
- Airdrop Link: Join Testnet Now
- Total value: n/a
- Platform:
What is Union?
Union is a zero-knowledge (ZK) infrastructure layer designed to enhance interoperability across blockchain ecosystems. The project aims to solve one of the most critical challenges in the blockchain industry: connecting different networks that operate in isolation. Union enables seamless general message passing, asset transfers, NFT bridging, and DeFi interoperability between various blockchains and rollups without relying on third-party intermediaries.
At its core, Union addresses blockchain fragmentation by providing subsecond messaging protocol and chain abstraction capabilities. This infrastructure allows developers and users to experience a more unified blockchain ecosystem, where assets and data can move efficiently between networks. By leveraging zero-knowledge technology, Union offers a privacy-preserving, scalable solution that significantly improves cross-chain interactions while maintaining security and efficiency.
Union Airdrop Details
Currently, Union has not officially confirmed an airdrop, but community speculation suggests that participants in Testnet 9 (described as the final testing phase before mainnet launch) may be eligible for a future token distribution. Union Labs, the entity behind the project, has raised $16 million in funding, including a $12 million Series A round led by Gumi Cryptos Capital and LongHash Ventures announced in December 2024.
Union’s U Drop claims are now officially live with a deadline of September 18th. If you pre-registered for the airdrop, you can now claim your allocation by following these steps.
Latest Update: Union U Drop Claims Now Live
Important Deadline
Claims must be completed by September 18th. After this date, you will no longer be able to claim your tokens.
Eligibility Requirements
- You must have pre-registered for the U Drop
- You need the same EVM wallet used during pre-registration
- Ensure your wallet has sufficient ETH for gas fees
How to Claim Your U Tokens
- Access the Claim Portal
- Visit the claim portal and select “U Claim”
- Log into your Union Dashboard via X, GitHub, or Discord
- Verify Eligibility
- If eligible, you’ll see the “Continue to Claim” option
- Connect the same EVM wallet used for pre-registration
- Review and Proceed
- Review all claim details carefully
- Click “Proceed to Claim” when ready
- Add Token Contract
- Click “Add U” to add the token contract to your wallet
- This ensures you can view your tokens after claiming
- Manual Token Addition (if needed)
- If you skipped step 4, manually add the token using these details:
- Contract Address: 0xba5eD44733953d79717F6269357C77718C8Ba5ed
- Symbol: U
- Decimals: 18
- Complete the Claim
- Click “Claim” and approve the transaction in your wallet
- Wait for transaction confirmation to complete the process
Make sure to complete your claim before the September 18th deadline to secure your U token allocation.
Latest Update: Union Pre-Claim Airdrop Registration Launch (Expired)
Registration Timeline
- Launch Date: Friday, 29 August, 2025 at 17:00 UTC
- Process: Pre-claim registration with Proof of Humanity verification
- Benefits: Opportunity to pre-stake allocation for bonus milestones
Token Allocation Details
- Genesis Incentive Program: 4% of total Union token supply
- Mad Yaps Campaign: 1% of total Union token supply from Ecosystem fund
- Target: Union Kaito yappers specifically rewarded
Step-by-Step Registration Process
- Visit the Union pre-registration page
- Sign in using Twitter/X, GitHub, or Discord account
- Connect your EVM wallet, Twitter/X account, and Cosmos wallet
- System will check your profile and assemble provisional allocation
- Complete Proof of Humanity verification through partner Authena
Eligibility Criteria
Meeting these criteria does not guarantee allocation due to level thresholds, sybil filtering, and compliance checks:
Program Categories:
- Testnet users
- Trusted Setup Ceremony participants
- Mad Yaps Season 0 and Season 1 yappers
- Wandering Whale Sharks NFT holders
- Community moderators, stars, and heroes
- Ecosystem project contributors and partners
- Validators and infrastructure partners
- BTCfi Points Program participants (distributed later)
Determination Method:
- Onchain and Dashboard activity since October 2023
- Mad Yaps mindshare for Season 0 (October 2023 – July 2025) and Season 1 (July – August 2025)
- Partner wallet addresses matched via allowlists and signed proofs
- Additional hygiene filters may adjust or remove eligibility
Union Network Testnet V2 Goes Live
How to Access Testnet V2
- Visit the official application
- Use the provided faucet to obtain test tokens
- Submit transfers to test the network functionality
- Track your progress using the History and Explorer features
Key Information
- This version represents the persistent testnet that will continue operating after the public mainnet launch
- The environment has been upgraded from previous iterations (formerly known as “Testnet 9”)
- Transfers to and from the Union chain have been temporarily disabled to facilitate testing with other networks
- Faucets for connected networks are accessible through the dedicated faucet page
Latest Update: Union Tokenomics Released
Union has officially released their tokenomics structure with a genesis supply of 10,000,000,000 tokens.
