Data Economy Protocol Ocean Protocol announces the launch of Ocean V4 public testing. The key Ocean V4 features: (1) one-sided staking to solve rug pulls, (2) ERC721 data NFTs for more flexibility in data IP management, and (3) community monetization to help the community create sustainable businesses. At the same time, Ocean Protocol has also launched a bug bounty program that rewards up to $100,000 for finding serious bugs.