> For the complete documentation index, see [llms.txt](https://bitprotocol.gitbook.io/bitprotocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bitprotocol.gitbook.io/bitprotocol/bit-protocol/concepts.md).

# Concepts

**1. Collateralized Debt Position (CDP)**

> It's a digital vault where you lock crypto assets (like ETH or memecoins) to borrow $BitUSD stablecoin.

*How it works:*

1. Deposit collateral (e.g., $100 in ETH).
2. Borrow $BitUSD (e.g., up to $75, maintaining 133% collateral ratio).
3. Repay $BitUSD + fees to unlock your collateral.

*Why it matters:*

* Turns idle assets into liquidity without selling.
* Analogy: Like a crypto pawn shop—leave assets, get cash.

***

**2. $BitUSD Stablecoin**

> A decentralized stablecoin pegged to $1 USD, backed by overcollateralized crypto assets over different chains.

*Key features:*

* Cross-Chain Native: Moves between chains (Ethereum → Polygon).
* Decentralized: No company controls it—governed by BIT token holders.
* Overcollateralized: Always backed by >110% worth of crypto assets.

Why it matters:

* Stable spending/saving in volatile markets.
* Analogy: A global dollar that lives natively on every blockchain.

***

**3. Multi-Collateral Support**

> Ability to borrow against diverse category of assets—not just "blue-chip" tokens or blockchain native tokens.

*Why it matters:*

* Borrow against niche assets others reject.
* Analogy: A bank that accepts rare art as collateral.

***

**4. Risk Isolation**

> Safeguards that prevent one failing asset from crashing the whole system.

*Layers of protection:*

* **Asset Vaults:** Each collateral type (e.g., memecoins) has separate vaults.
* **Chain Silos:** Problems on Ethereum don’t affect Polygon users.
* **Backstop Pools:** Emergency funds for each asset 

*Why it matters:*

* Lets volatile assets coexist safely.
* Analogy: Firewalls between ship compartments—one leak won’t sink the vessel.

***

**5. Liquidations**

> Automatic safety process when collateral value drops too low.

*How it works:*

1. Collateral value falls below 110% of borrowed amount.
2. Backstop Pools buy collateral at a 5-10% discount.
3. If pools can’t cover, BIT stakers step in.

*Avoiding liquidation:*

* Monitor positions with built-in alerts.
* Top up collateral during market dips.

*Why it matters:*

* Protects the protocol’s solvency.
* Analogy: Airbags deploying in a crash—minimizes damage.

***

**6. BIT Token & Governance**

> BIT is the protocol’s governance token.

*Key uses:*

* Voting: Decide which assets to add, fee changes, or upgrades.
* Staking: Earn 30-60% of protocol fees by securing the network.
* Insurance: Staked BIT backs high-risk assets (slashed only if they fail).

*Why it matters:*

* Users control the protocol’s future.
* Analogy: Shareholder voting in a community-owned bank.

***

**8. Backstop Liquidity Pools**

> User-funded safety nets for liquidations.

*How it works:*

1. Users deposit $BitUSD into asset-specific pools (e.g., "Memecoin Pool").
2. During liquidations, the pool buys collateral at a discount.
3. LPs earn fees + discounted assets.

*Risk/Reward:*

* Rewards: High APY from fees + arbitrage profits.
* Risks: Temporary losses if collateral crashes severely (rare).

*Why it matters:*

* Turns liquidations into profit opportunities.
* Analogy: Buying fire-damaged goods at auction to resell later.

***

**9. On-Chain Insurance**

> Optional coverage for high-risk collateral (e.g., RWAs).

*How it works:*

1. Borrower pays 0.5-2% fee (e.g., $5/year per $1,000 collateral).
2. If asset fails catastrophically (e.g., RWA defaults), insurance covers losses.
3. Powered by decentralized underwriters like Atomica.org.

*Why it matters:*

* Borrow against exotic assets with confidence.
* Analogy: Crypto insurance for "uninsurable" risks