Crypto Casino
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How to set up a Telegram bot for bets and slots
1) Legal framework and limits of liability (start here)
License and jurisdiction. Before writing code, make sure that the operator has a license for the appropriate types of games in the target countries/regions.
Platform rules. Check the Telegram policy for bots/micropayments and local payment providers.
Responsible play. Immediately lay self-restrictions (deposits/rates/time), self-exclusion, 18 + warnings, links to assistance organizations.
Privacy and KYC/AML. The procedures described in the data processing policy must be implemented in the/WebApp bot, before the outputs - the mandatory KYC.
Geo-constraints. Implement geofilters, lists of prohibited countries/regions and blocking VPN patterns.
2) Architecture: bot, WebApp and backend
Components:1. Telegram Bot - dialog, menu, commands, buttons, notifications.
2. Telegram WebApp (mini-application) - the main UI part: lobby, box office, games, profile, standings.
3. Backend - authorization, billing, limits/anti-fraud, integration with game providers, KYC, event log.
4. Payment layer - providers of cards/local methods/crypto wallets in the region.
5. Storage - database for accounts, transactions, limits, game history; cache (Redis) for sessions/constraints.
When to use:- Bot API - for dialogs, statuses, notifications, quick actions ("Top up," "Output," "Support").
- WebApp - for complex UX: game catalog, cash register, KYC forms, tournaments, counters, graphs.
3) Creation and initial setup of the bot
Via @ BotFather, set the name/nickname, description, commands, menu, short description in Bio, avatar.
Enable inline-mode only if it matches your scenarios (usually not required for casinos).
Set up your backend webhook (or long polling early). Watch for retrays and request signatures.
Tip: start a test bot/environment (staging) with a separate token and data, do not mix with sales.
4) Account authorization and linking
In the chat, the bot gives the "Open game" button → opens WebApp.
WebApp receives initData from Telegram, you check the signature on the server and associate 'telegram _ user _ id' with the internal 'user _ id'.
Link other login methods (e-mail, SSO Apple/Google) as a reserve, but Telegram-ID is the primary key in the chat.
Enable 2FA in the casino account (TOTR/internal 2FA) + biometrics on the user's device in the Telegram client.
5) Onboarding and player profile
Welcome screen → confirmation of age/rules → choice of language/currency → quick limits presets.
Profile: KYC status, limits, deposit/withdrawal methods, transaction history, selected providers, "self-exclusion."
Immediately show "Continue" (last game) and "Recent" - this increases returns.
6) Cash: deposits and conclusions
Methods by region: cards/local payments, Apple/Google Pay (if available on the web), as well as supported crypto (TON/USDT/etc. - under license).
Transparency: show commission, "total to receive/write off," ETA, restrictions before confirmation.
Mirror method: output in the same way/in the same network as the deposit (reduces fraud, helps compliance).
Status: Accepted → In Process → Sent/Confirmed, check/TxID - right in the chat.
Antifraud: velocity limits, new devices, suspicious geo/proxies - step-up verification (2FA, selfie check).
7) Integration of slot and live game providers
Open slots and tables in the built-in WebApp (iframe or direct SDK of the provider in a container), save aspect-ratio (16:9, 1:1).
On mobile screens, keep DPR 1. 5-2 for balance of clarity and battery.
Preload only critical assets, the rest is lazy.
Live video - adaptive bitrate 360p/480p/720p, without autoplay in the lobby.
8) Limits, responsible gambling, KYC/AML
Limits: by deposits/rates/session time; periodic (day/week/month).
Self-exclusion and "timeouts" - in 1-2 clicks.
KYC: downloading documents and addresses - only in the official WebApp module; storage and access - according to regulation, with encryption.
Monitoring the game for signs of risk - soft prompts/pauses instead of aggressive promo.
9) Telegram communications: notifications and scenarios
Transaction statuses (deposit/output/ACC) and service messages (new device, password change) - always.
Promo messages - only with consent and with frequency cap (normalize frequency, "quiet hours," personalization).
Always add deeplink to the desired WebApp screen (game, box office, tournament), not to the lobby.
10) Antifraud and safety
Identification: OIDC/OAuth2, short-lived tokens, refresh rotation.
