1.Proof of registration post link: https://bitcointalk.org/index.php?topic=5059642.msg47651833#msg47651833
2.Telegram username: @dimazur

WEEK 4 (18.11 - 24.11)
Facebook like/share links:
1. https://www.facebook.com/vvsilantyev/posts/1369748033155808?
2. https://www.facebook.com/vvsilantyev/posts/1370714356392509?
3. https://www.facebook.com/vvsilantyev/posts/1371400272990584?
4. https://www.facebook.com/vvsilantyev/posts/1372110332919578?
5. https://www.facebook.com/photo.php?fbid=1372692989527979&set=a.1113944695402811&type=3

Linkedin like/share links:
1. https://www.linkedin.com/feed/update/urn:li:activity:6469901528340656128
2. https://www.linkedin.com/feed/update/urn:li:activity:6470339745871331328
3. https://www.linkedin.com/feed/update/urn:li:activity:6470704606602096640