In the era of information technology, technology advancements have changed human lives by a lot. However, document delivery and huge data transfer, especially commercial and important ones, are still following years old methods, physical mailing. Physical mailing takes a lot of time and spends a lot of resources. Current digital delivery solutions are mostly centralized, privacy cannot be guaranteed.<br /> <br /> Authpaper Delivery combines blockchain, BT, cryptography and other current technologies to build a peer-to-peer digital data delivery platform. All data delivered is confidential except the specified recipients. Operations on the data are properly done and recorded among the peers so that the delivery histories are public verifiable yet unforgeable. Peers are rewarded by delivering the encrypted pieces of digital data and helping to run the platform with good will.