Bid. Compete. Win Big.
Outsmart other players in a thrilling countdown. The last bidder standing wins the ETH prize pool and exclusive Cosmic Signature NFTs.
How It Works
Three simple steps to compete for the prize pool
Bid
Place a bid using ETH or CST tokens. Each bid resets the countdown timer and raises the stakes.
Compete
Race against time and other players. The countdown timer adds 1 hour with every new bid.
Win
Be the last bidder when the timer reaches zero to claim the main ETH prize and a Cosmic Signature NFT.
Every Bid Earns You
Multiple ways to win with each bid you place
100 CST Tokens
Earn 100 Cosmic Signature Tokens with every bid you place.
1 Raffle Ticket
Each bid earns a raffle ticket for end-of-round prize drawings.
NFT Chance
Win a unique Cosmic Signature NFT through raffle or as the round winner.
Main Prize
The last bidder wins 25% of the entire round prize pool in ETH.
Lifecycle of a Round
Every round follows this cycle from start to finish
Round Starts
A new round begins with a 24-hour countdown timer.
Players Bid
Each bid adds 1 hour to the timer and increases the next bid price by 1%.
Timer Expires
When the countdown reaches zero, the round ends.
Winner Collects
The last bidder wins 25% of the prize pool and a Cosmic Signature NFT.
Raffles Drawn
4 raffle winners share 6% of the pool. 5 NFT raffle winners + 4 staker winners are drawn.
New Round
The bid price resets to ~100x lower than the winning bid, and it all starts again.
Getting Started
From wallet connection to your first bid in three steps
Connect Your Wallet
- Click the "Connect Wallet" button at the top of the page.
- Use a wallet that supports the Arbitrum blockchain, such as MetaMask.
- Switch your network to Arbitrum when prompted, then approve permissions.
- Your wallet address will appear in the header once connected.
Check the Bid Price
- Review the round countdown timer — it resets and adds time with each bid.
- Check the current bid price in ETH or CST before committing.
- Note the main prize reward amount to see what you could win.
- Ensure your wallet holds the bid price plus a small amount for gas fees.
Place Your Bid
- Choose your bid currency: ETH, CST, or use a Random Walk NFT for a 50% ETH discount.
- Click "Bid Now" and confirm the transaction in your wallet.
- Your bid extends the timer by 1 hour and increases the next bid price by 1%.
- Every bid earns you 100 CST tokens and a raffle ticket automatically.
Pro Tips & Strategy
Expert advice to maximize your chances and rewards
Bid Early, Bid Cheap
Bid prices start low after each round reset — roughly 100x lower than the previous winning bid.
Use Your Random Walk NFT
Holding a Random Walk NFT gives you a one-time 50% discount on your ETH bid price.
Stack Raffle Tickets
Every bid earns a raffle ticket. More bids means better odds in the end-of-round prize drawing.
Use a Burner Wallet
The smart contract is audited, but using a dedicated wallet for bidding adds an extra layer of safety.
Watch the Timer
The timer gains 1 hour per bid. Strategic timing near the end of a round can be the difference between winning and losing.
Pay with CST
Already earned CST from previous bids? Use it as an alternative currency to save your ETH.
Have Questions?
Check our comprehensive FAQ for detailed answers about game mechanics, rewards, tokens, and everything Cosmic Signature.
Ready to Start Bidding?
Join the next round of Cosmic Signature. Connect your wallet and place your first bid to start earning rewards.