Stampery is the leading startup in blockchain real time data integrity and accountability. Our mission is to certify the world's data and make it globally reliable. Based in San Francisco and Madrid and backed by Draper and Associates, Stampery leverages the blockchain technology to provide immutable data certification and authentication. Stampery created Blockchain Timestamping Architecture (BTA) to take on the challenges of today's integrity of data in the digital world. Built on permissionless blockchains, BTA certifies any data across a system, allowing independent verification of time and integrity for any moment in time.