> ## Documentation Index > Fetch the complete documentation index at: https://whalescorp.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Main products # Projects included in the ecosystem The holding's ecosystem unites several interconnected products that address multiple user needs in blockchain — from entry to everyday usage. * [**Holders**](https://holders.io/) — a user management center for various stablecoin assets. Provides storage of funds in decentralized accounts and the ability to pay for purchases through bank cards while maintaining non-custodial nature and full user control. * [**@card**](https://getcard.app/) — a Telegram bot with built-in Holders functionality. Allows users to utilize the service capabilities without leaving the messenger. * **Post Cash** — a non-custodial stablecoin checks service. Allows issuing checks in stablecoins and transferring them to any user, including those without a cryptocurrency wallet. * [**Ton Whales**](https://tonwhales.com/) — provides users with audit-verified secure non-custodial access to staking at various levels. * [**Tonhub**](https://gettonhub.com/) — flagship non-custodial multiblockchain wallet demonstrating exemplary integration with Holders technology. # Product Interconnections Screenshot2026 01 29at13 46 44 Products are designed so that users can satisfy various needs — from investments to payments — using multiple ecosystem products simultaneously.\ Typical cross-cutting scenarios: 1. **Ecosystem entry and basic usage** 1. [**Tonhub**](https://gettonhub.com/) serves as a showcase and entry point into the ecosystem. Users familiarize themselves with the ecosystem and transfer coins from exchanges to the wallet for safer storage. 2. Opens a decentralized account and bank card, begins managing assets through [**Holders**](https://holders.io/). 2. **Investments and staking** 1. From Tonhub, users gain access to staking opportunities and yield through [**Ton Whales**](https://tonwhales.com/) services. 2. [**Ton Whales**](https://tonwhales.com/) provides on-chain infrastructure and reward distribution, while [**Tonhub**](https://gettonhub.com/) offers an intuitive interface and portfolio display. 3. **Payments and daily expenses** 1. A user utilizing [**Holders**](https://holders.io/) can connect [**@card**](https://getcard.app/) to receive transaction notifications directly in Telegram. 2. For "share amount quickly without registration" situations, they can issue a stablecoin check through **Post Cash** and send it to any recipient. 4. **Ecosystem expansion and partnerships** 1. Ton Whales allows partners to launch their own staking pools and earn profits from staking together with their users. 2. Holders integrates into partner wallets and allows their users to open accounts and issue cards under their own brand. 3. Post Cash enables partners to implement non-custodial check functionality in their own products. Monetary and token flows pass through various products, but the user experience is built as a unified journey — from storage and investments to payments and p2p transfers. # Common Principles and Unified Elements All ecosystem products are based on unified principles: * **Non-custodial nature.** Users retain ownership of their own keys and funds in all cases where the product model allows. The platform minimizes storage of user assets and control over them. * **Simplicity over complex technology.** Complex technical infrastructure — blockchain, smart contracts, and distributed systems — is hidden behind intuitive interfaces that meet banking and fintech application standards. * **Unified approach to user experience.** All products use common interface patterns, terminology, and visual language, ensuring seamless user transition between various ecosystem services. * **Unified approach to security.** Common standards are applied for key management, verification procedures, transaction monitoring, and infrastructure protection. * **Unified legal and compliance framework.** Centralized approach to AML/KYC procedures, working with various jurisdictions, and regulatory compliance with adaptation to each product's specifics. At the holding level, common services operate: analytics and monitoring systems, centralized logging, unified payment and KYC providers, standardized development and release deployment processes. # Target Audiences and Ecosystem Positioning **Tonhub** - cryptocurrency users of various experience levels who seek a reliable and intuitive mobile wallet for secure storage of digital assets.\ **Holders** - users who prefer to store their funds in stablecoins to minimize volatility, as well as those who regularly receive salary payments, freelance income, or other receipts in stablecoins. The main need of this audience is obtaining a bank card for everyday spending of cryptocurrency funds while maintaining full control over their assets without transferring them to third-party custody.\ **@card** - active Telegram messenger users from the Holders audience who spend significant time in this application and prefer to manage their finances without switching between different applications. For them, the ability to receive instant transaction notifications and perform basic operations directly in their familiar communication environment is important.\ **Ton Whales** - experienced cryptocurrency market participants and technically savvy users who actively seek opportunities to generate passive income through staking and other DeFi instruments. This audience deeply understands the technological features of the TON blockchain, follows ecosystem development, and is ready to use complex financial instruments to maximize the profitability of their investments.\ \*\*Post Cash - \*\*active stablecoin users who need to conveniently and quickly send money via links/checks; freelancers and small businesses accepting stablecoin payments without complex integrations; as well as people making P2P transfers and distributions (prizes, bonuses, promos) within communities and chats. This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.