UPDATE: August 27, 2024
For those interested, it was announced today that you can now join the waitlist for On-Chain Rewards with Solana. To apply, sign up at https://blocksurvey.io/self-custody-brave-rewards-bat-payouts-via-solana--tA7YPZI6SgebicWYpiP.BA?v=o.
Please note that having a Discord account is a requirement, as it will be used for communication. You will need to provide your Discord username as part of the application form.
Remember, this is just to join a waitlist. There’s no set timeline for when you might get an invitation, but they are working to bring in as many users as possible in the upcoming batches.