If you dont already have a Binance Smart Chain Wallet you must make one first. I will not cover how to make a Smart Chain Account but there are plenty of guides on how to do that.
How to connect
1.Go to Splinterlands and click on your username and then click on link external wallet.
2.Then go to Binance Smart Chain
- Now open your Binance Smart Chain Wallet and copy your address
- Then paste your address in space and press save
- Now your done