> For the complete documentation index, see [llms.txt](https://docs.binkbtc.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.binkbtc.com/introduction/welcome-to-bink.md).

# Welcome to Bink

### Welcome to Bink

Welcome to the Bink documentation! This guide will help you understand and make the most of Bink, a self-custodial Bitcoin application designed to unlock the full potential of your Bitcoin through earning, borrowing, and seamless payments.

Whether you're new to Bitcoin or an experienced crypto user, Bink makes it easy to put your Bitcoin to work while maintaining complete control of your assets. No centralized intermediaries, no complicated DeFi protocols to learn, just straightforward access to Bitcoin's emerging financial ecosystem.

***

### What You'll Find in This Documentation

This documentation is organized to help you understand and use every aspect of Bink:

#### Getting Started

* [**Create Account**](/getting-started/create-account.md): Set up your self-custodial wallet with email authentication
* [**Deposit Funds**](/getting-started/deposit-funds.md): Add Bitcoin or USDC to your account
* [**First Steps**](/getting-started/understand-the-interface.md): Navigate the interface and understand your balances

#### Core Features

* [**Wallet Management**](/core-features/wallet-management.md): Understand self-custody, key security, and recovery options
* [**Earning Yield**](/core-features/earn-yield.md): Learn how Bitcoin yield works through stBTC and network gas fees
* [**Borrowing**](/core-features/borrow.md): Access liquidity by borrowing USDC against your Bitcoin collateral
* [**Exchanging Assets**](/core-features/exchange.md): Exchange between Bitcoin and USDC using Bitzy
* [**Sending & Receiving**](/core-features/transfer.md): Make payments and transfers globally to other Bink users, pay Lightning invoices or transfer money to a Bitcoin address

#### Security & Account Management

* [**Exporting Your Private Keys**](/security/exporting-your-private-keys.md): Learn how to export your wallet's private keys through Privy for use in other applications or enhanced security. Understand what private keys are, when and why to export them, and how to secure them properly.

#### Tutorials

* [**Deposit Funds**](/tutorials/deposit-funds.md): Complete walkthrough of depositing Bitcoin via L1 or Lightning Network or adding USDC from multiple chains. Learn how to navigate deposit addresses, understand processing times, and track your deposits in real-time.
* [**Borrow USDC against BTC**](/tutorials/borrowing-usdc-against-btc.md): Hands-on guide to borrowing stablecoins using your Bitcoin as collateral. Follow the process from initiating a borrow, understanding collateral requirements, reviewing interest rates, confirming the transaction, and managing your loan.
* [**Exchange**](/tutorials/exchange.md): Step-by-step instructions for exchanging Bitcoin for USDC and vice versa. Learn how to use the exchange interface, review rates and fees, execute swaps, and confirm transactions complete successfully.
* [**Pay & Receive**](/tutorials/transfer.md): Practical guide to sending Bitcoin or USDC to other Bink users, paying Lightning invoices, transferring to Bitcoin addresses, and receiving funds through multiple methods including Lightning Network and on-chain deposits.