# Coffee Pools ☕

Coffee Pools are Biscotti's simplest way to earn: **stake a single token, earn
another**. No LP tokens, no price ranges, no impermanent loss — just deposit
and harvest.

| | |
| --- | --- |
| Factory | `CoffeePoolFactory` — `0x7F60DcB5C141EC03650469210A4C936aFbe5619F` |
| Pool contract | `CoffeePool` (one per campaign) |
| Typical setup | Stake USDC → earn BSCT |

## How they work

Each Coffee Pool is configured with:

* a **staked token** (what you deposit),
* a **reward token** (what you earn),
* a **reward per block**, and
* a fixed **start / end block** window.

Rewards stream per block to stakers proportionally to their share of the
pool:

```
your reward rate = rewardPerBlock × yourStake / totalStaked
```

Some pools set a **per-wallet stake cap** (`poolLimitPerUser`) so early whales
can't absorb the whole reward budget.

## Using a Coffee Pool

:::steps
### Pick a pool

The **Earn → Coffee Pools** page lists active pools with their APR, remaining
duration and any wallet cap.

### Stake

Approve the staked token once, then deposit. Depositing also harvests any
rewards you've already earned.

### Harvest anytime

Deposit `0` or withdraw `0` to claim rewards without touching your stake.
Rewards don't compound automatically.

### Withdraw

Withdraw part or all of your stake at any time — there is no lock-up.
Withdrawal harvests pending rewards in the same transaction.
:::

:::warning[Pools end]
Rewards stop at the pool's `endBlock`. Your stake stays safe and withdrawable
forever, but it earns nothing after the end — check the countdown in the app.
:::

## APR

```
APR = rewardPerBlock × blocksPerYear × rewardTokenPrice
      ─────────────────────────────────────────────────
      totalStaked × stakedTokenPrice
```

APR falls as more tokens are staked — early stakers in a fresh pool earn the
most.

## Live pools — ARC Testnet

| Pool | Stake | Earn | Reward/block |
| --- | --- | --- | --- |
| #1 — `0x58a66E62f38d2b897A3337F2298bD111c29e09FD` | USDC | BSCT | 0.01 BSCT |
| #2 — `0xfdE503599321AFAE57f287EC02E5F4a94a9f37D3` | USDC | BSCT | ~0.00177 BSCT |

Full contract API in the [Coffee Pools Reference](/coffee-pools/contracts).