If you hold a certain amout of bitcoin in the wallet, you don't have to do captcha to roll.

🚨 no keys no coins 🚨

Find the blue "this is probably fair" text toward the top of the homepage.

You should see "requirements to unlock bonuses"

Click it.

Then click "play free btc without captcha"

Holding or building up to the required amount in your wallet is most reliable, although it does fluctuate.