Which blockchain technology do you believe will survive and become the defacto industry standard.

Which blockchain technology do you believe will survive and become the defacto industry standard, not as a crypto-currency but as a security-based technology. Why?
No Plagiarism or copying directly from articles!!
subject – New Technology Business leaders (Blockchain)
Reference – Online documents, books, articles, and own thoughts (if you referring to answers from articles please provide References as well).