SYNTHSIGNAL / YOUR TRUST

Your privacy

What we use, why we use it, and the choices you have. Updated September 30, 2026.

Service availability changes as sources are connected and reviewed. See Sources and coverage and What’s available for the current scope. Existing rules, subscriptions and saved cards remain stored when a feature is paused; paused publisher snapshots are withheld from display and downloads. You can request access or deletion through the contact form.

Who to contact

SynthSignal is an independent project based in Canada. Mayfly, the founder, handles privacy questions and requests. Use our privacy contact form; your message is visible only to you when signed in and to the founder.

Information used to run your Synth

• ChatGPT sign-in provides an account identifier, email address and, when available, your name. We use these to identify your account, display your profile and restrict founder tools. We do not receive your ChatGPT password or conversations.
• We store your favorites, saved Synth Cards, alert rules, monitoring state and inbox activity to provide those features across devices.
• When you activate your Synth, we store your chosen nickname, participation point history and leaderboard preference with your account. Progress is private by default. If you join the public leaderboard, visitors can see your nickname, icon, rank, point totals and founder badge where applicable. Your email, account identifier and private activity history are not published. You can leave the public leaderboard from its preferences without losing progress. If you activate your first Synth through a friend’s invite, we store that referral with your membership and award your friend points. They see a referral count, not your account details.
• Keyword alerts store the words or phrases you follow, their active status and matching news references with your account. They are private. Inbox matches are shown for seven days; duplicate-prevention records are cleared after fourteen days during subsequent checks. Pausing or removing a keyword stops future matches; recent history stays until it expires.
• If you enable device notifications, we store your browser’s push subscription, encryption keys and delivery records to send alerts. Notification content may appear on your lock screen.
• Suggested links and your private notes are stored for review. Approved picks publish a link and the founder’s introduction; your account identity and private submission note are not published.
• Contact requests store the reply email and message you submit, a reference, status and timestamps, and your account identifier if signed in. Please do not include passwords, payment details or API keys.

Your browser and outside services

Currency, preview news preferences, the getting-started tip dismissal and any device-only saved cards use browser storage. Invite links set a first-party cookie for up to 30 days to remember the inviter until you activate your Synth; it is cleared after activation. Sign-in relies on the hosting service’s session controls. Our hosting and security providers may process technical request information such as IP address, browser information and logs.

Hosting and sign-in are provided through OpenAI Sites and Cloudflare infrastructure. Push delivery uses your browser’s notification service. These services may process information outside your province or country.

TradingView charts, crypto and stock mover cards, quotes, asset-data views, calendars and headlines load when their view is opened. Loading connects to TradingView, which receives connection information and may use its own cookies. Selected X carousel posts load automatically, including media supplied by X. Hidden slides do not load posts. Facebook and Instagram embeds wait for a load choice. Provider scripts may remain active until you leave the page. These providers receive connection information and may use their own cookies. External source links, X, Reddit and PayPal open their own services and follow their privacy policies. PayPal processes donations; the founder may receive transaction information from PayPal, but this website does not collect your card details.

SynthSignal does not sell your personal information. We count public page views using a first-party counter without tracking cookies or visitor identifiers. The private founder dashboard shows daily totals by page category, device type and broad source category (direct, search, social, internal or referral), including fixed labels for briefing links shared through X, LinkedIn or the share button. Only those predefined campaign labels are counted; arbitrary URL parameters are not stored. This counter does not store IP addresses, account identities, search queries or full referrer URLs. A random per-view receipt prevents duplicate counting; receipts older than 24 hours and daily totals outside the 90-day reporting window are cleaned up on subsequent measurement requests. Do Not Track and Global Privacy Control signals disable this measurement. Private account pages and signed-in founder visits are excluded. Hosting and security logs are separate from this counter.

Retention and your choices

Favorites, cards and rules remain until you remove them or a deletion request is completed. Notifications, delivery records and temporary market caches are periodically limited or cleared by the application. Suggestions and support requests are kept while needed for review, follow-up and handling rights requests; the founder handles removal requests. Hosting logs and backups follow the provider’s retention processes and are not immediately erased by changing your saved items.

You can edit or remove saved items from your profile, disable device notifications in your browser settings, and clear this site’s browser storage. Clearing browser storage does not remove account data.

Download your saved data or request deletion. You can also request access, correction or an explanation of how your information is handled through the privacy form. We may need to verify that the information belongs to you. A request confirmation means we received it; it does not mean deletion is complete. Deleting SynthSignal data does not delete your ChatGPT account or copies already shared outside the site.