As you may have noticed, 
suilendprotocol
  recently added the ability to deposit wBTC and earn additional DEEP tokens. Over time, they will likely introduce wBTC as collateral as well.

Below is a short and simple guide on how to transfer wBTC from Ethereum to Sui :

step 1 - From any exchange to your wallet on the Ethereum network

step 2 - Swap ETH for wBTC on any convenient DEX platform.
(Don't forget to leave some ETH for gas fees and keep an eye on Gwei to avoid high transaction costs.)

step 3 - Use the official Sui bridge to transfer your wBTC from Ethereum to Sui.

That's it! Now deposit your wBTC on Suilend and start earning additional rewards.