• Are an on chain declaration that the contract can move your tokens
• They change a state on the Blockchain and as such consume gas
• It needs to be done the first time your wallet interacts with a contract
• Once for each contract with each token type
• If gas cost is not a concern you may wish to approve only the amount you are moving
• Else you can leave the default and in future interact without an approval

<aside> 💡 Sushi do not set or collect gas fees paid for approvals to be mined

</aside>

• Notice the two step indicator
• This swap will require two transactions

<aside> 💡 Sushi do not set or collect gas fees paid for approvals to be mined

</aside>