#proof of participation
Campaigns: Signature, linkedin, Facebook, Steemit, Instagram
Bitcointalk username: Piston_82
Neo address: ANRhNEYSa74hmfKGKAzaxLMnWX5pHxNo6U
LinkedIn profile: https://www.linkedin.com/in/piston-piston-269091156
Facebook profile: https://www.facebook.com/oskoma
Steemit profile: https://steemit.com/@piston82
Instagram profile: https://www.instagram.com/piston_