The Sandbox Knowledge Base (English)
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FAQ

Every answer to the questions you may have on the Sandbox bridge.

Why is The Sandbox deploying on Polygon ?

The Sandbox is deploying on Polygon so that our users can benefit from the lower gas fees, faster and greener transactions among

How to set up my wallet for Polygon ?

You can read more about this here: https://bit.ly/AddPolygontoWallet

Should I bridge my SAND ?

You will need mSAND for transactions on the Polygon network. For instance our upcoming LAND sales will be purchasable only with mSAND and our two staking programs are on Polygon. As we advance on our roadmap, we will deploy more elements of our ecosystem on Polygon (ASSETs, EXPERIENCEs…) until our migration is complete.

Should I bridge my LAND ?

Bridging your LAND will allow you to benefit from a, one time, cashback of 10 SAND for each LAND bridged to the Polygon smart contract ( 0x9d305a42A3975Ee4c1C57555BeD5919889DCE63F). You will also have the opportunity to use your bridged LANDs as multipliers in our staking programs. Also note that all upcoming new features for LAND will be developed and deployed on layer 2.

How to bridge my tokens ?

Follow the step by step tutorial that can be found here: link to Gitbook

My tokens left Ethereum and are not on Polygon yet

There can be a few reasons why your tokens haven’t reached Polygon yet.
Do note that a transaction can take a few minutes to a few hours.

My tokens left Polygon and are not on Ethereum yet

Your tokens may be at the checkpoint. If so, you will need to sign a second transaction for the tokens to finish migrating to Polygon. Check the transaction history to see if you need to trigger a new transaction for the tokens to reach the Ethereum blockchain.
Refer to the access pending transactions page for more details.
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Is my LAND eligible for a cashback ?

You can migrate your LAND to and from Polygon at any time but it will only be eligible for cashback the first time you initiate the bridge from Ethereum to Polygon. You can

How do I claim the cashback ?

Head over to the bridge page: https://sandbox.game/en/me/bridge and scroll to the bottom.
  • Click on the “Claim your Cashback” button
  • Sign the transaction on your wallet.
  • You can verify that the transaction is successful by clicking on the “transaction history”
  • Your cashback is successfully sent to your wallet on the Polygon network.
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