What's going on with MasterCard's Crypto Card programme?

With recent advancements in cryptocurrency and the evolving payments landscape, the MasterCard Crypto Card programme has been garnering significant attention. However, there have been some mixed signals regarding its progress and future plans. Could you elaborate on the current status of the programme? Are there any updates on its rollout timeline? Are there any partnerships or collaborations that have been announced? Additionally, what are the key challenges and opportunities that MasterCard faces in integrating cryptocurrency into its payment solutions? Understanding the intricacies of this programme would provide valuable insights into the future of digital payments and cryptocurrency adoption.