<ul data-eligibleForWebStory="false">Cardano's ADA price declined by 16% in June despite positive ecosystem developments.On-chain activity for Cardano decreased significantly, indicating declining retail engagement.Grayscale's proposal for a Cardano ETF is seen as potentially boosting investor sentiment.Cardano is currently trading at $0.5590 with support at $0.5235 and resistance at $0.5989 to $0.6533.