Genesis Supply: 10,000,000,000 U tokens
Community Incentives (12% – 1,200,000,000 U)
The Community Incentives allocation is designed to reward community contributions and participation:
- Genesis Drop and Testnet: 4% (400,000,000 U)
- Future Incentives: 8% (800,000,000 U)
Important Note: All Community Incentives tokens are fully unlocked when distributed, meaning there are no vesting periods or lock-up restrictions for community rewards.
How to Participate in Union Testnet 9 (Expired)
- Visit the Union testnet page
- Login with your X account to access the platform
- Connect and authorize your Discord and GitHub accounts for verification
- Complete social tasks by navigating to the “Achievements” section and clicking on “Socials”
- Finish all missions under the “Missions” heading
- Connect your wallets using the icon on the top right-hand side of the page
- Add both EVM and Cosmos wallets by clicking “Add Wallet” under your profile picture
- For EVM: Connect MetaMask, Rabby, or other compatible wallets
- For Cosmos: Connect Keplr wallet
- Ensure the following chains are active in your Keplr wallet:
- Stargaze testnet
- Union testnet 9
- Stride testnet
- Stargaze
- Celestia testnet
- Babylon testnet
- Union testnet 8
- Add Union chain to Keplr wallet:
- Visit https://chains.keplr.app/
- Enter “Union” in the search field
- Click on “Add to Keplr”
- In Keplr, search for Union
- Click “Enable”, then “Union testnet”
- Click “Save”
- Claim testnet tokens from the Union faucet:
- Go to app.union.build/faucet
- Connect your Keplr wallet
- Click verify to receive testnet tokens
- Claim testnet tokens for your EVM wallet from other relevant faucets
- Initiate cross-chain transfers at https://app.union.build/transfer:
- Connect both EVM and Cosmos wallets
- Select Union 9 testnet
- Choose chains to bridge testnet tokens to
- Send UNO to your own address first
- Bridge to all available chains consistently over regular intervals
- Bridge additional testnet tokens:
- STARS tokens: Get from testnet.ping.pub/stargaze/faucet
- Bridge STARS from Stargaze testnet to Union 9 and other testnets, and back to Stargae testnet
- BBN tokens: Get from Babylon’s Discord
- Transfer BBN from Babylon testnet to Union 9 and other testnets, and back to Babylon testnet
Maximizing Your Chances for the Union Airdrop
To potentially increase your eligibility for any future Union token distribution, consider these tips:
- Engage consistently: Perform bridging activities regularly rather than all at once
- Use multiple chains: Bridge assets across all supported testnets
- Complete all achievements: Check for new mission opportunities regularly
- Maintain active wallets: Keep using the wallets you’ve connected to Union
- Bridge in both directions: Transfer assets to and from Union testnet
- Follow Union’s social channels: Stay updated on new opportunities and requirements
FAQs
Is the Union airdrop officially confirmed?
No, Union has not officially confirmed an airdrop. The potential for a token distribution is based on community speculation and similar patterns from other projects that rewarded testnet participants.
When might a Union airdrop occur?
If a token distribution happens, it would likely coincide with or follow the mainnet launch.
What might affect my eligibility for a potential airdrop?
Based on other projects’ patterns, factors that might influence eligibility include:
- Volume and consistency of testnet activity
- Diversity of interactions (using multiple features)
- Duration of participation
- Completion of social tasks and missions
Do I need real crypto assets to participate?
No, participation in Union Testnet uses testnet tokens that have no real value. You can obtain these tokens for free from various faucets mentioned in the guide.
How can I stay updated on Union developments?
Follow Union on X and join their Discord server for the latest announcements. Also regularly check their blog for detailed updates.
Conclusion
While the Union airdrop remains speculative, participating in Testnet and completing the tasks outlined in this guide may position you advantageously for any future token distribution. The project’s focus on blockchain interoperability addresses a critical need in the industry, and its substantial funding suggests a serious long-term vision.
By engaging with Union’s testnet, you’ll not only potentially qualify for any future airdrop but also gain valuable experience with cross-chain technologies that may become increasingly important in the evolving blockchain landscape. Remember to interact regularly with the platform, complete all available missions, and stay updated through Union’s official channels for the best chance at qualifying for any potential token rewards.
For the latest information about Union’s development and testnet activities, read their official blog post about Testnet 9 and follow their announcements on social media.
Estimated Value
n/a
Tokens per Claim
n/a
Max. Participants
Unlimited
