We've started with private funding to make sure we have proof of concept and MVP, now we are having small funding round and the first round of the lockdrop to raise awareness and support for the project.
You can find more info on the funding scheme in our FAQ on the website: https://gold.io/faq
And as for the airdrop, you can check out this article: https://medium.com/gold-io/the-first-gold-io-hybrid-airdrop-in-details-44bb26f711d