Odaily News According to official news, Ola, the ZK programmable privacy and expansion project, announced the launch of the Ola airdrop vault plan Ola Airdrop Vault, aiming to reward and thank active builders in the community, including early contributors, holders, ecological developers and feedback opinion maker. The plan is to conduct airdrops to developers, researchers and advocates of zero-knowledge proof (ZK) technology. In the future, NFT and more tokens will be introduced to expand the scope of rewards.