Gro offers a Bug Bounty program with Immunefi. The maximum payout has been raised from $60,000 to $1,000,000 and more information on this is available below.
Gro Bug Bounties | Immunefi
Reminder about Risk
DeFi is still a very new space, and while that's exciting, it comes with risk. Gro Protocol's software helps you access this world, but make sure you do your own research and only supply assets you can afford to lose.