# Union build Potential Airdrop Guide🪂

By [MyLord](https://paragraph.com/@mylord) · 2024-07-01

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**What does Union do?**

Union’s ZK bridge architecture includes two key components that enable the project to facilitate Cosmos’ communication protocol, known as IBC, on Ethereum; CometBLS, the consensus mechanism, and Galois, the zero-knowledge prover system.

**Testnet : Union Public**

Visit:

[https://app.union.build/](https://app.union.build/)

Connect Both Kelpr and Metamask wallet

Click on Faucet on the top right

Claim testnet Tokens by clicking on "Submit"

Visit:

[https://app.union.build/transfer](https://app.union.build/transfer)

Transfer [$UNO](https://x.com/search?q=%24UNO&src=cashtag_click) from Union to Sepolia Transfer [$UNO](https://x.com/search?q=%24UNO&src=cashtag_click) from Sepolia to Union

![](https://storage.googleapis.com/papyrus_images/bdf4fb847a5d8bb8e71eeb8dcfb01a094498f22147d93bb5b113522f2390b0d3.png)

**Galxe Quest: Union Testnet**

Visit:

[https://app.galxe.com/quest/X6NrnVCcPsr4evJ7eSmJ69/GCFartgfbi](https://app.galxe.com/quest/X6NrnVCcPsr4evJ7eSmJ69/GCFartgfbi)

Complete simple Social tasks Claim Gasless OAT

![](https://storage.googleapis.com/papyrus_images/221b39d621f70d7487cfc2d95ebb45ff25c1bd70094bd5253dc9c097199f898a.png)

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*Originally published on [MyLord](https://paragraph.com/@mylord/union-build-potential-airdrop-guide)*