Crypto Donations


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Help C4 educate people around the world about bitcoin, ethereum, and open blockchain technologies. Your donation will go towards the creation and curation of course content, exams, and standards.


C4 Guide

About C4

We are a non-profit organization that establishes cryptocurrency standards that help ensure a balance of openness & privacy, security & usability, and trust & decentralization. We offer certifications to professionals who perform cryptocurrency related services. Recipients of each respective certificate have demonstrated comprehensive knowledge in various disciplines ranging from basic cryptography to low-level cryptocurrency development.

CCSS Level 1 Training Course now available!