To whom it may concern:
I am preparing a book possibly an article dealing with cryptocurrency. 
The topics will include a brief summary and description of the cryptocurrency market place as well as a look at the art work associated with the various logos.
 
Many of the currencies do not have any notes or guidelines for use of their logos.  Hence I am contacting the currencies I am including requesting permission to use their logo images as part of the material.
 
 I am preparing a book possibly an article dealing with cryptocurrency. 
The topics will include a brief summary and description of the cryptocurrency market place as well as a look at the art work associated with the various logos.
 
Many of the currencies do not have any notes or guidelines for use of their logos.  Hence I am contacting the currencies I am including requesting permission to use their logo images as part of the material.
 
If I may use your logo please indicate so in a reply to this email.
 
Regards,
Bob Erlandson
Robert Erlandson, Ph.D.
Member, Circle Publications, LLC
email: robert@circlepublications.net