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Zama Public Auction — How to Participate with Bron

Learn how the Zama public auction works and how to participate using confidential stablecoins via Bron.

Updated today

⚠️The Zama auction is not available to users who are residents of the United Kingdom.⚠️

Zama is hosting a public auction for its $ZAMA token, where 10% of the total token supply will be sold through a transparent, on-chain auction mechanism.

Tokens purchased in the auction will be fully unlocked and immediately usable in the Zama Protocol, including:

  • Paying encryption and decryption fees

  • Staking as an operator

  • Delegating to existing operators to help secure the network

You can find more detailed information about the auction here: https://www.zama.org/post/announcing-the-zama-public-auction

The auction itself will be available directly on Zama’s official website: https://www.zama.org/

Auction Timeline

  • Registration opens: January 9

  • Community sale: January 15–20

  • Public auction: January 21–24

  • Claiming: From February 2

Who Can Participate

To participate in the Zama auction, you need:

  • The Bron Wallet or any other EVM-compatible wallet.

  • Confidential stablecoins on Ethereum (cUSDC or cUSDT)

These confidential assets are created by shielding regular USDC or USDT.

How the Zama Auction Works

The Zama auction uses a uniform clearing price mechanism:

  1. Participants submit bids with a price and quantity.

  2. After bidding closes, bids are ordered from highest price to lowest price.

  3. Tokens are allocated until the total supply for sale is filled.

  4. The clearing price is the lowest price at which tokens are still allocated.

  5. All successful bidders pay the same clearing price.

  6. Any excess funds above the clearing price are refunded.

This ensures a fair price discovery process and equal treatment of all participants.

Clearing Price and Allocation

After the auction closes:

  • The smart contract processes bids from highest to lowest price.

  • Bids above the clearing price receive full or partial allocation.

  • Bids below the clearing price receive no allocation and are fully refunded.

Once the clearing price is finalized, participants can prepare to claim their tokens.

How to Claim Tokens

When: February 2nd

  • Allocated $ZAMA tokens become claimable

  • Tokens are fully unlocked and usable immediately

  • Refunds (if applicable) are processed automatically

How to Participate Using Bron

You can place your bid using the Bron wallet or any other supported wallet. Bids placed through partner wallets are treated exactly the same as bids placed directly in the Zama app.

Step 1 — Connect Your Wallet

  1. Open the Zama auction app

  2. Click Connect Wallet

3. Select Bron Wallet from the list

4. Approve the connection in your wallet

Step 2 — Shield USDC or USDT in Bron

The auction requires confidential stablecoins (cUSDC or cUSDT) on Ethereum.

You can shield tokens directly in Bron:

  1. Open Bron Wallet

  2. Navigate to your USDC or USDT on Ethereum

  3. Tap Shield

4. Enter the amount you want to shield

5. Confirm the transaction and pay the network fee

Once completed, your balance will appear as Confidential USDC (cUSDC) or Confidential USDT (cUSDT).

When shielding tokens, make sure to sign twice: once to approve the transaction, and once to approve the shielding.

Step 3 — Place a Bid

  1. Return to the Zama auction app

  2. Make sure your wallet is connected

  3. Enter your bid price and quantity

  4. Confirm the bid using your confidential stablecoin balance

You can place multiple bids at different prices if desired.

If you have questions, contact our support team via messenger on the BRON platform or by email at support@bron.org.

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