Week 2 (21-27 Jan)
signature campaign
1. https://bitcointalk.org/index.php?topic=5097440.msg49396572#msg49396572
2. https://bitcointalk.org/index.php?topic=5097446.msg49396633#msg49396633
3. https://bitcointalk.org/index.php?topic=5097440.msg49444868#msg49444868
4. https://bitcointalk.org/index.php?topic=5100221.msg49396593#msg49396593