> For the complete documentation index, see [llms.txt](https://bitfi-2.gitbook.io/bitfi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bitfi-2.gitbook.io/bitfi/developer/bfbtc-overview/deployed-contracts.md).

# Deployed Contracts

## **Contract Addresses (Mainnet):**

**Binance Smart Chain:**

* bfBTC: 0x623F2774d9f27B59bc6b954544487532CE79d9DF

**Bitlayer:**

* bfBTC: 0xcdfb58c8c859cb3f62ebe9cf2767f9e036c7fb15

**Hemi:**

* bfBTC: 0x623F2774d9f27B59bc6b954544487532CE79d9DF

**ETH:**

* bfBTC: 0xCdFb58c8C859Cb3F62ebe9Cf2767F9e036C7fb15

**BASE:**

* bfBTC: 0x623F2774d9f27B59bc6b954544487532CE79d9DF

**CORE:**

* bfBTC: 0xCdFb58c8C859Cb3F62ebe9Cf2767F9e036C7fb15

**GOAT:**

* bfBTC：0x623F2774d9f27B59bc6b954544487532CE79d9DF

**TAC:**

* bfBTC：0x623F2774d9f27B59bc6b954544487532CE79d9DF

## **Contract Addresses (Testnet):**

> **Warning:** Assets on testnets have no real value.

**Ethereum Sepolia**

* bfBTC: 0xbcfB9D5f0b057cA5867970AdbB244917555466a9 (Proxy)
* WBTC Test Token: 0x05710e96a48AF222b564e6A222fF2f3d56725c32

**Bitlayer Testnet**

* bfBTC: 0x79636076e249dbFAF724D2974Abc610c69d83E39 (Proxy)

**BASE Sepolia**

* bfBTC: 0xbcfB9D5f0b057cA5867970AdbB244917555466a9

**CORE Testnet2**

* bfBTC: 0xF10E0C63bD079B1d9d58f46b33fF927b1c42E2B5

**GOAT Testnet**

* bfBTC: 0xaA7F55523972a7d32A9A7638bA8d8834e287097a

### Testnet deployments limitations

**Network Constraints:**

* Transactions may fail or experience delays due to testnet node performance.
* Data anomalies may occur due to chain reorganizations.
* Account information retrieval might be temporarily unavailable.

**Protocol Updates:**

* Multiple contract upgrades are expected during testing.
* Deployed contract addresses may change without notice.

**Testnet deployment goals:**

* End-to-end cross-chain functionality testing.
* Protocol stability and security validation.
* Community feedback collection.

For the latest updates and contract addresses, refer to BitFi's developer community and social media channels.