwards encrypted ciphertext only. We cannot read your messages.
Relay server logs. The relay server stores encrypted message payloads temporarily to enable delivery to offline recipients. Once a message is delivered and acknowledged it is deleted from the relay. We do not maintain long-term message logs.
Bet negotiation. Bet terms negotiated between counterparties travel over the same end-to-end encrypted messaging channel. We cannot read the terms of private bets.
Monero. All financial transactions on the Platform are conducted in Monero (XMR), a privacy-preserving cryptocurrency. Monero transactions use ring signatures, stealth addresses, and confidential transaction amounts. We do not have access to your Monero wallet's spending keys.
Order book. When you post a bet to the public order book, your pseudonymous user identifier (derived from your public key) and the bet amount in piconero are recorded in the order book. These records are associated with your pseudonymous identity, not your real-world identity.
Escrow. Bet escrow uses Monero 2-of-3 multisig. The escrow holds XMR; we hold one of three keys (the oracle key). We do not hold funds outright and cannot spend escrowed XMR unilaterally.
Settlement records. The oracle server records signed settlement decisions (which party won a bet) associated with pseudonymous identifiers. These records may be retained for dispute resolution and audit purposes.
The Platform stores the following data in your browser's localStorage:
This data remains on your device. Clearing your browser's site data will permanently delete it. We recommend exporting your backup key before doing so.
We do not use tracking cookies, advertising cookies, or cross-site tracking mechanisms.
Our web servers and relay server may collect standard technical data including:
Server logs are retained for up to 30 days and then deleted. We do not sell, license, or share server logs with third parties except as required by applicable law.
IP addresses and identity. We do not link IP addresses to cryptographic identifiers. However, IP addresses are inherently associated with your network activity. If enhanced network-level anonymity is important to you, we recommend using Tor or a trusted VPN.
The Platform uses the following third-party services. Each has its own privacy policy:
We do not use Google Analytics, Meta Pixel, or any advertising or behavioural tracking SDKs.
The Platform is not intended for persons under 18 years of age. We do not knowingly collect information from minors. If you believe a minor has used the Platform, please contact us and we will take appropriate steps.
We may update this Privacy Policy from time to time. When we do, we will update the "Last updated" date at the top of this page. Continued use of the Platform after changes are posted constitutes acceptance of the updated Policy. We will not make material changes that reduce your privacy rights without providing reasonable notice.
Questions, concerns, or requests regarding this Privacy Policy can be directed to:
Asterias
Email: support@asterias.ai