ABRA was created in 2014 in Silicon Valley, the epicentre of the app industry. It is a cryptocurrency trading platform that allows you to buy, sell, and exchange cryptocurrency.
The course website is only a 10-day course designed to teach you about current currencies, block chains, and how to create wallets and block chains. You will have access to all of the classes once you sign in, and you may access them at any time.
It is the most practical learning centre in my opinion since you can practise and review what you have learned on the internet. You will learn how to trade, purchase, and sell. This course is especially suggested for developers and newcomers to the decentralised finance sector.