Proof of registration post link: https://bitcointalk.org/index.php?topic=4491261.msg40521915#msg40521915
WEEK 15 (24.09 - 30.09)
Twitter Retweet links:
1. https://twitter.com/alasaarela/status/1011009166662688768
2. https://twitter.com/alasaarela/status/1007657713868959746
3. https://twitter.com/inbot_int/status/1004090669122670592
4. https://twitter.com/inbot_int/status/1003668460805730305