# For iOS and Android apps,manual that the publisher of Bulockcerts should read

**URL:** <https://community.blockcerts.org/t/for-ios-and-android-apps-manual-that-the-publisher-of-bulockcerts-should-read/2302>\
**Category:** Support\
**Created:** [January 31, 2020, 7:17am UTC](https://community.blockcerts.org/t/for-ios-and-android-apps-manual-that-the-publisher-of-bulockcerts-should-read/2302 "2020-01-31T07:17:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![yahigel](https://avatars.discourse-cdn.com/v4/letter/y/d07c76/32.png) [@yahigel](https://community.blockcerts.org/u/yahigel)\
**Post date:** [January 31, 2020, 7:17am UTC](https://community.blockcerts.org/t/for-ios-and-android-apps-manual-that-the-publisher-of-bulockcerts-should-read/2302/1 "2020-01-31T07:17:48Z")

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For iOS and Android apps, is there a manual that the publisher of Bulockcerts should read?  
Specifically, I want to be a publisher and know what information to send to the recipient and how to get the app’s public key.

Thank you.