In this era,Authpaper is also trying to give something real to this innovative world, Physical mailing takes a lot of time and spends a lot of resources. Current digital delivery solutions are mostly centralized, privacy cannot be guaranteed. Authpaper Delivery combines blockchain, BT, cryptography and other current technologies to build a peer-to-peer digital data delivery platform. You can also take part in their Airdrop Programme and can earn rewards.
Airdrop needs to follow the instruction here:
1⃣ Register and login our online service here (support Google login only): https://authpaper.com/login.php
2⃣ Fill in the form in the member dashboard with your ERC-20 compatible wallet address. The wallet must hold at least 0.001 ETH.
3⃣ Wait for around one week, we will send 100 free AUPC to that account, and send you a notification email.

For more details please read our article 😉
https://medium.com/@icoauthpapercoin/free-aupc-withdraw-status-and-new-setup-a8c88d840342