Lots of VRF upgrades since our public demo at HH Austin. Here's a summary: - refactored SDK, easier randomness requests - anchor compatible - optimized account creation fees, affordable VRF - fast multi-node, unbiased randomness based on byzantine quorum - cookbook guide is ready and pending to be merged by the Solana team A more detailed write-up is available here - it provides more details on the ecosystem and our VRF roadmap.