This is my walkthrough of the coin lifecycle and testing tutorials, so I don't follow the exact steps. Hopefully, together with the official tutorials, it should help us learn better.

• Writing (An Unsecure) Piggybank Coin
• Contribute and Cash Out A Piggybank Coin
• Driver Code
• Securing Piggybank Coin | ANNOUNCEMENT
• Securing Piggybank Coin | ASSERT_MY_*
• Aggregated Signature | AIG_SIG_*
• Securing Piggybank Coin | AGG_SIG_ME
• Securing Piggybank Coin | ANNOUNCEMENT & coin id
• Aggregated Signature & Key
• The Standard Transaction
• TBA