Data transfer: TLS 1. 2/1. 3, MITM protection, initData signature verification.
Secrets: keep keys/tokens in KMS; on clients - a minimum of tokens, without "secrets" in the code.
Accesses: RBAC for employees, audit log, high risk alerts.
Fraud signals: IP/geo jumps, fresh devices, high-frequency bets/deposits - turn on step-up/manual review.
11) UX bot and WebApp patterns (mobile focus)
Bot menu: compact (up to 6 items): Play, Box Office, Bonuses, Tournaments, Support, Profile.
Chat buttons: understandable CTA ("Top up," "Output," "Open tournament") + statuses.
WebApp: bottom navigation ≤ 5 points, "Continue" from above, large touch targets (≥44×44pt).
Skeleton UI and App Shell - instant frame, without "emptiness."
Availability: contrasts, table digits, localization/currency/date formats.
12) Analytics and A/B
Events: WebApp launch, in/out, deposits/outputs, provider selection, round completion, missions/tournaments, box office/game errors.
Cohorts: D1/D7/D30, deposit-CR, RPR/LTV, churn/return.
A/B: onboarding, cash (number of steps), default limits, "Continue," game windows, time and content of chat messages.
Increment: "no communication" control groups for fair evaluation of campaigns.
13) Testing and releases
Sandbox payments/providers; test wallets, dummy networks.
Network profiles: 3G/high RTT/loss, flopping network.
Mass scenarios: KYC streams, limit conflicts, canceled conclusions.
Canary releases, phicheflags, rollback by metrics (box office errors, CR drops).
14) Support and operational processes
The "Support" button in the bot menu → chat with the agent/ticket system, SLA.
Chat response templates: payment statuses, KYC request, limit check.
A separate incident channel (down provider, payment delays) is a quick distribution of statuses with ETA and apologies.
15) Launch checklist (one page)
1. License, geo-rules, Responsible Gaming - implemented.
2. The bot is created, WebApp is connected, initData is checked on the server.
3. Cash desk: region-dependent methods, mirror method, commissions/ETA/check.
4. Limits and self-exclusion, KYC module with encryption.
5. Integration of game providers: DPR, aspect-ratio, pre-loading of critical assets.
6. Antifraud: velocity-limits, device-/IP-signals, step-up.
7. Communications: transactional messages + optional promos with frequency cap.
8. Security: OIDC/TLS, secrets in KMS, RBAC, audit.
9. Analytics and A/B: events, cohorts, control groups.
10. Tests/canaries/rollback plan; support scripts and FAQs.
16) Frequent errors and quick fixes
Launch without license/geo-filters. → Suspend deposit acceptance, turn on geology, issue compliance.
There is no mirror method. → More disputes/fraud; implement the "same way/network output" rule.
Payment windows in the chat "manually." → Only cash desk/WebApp/invoices; no translations to the "manager."
Autoplay video in the lobby. → Poster + play by click; saves traffic and speeds up UX.
Heavy assets/games at once. → Lazy-init, code splitting, DPR ≤ 2.
Push spam in chat. → Frequency cap, "quiet hours," personalization and unsubscribe.
17) Mini-FAQ
Is it possible to work without WebApp, only with chat buttons?
It is possible for simple actions, but for lobby/box office/games WebApp will give the best UX, analytics and control.
How to secure authorization in WebApp?
Check the Telegram signature on the server, use short-lived sessions, device binding and 2FA.
Which payments should you choose first?
Local methods + system wallets of the region. Crypt - only if there are rules and a mirror method.
What to do when arguing over withdrawal?
Statuses, check/TxID in chat, billing collection (time, amount, method), escalation to support; if necessary - compliance check.
How not to turn chat into "advertising"?
Make promo optional, respect quiet hours, give value (tournament/cashback/status), not just banners.
The Telegram bot for bets and slots is not just a "chat with buttons," but a whole ecosystem of WebApp interface, cash register, KYC/AML, anti-fraud and responsible play. A successful launch is based on four pillars: compliance, security, convenient mobile UX and operational discipline (metrics, support, releases). Get them right - and get a fast, transparent and reliable product that users willingly return to.