Developer Hub

This page provides technical resources for developers and integrators working with the Vara ↔ Ethereum Bridge.
It includes the addresses of deployed smart contracts and on-chain programs on both Ethereum (Holesky testnet) and Vara Testnet.

Use this section to:

• Explore and verify bridge-related contracts
• Begin building integrations with the bridge (e.g. relayers, token managers, custom assets)

warning

⚠️ All listed addresses belong to testnet deployments.

Contract Addresses

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Ethereum (Holesky)

Core

• Verifier: 0x6d1467edAa3809D96fa639b1581162f21820c30a

• Relayer: 0xb622cbADBE3070F3cd3b4A5a351c2EED5A62C7fb

• MessageQueue: 0x4D374920E48880b7b5D2B771145a07531b76336d

• Bridging Payment: 0x6CC5C08b5703386ab0107267F23871f004f68789

Token Contracts

• USDC: 0x52df6E1615B41CC791D6fBE77BAA431Bd495c941

• USDT: 0x5695957C7c102E701D7b766578b916c7957166d6

• Tokenized ETH: 0x4dD9924e37AE4932C7d88eDfa4aDd147104CEdF9

• wTVARA: 0x15F103a98Aed9bF8EB3E0c7FAF4a043b5bD95279

Proxy Contracts

• Relayer Proxy: 0x602Da93eee9C30Ed2d8c72032B8845cd76d917d2

• MessageQueue Proxy: 0x60430248f49376860e2047aCdaFF71D3Eb6ce41c

• Relayer Proxy Updater: 0x71e76a6cD168643B65B2F576FC8D79B092D403b0

• MessageQueue Proxy Updater: 0x061C8CAe07eB26878236D454F615fC702f49e132

ERC20 Manager

• ERC20Manager: 0xa477fd0E9BE41cBe2ec1b11E17e4DC602094a25b

• ERC20Manager Proxy: 0x1Ed45976fD534968ed09268dcD02dDFb5EA38125

• ERC20Manager Proxy Updater: 0x265f56a9Ed18017Cf2d4F96DcDFbCeD3D2521847

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Vara (Testnet)

Core Components

• checkpoint-light-client: 0x90ac9f973e04e1571acc15f370a9ec9882b0478ac773d4adb58ca17052fed04e
git commit: 0a1842ab43bec83b7ec8737db3344b3a06ad7dcc

• eth-events-electra: 0xaaa0cb91a88b20c8ada32f9778d03d3387a89e37494fbf7d8fa2240bcee820da
git commit: 08a8f3fd8d459f2d920f44c33b85e3510717befb

• historical-proxy: 0xeac12a4083eafbcc45086b81dd413bbba22176fc76009faefafd5691ee3cb8ae
git commit: d9326bb67093f537bab2a14326af048e7f112542

• vft-manager: 0x9c9caaa9fd33d81ed34328282b22d6b998849c778f6b78a91b4c0397580a0fcf
git commit: d9326bb67093f537bab2a14326af048e7f112542

Token Contracts

• wUSDC: 0xb78e078fa0947e4e3a21f0edf7104f7208119d547cc91dc28dbc0d80cc072c0c

• wUSDT: 0x2156679a6147013e5217fa3b8210d0ce4986c54aaffcfa70c4a171c7a8b6afd9

• wETH: 0xaa6bc2ad1b660f6e7aaf3cb3418e6f66fe8c78f55400051b1d8bef0483976a42

• Tokenized Vara: 0xfb187ecd0b509ccb644cb61d641d4c2d55519fcc603894897398f499bbc0cf4a

• Bridging Payment: 0xb8cf6d17b648812f00cd04081bc7abc43d7869df4bab5908232600cf9936597a

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