This policy covers the CoinMadang app and website and Kaia Pulse (pulse.coinmadang.app). The Kaia Pulse web sections below describe those web features; Android advertising and storage are covered separately in the mobile sections.
English
CoinMadang provides market and onchain information and the KaiaPulse calculator without an account. The production Android app includes app-open ads and rewarded ads for the calculator. Development and test builds use official test ads. Website advertising and cookies are described separately. Mobile notice updated: 2026-10-08.
Information stored on your device
The mobile app stores watchlists, appearance and app settings, exchange and calculator catalogs, and recent valid market and onchain data on the device. Calculator inputs and results are calculated locally; they are not sent to the ad SDK, data server, URLs, logs or analytics, or saved permanently. The website may store language, display settings and consent choices in browser storage or cookies to operate the service.
Network processing
The app and website request data from CoinMadang public data services and external market and onchain providers. The app also uses restricted public asset-image URLs. Infrastructure providers may process IP addresses and ordinary request metadata for delivery, operation and security. If you send a support email, its contents, reply address and app/device details you review are sent to support staff and the mail service. The app does not send email automatically.
Mobile ads and consent
The Android app includes app-open ads and rewarded ads for the calculator. App-open ads are skipped on first use and spaced at least 30 minutes apart; ad preparation failures do not block entry. In app versions with the 10-minute access pass, an accepted calculator reward grants 10 minutes of calculator access on the same device. Changing the coin or inputs and reopening the app preserves the remaining time. Earlier versions may behave differently. Expiry affects the next calculation and does not close an already displayed result. Closing the result clears the inputs and result. Closing an ad without a reward or failing to prepare an ad does not grant new access, and inputs are retained.
Google Mobile Ads SDK: The SDK may process IP addresses (to estimate general location), ad interactions, diagnostics and identifiers such as advertising ID and app set ID; data is encrypted in transit. The SDK initializes and requests ads only when UMP permits ad requests. Where applicable, change your choice through advertising privacy options in Settings.
For advertising access, only the access grant/expiry times and app-open ad display times are stored on the device. Calculator inputs and results are neither persistently stored nor sent to the ad SDK, data server, URLs, logs or analytics services. No Firebase Analytics, Crashlytics, banner or interstitial ads are added.
Ads may be unavailable during review. Google Mobile Ads SDK
Web advertising and cookies
When web advertising is enabled, Google and its advertising partners may use cookies, web beacons, IP addresses, device and browser information, and advertising interactions to deliver ads, manage frequency, prevent abuse, and measure performance. Third-party vendors, including Google, may use cookies to serve ads based on your prior visits to this website or other websites. Where consent is required, a Google-certified consent management platform (CMP) lets you accept, reject, or manage these choices. See How Google uses information from partner sites and manage Google advertising choices in My Ad Center.
Accounts, sale of personal information, and service scope
Market information is available without signing in. Posting and voting in the web community require Google sign-in. CoinMadang does not sell personal information. The current mobile app has no community, points, profile or address-entry feature. Website ads are served only after AdSense approval and the required operating settings are enabled. CoinMadang provides no trading, orders, wallet creation, connection or custody, deposits, withdrawals, investment advice or guaranteed returns. Revealing calculator results is not a cash, coin or other external reward.
Deletion, choices, and contact
Local app data also includes app-open ad display times and, in app versions with the 10-minute access pass, calculator access grant and expiry times. In-app “Reset display mode” restores only the default dark theme, and “Clear watchlist” removes only watchlist entries. To remove all local app data, use Android Settings → Apps → CoinMadang → Storage → Clear data, or uninstall the app. OS backup and restore, advertising identifiers and consent information are also subject to platform and SDK controls. On the web, clear site data and cookies in your browser; change web ad choices in its privacy/cookie settings or My Ad Center. The web community uses Google sign-in and stores account records, posts, comments and votes on the server. Contact support@coinmadang.app about access to or deletion of community accounts or materials or support emails. This does not mean those records have already been deleted; applicable records and retention reasons will be checked and explained.
Web favorites and settings
The web language, selected exchanges and favorites are stored only in your browser, without an account or cross-device sync. Clearing browser data removes them. Android advertising and permissions described below are separate from web features. Web comparisons, details and calculators do not require watching app ads.
Kaia Pulse · Calculator inputs
Average purchase price, total investment, target price, holdings and calculated results are not stored on our server or in a database. They are not placed in URLs, server logs or advertising targeting data.
The same tab’s sessionStorage is used only to carry a result page or preserve entries while the language changes. Result data expires after 30 minutes, language-change drafts after 5 minutes, and both are deleted as soon as they are read. Financial inputs are never stored in localStorage.
Kaia Pulse · Language and feature state
Your language preference may be stored in a cookie and localStorage. Session ad assignment and rewarded-access entitlement may be held in sessionStorage. These values do not create a user account or persistent user identifier.
Kaia Pulse · Advertising and third parties
If advertising is enabled, the service selected for that session—Google AdSense, Google Ad Manager or Kakao AdFit—may process cookies, advertising identifiers, IP address, device and browser information, and ad delivery events. Google and Kakao ad scripts are not run together in the same document.
Regions that require consent, including the EEA, UK and Switzerland, require an approved consent-management setup. The dashboard and calculator remain usable when consent is withheld or ads are blocked.
Kaia Pulse · Analytics events
If analytics is enabled, only minimal events—such as opening the calculator, submitting a calculation, viewing a result, the selected ad provider, locale, and mobile or desktop category—may be sent. Coin, search term, amount, price, quantity, profit or loss, market cap, rank and wallet address are not sent.
Community
Community sign-in uses Google through Firebase Authentication. We store a user identifier, display name, permission status, posts, comments, votes, reports and uploaded images. Public posts, names and images are visible to visitors. Google/Firebase processes sign-in data under its own policy.
TradingView
Opening TradingView widgets sends your IP, page URL, widget type and symbol to TradingView. Only the chart collapse preference is saved in this browser.
Follow Bitcoin, the USD/KRW exchange rate and gold with prices and charts.
TradingView · Privacy Policy