Each workshop description lists any prerequisite knowledge. If none is listed, the workshop suits any level. If you are new to bitcoin and open blockchains, start with the free Introduction to Bitcoin and Open Blockchains workshop.
To earn your certificate, first complete the workshop. Make sure you have marked each lesson complete and completed all quizzes. On the left sidebar you should see a checkbox next to any lesson that is complete, incomplete lessons will be missing the checkbox. Mark all lessons as complete by scrolling down to the bottom of the page. After all lessons and quizzes are complete, visit the workshop’s main page to download your certificate of completion. Hint: the completion line should be solid green and you should see “completed” if you’ve completed all of the videos and quizzes.
Workshop purchases do not expire. Send us a message through the contact page with the email address you used for your purchase, and we will restore your access.
No. Andreas retired in 2025 for health reasons and is not giving interviews or talks, or attending events.
Yes. His Mastering books and his talks and videos are released under the Creative Commons Attribution-ShareAlike license (CC BY-SA), which lets anyone share and adapt them with attribution.
No, never. Anyone offering trading seminars or signals in his name is a scammer. Learn more.
First, check your spam folder. If you paid with cryptocurrency, the download email is sent once the transaction is confirmed, so make sure the transaction fee was high enough. If your payment is confirmed and you still have no email, send us a message through the contact page with your order number.
Workshops have a 14-day money-back guarantee. Downloadable ebooks are not refundable except in exceptional circumstances. To ask about a refund, use the contact page.