Include Blockchain resources

Author: arefathi

Blockchain/BLOCKCHAIN.md

@@ -56,6 +56,8 @@ Blockchain is a system in which a record of transactions made in bitcoin or anot
 
 - [An Architecture for the Internet of Money](https://docs.google.com/document/d/1Bc-kZXROTeMzG6AvH7rrTrUy24UwHoEcgiL7ALHMO0A/pub) - Meher Roy
 
+- [Endgame](https://vitalik.ca/general/2021/12/06/endgame.html) - Vitalik Buterin
+
 ### Blockchain Core Concept
 
 - [Blockchain Architecture](https://www.mdpi.com/2073-8994/11/10/1198/htm)
@@ -64,6 +66,8 @@ Blockchain is a system in which a record of transactions made in bitcoin or anot
 
 - [Blockchain Explained](https://www.marcopolonetwork.com/resources/essential-blockchain-technology-concepts/)
 
+- [Blockchain Trillema](https://medium.com/certik/the-blockchain-trilemma-decentralized-scalable-and-secure-e9d8c41a87b3)
+
 ### Books
 
 - [Mastering Blockchain By Imran Bashir](https://www.packtpub.com/product/mastering-blockchain-third-edition/9781839213199)
@@ -122,6 +126,8 @@ Solidity is the most popular language on Ethereum, inspired by C++, Python, and
 
 - [Solidity Learn Latest Version](https://www.youtube.com/watch?v=NqGe942J4Y0)
 
+- [Solidity Course](https://metaschool.so/course/10-days-of-solidity)
+
 ### Ethereum
 
 Ethereum is an open-source, blockchain-based, decentralized software platform used for its own cryptocurrency, ether. It enables SmartContracts and Distributed Applications (DApps) to be built and run without any downtime, fraud, control, or interference from a third party.
@@ -142,6 +148,12 @@ Ethereum is an open-source, blockchain-based, decentralized software platform us
 
 - [Blockchain for python developer] (https://youtu.be/M576WGiDBdQ?t=2)
 
+- [Bankless Academy](https://app.banklessacademy.com/)
+
+- [BlockTrain](https://www.blocktrain.info/course)
+
+- [EtherWorld](https://etherworld.co/tag/ethereum/)
+
 ## Ethereum Set-up
 
 **Requisites for Ethereum setup**