# addresses

Live contracts on Base mainnet. Always verify on [BaseScan](https://basescan.org/) before interacting.

## basefun core (current)

| Contract                                         | Address                                      |
| ------------------------------------------------ | -------------------------------------------- |
| **FactoryV3** (current — fee-on-transfer tokens) | `0x9ee0e59CE9CB8bc0d4FFc938bE2e0d6eC218c529` |
| **LTFactory**                                    | `0xe082d0d78bf83846b0ea321fe794867e4b6c3779` |

## basefun core (legacy)

| Contract                                         | Address                                      |
| ------------------------------------------------ | -------------------------------------------- |
| **FactoryV2** (legacy — 0/0 transfer fee tokens) | `0x4ac796dcff36374f3b19dfc0ae1f109e923e48a6` |

FactoryV2 is no longer used for new launches but historical tokens deployed by it continue to trade. Both factories share the same `LTFactory`.

## Dependencies on Base

| Contract                      | Address                                      |
| ----------------------------- | -------------------------------------------- |
| USDC (native, FiatTokenV2\_2) | `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` |
| Uniswap V2 Router             | `0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24` |
| Uniswap V2 Factory            | `0x8909Dc15e40173Ff4699343b6eB8132c65e18eC6` |
| Avantis Trading               | `0x44914408af82bC9983bbb330e3578E1105e11d4e` |
| Avantis TradingStorage        | `0x8a311D7048c35985aa31C131B9A13e03a5f7422d` |
| Avantis PairStorage           | `0x5db3772136e5557EFE028Db05EE95C84D76faEC4` |
| Avantis PairInfos             | `0x81F22d0Cc22977c91bEfE648C9fddf1f2bd977e5` |
| Avantis PriceAggregator       | `0x64e2625621970F8cfA17B294670d61CB883dA511` |

## Per-token addresses

Two on-chain contracts are deployed per launched token:

1. The **token** (`BasefunToken` for V1, `BasefunTokenV2` for V2).
2. Its **bonding curve** (`BondingCurveV2`).

Both are linked from the basefun token page (`/t/0x…`) and from the Uni V2 pair (created at graduation).

The LT, however, is **shared** across every token with the same `(pairIndex, leverage, direction)`. The basefun token page shows the LT address it points to; you'll see the same LT address across multiple tokens that share the underlying configuration.

## Operator addresses

| Role          | Public function                                                                                                                              |
| ------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
| Factory owner | Owns FactoryV2 and FactoryV3; can `setProtocolFeeRecipient`, `setMigrator`, `transferOwnership`.                                             |
| Treasury      | Receives `$1` deploy fee, the 0.5% protocol fee, $300 graduation cut, post-grad 50% of FOT fees. Bytecode-immutable on each per-token curve. |
| Keeper EOA    | Operates Avantis trades, sweeps post-grad fees. Whitelisted as a `migrator` on both factories.                                               |

Their specific addresses are visible in factory state on BaseScan (`owner()`, `protocolFeeRecipient`, `migrators(addr)`). They are not duplicated here so this page never drifts out of sync.


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