1. Pre-launch (3-6 months before launch)
  2. Alpha testing (1-2 months before launch)
  3. Beta testing (1 month before launch)
  4. Launch (Day 1)
  5. Post-launch (1-3 months after launch)

Note that these timelines and milestones may vary depending on the specific crypto wallet product, target audience, and market conditions. It's essential to regularly review and adjust the launch plan as needed to ensure the success of the product.