Blockchain technology is revolutionizing the world of martial arts. Imagine a digital identity for each practitioner, verified and secured through blockchain. This could lead to a more transparent and trustworthy ranking system, eliminating fake credentials and ensuring fair competition. The possibilities are endless, and we're excited to explore this intersection of crypto and combat.

Mma, taekwondo, judo, karate, wrestling, aikido.

This concept has vast potential to elevate the martial arts community, providing a secure and tamper-proof way to track a practitioner's progress and achievements. It would also help to reduce disputes and promote fair competition.