The Xanderian Institute is giving out the blockchain course for free.
Learn how to create your own cryptocurrency with little or no coding required.

It's a complete course.
You'll receive a certification at the end of it.
https://www.xandereum.com/account/courseregistration

Courses under blockchain
BLC 1.1
History of Cryptocurrency

BLC 1.2
Cryprocurrency II

BLC 1.3
Cryprocurrency III

BLC 1.4
Cryptocurrency trading I

BLC 1.5
Token Creation

BLC 2.1
Cryptocurrency trading II

BLC 2.2
Cryptography

BLC 2.3
Blocks and Transactions

BLC 2.4
Miners and mining

BLC 2.5
Project