# Overview

Simple Pools on CaviarNine offer an innovative way to provide liquidity and execute trades using  a weighted pools with flexible fee structures. Unlike traditional liquidity pools, Simple Pools allow for customizable token weight distributions, enabling more efficient pricing mechanisms.

### Key Features

* **Weighted Liquidity Distribution**: Each token in the pool can have a predefined weight between **10% and 90%**, affecting the price impact of swaps.
* **Flexible Fees**: Pools have customizable swap fees ranging from **0.01% to 2%**, with configurable protocol and treasury fee shares.
* **Liquidity Provider Tokens (LP Tokens)**: Users receive LP tokens representing their share of the pool, which can be redeemed at any time.
* **LP Tokens are Radix Native:** User LP tokens are natively supported by the Radix Wallet for simple breakdown of there valuation
* **Efficient Swaps**: The pool uses a simple swap function to ensure optimal price execution based on liquidity weights.
* **On-Ledger Transactions**: All transactions are executed fully on-ledger, ensuring transparency and security.

### How It Works

1. **Pool Creation**
   * A user can create a new Simple Pool by selecting two assets and defining their respective weights and the pool fees
   * Starting a pool is free (ignore the tiny gas).
2. **Adding Liquidity**
   * Liquidity providers contribute tokens in proportion to the pool's weight distribution.
   * They receive LP tokens that track their share in the pool.
   * Liquidity is spread over the entire spot range, so you don’t have to worry about it ever being unused or concentrated in a way that limits trading activity. This ensures continuous availability of liquidity for all market participants.
3. **Swapping Assets**
   * Users can swap one asset for another within the pool.
   * The output amount is calculated based on the token reserves, liquidity weights, and swap fee deductions.
   * The CaviarNine Aggregator will automatically pick up any new pool and instantly route to it.
4. **Withdrawing Liquidity**
   * LP token holders can redeem their tokens for underlying assets at the pool’s current reserves.
   * The redemption value is calculated dynamically based on pool reserves.


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