> ## Documentation Index
> Fetch the complete documentation index at: https://stablelabs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Ecosystem

> Contract addresses for LayerZero and USDT0 deployed on Stable Testnet.

In this document, you can find the information for bridge (LayerZero) and USDT0.

## LayerZero on Stable Testnet

| Name              | Value                                      |
| ----------------- | ------------------------------------------ |
| eid               | 40374                                      |
| chainKey          | stable-testnet                             |
| stage             | testnet                                    |
| endpointV2View    | 0x6Ac7bdc07A0583A362F1497252872AE6c0A5F5B8 |
| endpointV2        | 0x3aCAAf60502791D199a5a5F0B173D78229eBFe32 |
| sendUln302        | 0x9eCf72299027e8AeFee5DC5351D6d92294F46d2b |
| receiveUln302     | 0xB0487596a0B62D1A71D0C33294bd6eB635Fc6B09 |
| blockedMessageLib | 0xa229b65cc2191bf60bc24efcda3487d7b5c0c9f0 |
| executor          | 0x701f3927871EfcEa1235dB722f9E608aE120d243 |
| deadDVN           | 0xC1868e054425D378095A003EcbA3823a5D0135C9 |

## USDT0 on Stable Testnet

| Name        | Value                                      |
| ----------- | ------------------------------------------ |
| wrapper     | 0xB8CE59FC3717ada4C02eaDF9682A9e934F625ebb |
| composer    | 0xe7cd86e13AC4309349F30B3435a9d337750fC82D |
| OFT         | 0x779Ded0c9e1022225f8E0630b35a9b54bE713736 |
| USDT0 impl  | 0x3f9E27457ac494fC729beB50e6af04Ec34e3828E |
| USDT0 proxy | 0x78Cf24370174180738C5B8E352B6D14c83a6c9A9 |

## Sepolia OFT contract and USDT0 contract (for reference)

| Name         | Value                                                                                                                                                                                          |
| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Sepolia OFT  | [https://sepolia.etherscan.io/address/0xc099cd946d5efcc35a99d64e808c1430cef08126](https://sepolia.etherscan.io/address/0xc099cd946d5efcc35a99d64e808c1430cef08126)                             |
| Sepolia USDT | [https://sepolia.etherscan.io/address/0xc4DCC311c028e341fd8602D8eB89c5de94625927#writeContract](https://sepolia.etherscan.io/address/0xc4DCC311c028e341fd8602D8eB89c5de94625927#writeContract) |