How does a blockchain Work - Simply Explained https://www.youtube.com/watch?v=SSo_EIwHSd4
Smart Contracts - Simply Explained https://www.youtube.com/watch?v=ZE2HxTmxfrI
Proof-of-stake vs Proof-of-work https://www.youtube.com/watch?v=M3EFi_POhps
Mining Difficulty https://www.youtube.com/watch?v=o1gOyhU6XEw
ERC20 Tokens https://www.youtube.com/watch?v=cqZhNzZoMh8
What's a Hardfork https://www.youtube.com/watch?v=XCo6yyutYAM
Asymmetric Encryption - Simply explained https://www.youtube.com/watch?v=AQDCe585Lnc
Zero-Knowledge Proof https://www.youtube.com/watch?v=OcmvMs4AMbM
What is IPFS https://www.youtube.com/watch?v=5Uj6uR3fp-U
Blockchains: how can they be used? (Use cases for Blockchains) https://www.youtube.com/watch?v=aQWflNQuP_o
Blockchain for Business https://www.youtube.com/playlist?list=PLS5SEs8ZftgVtpltZ8sbFUliXWd36olmQ
IBM Blockchain Essentials (FREE) https://cognitiveclass.ai/courses/blockchain-course
IBM Blockchain Foundation Developer (FREE) https://cognitiveclass.ai/courses/ibm-blockchain-foundation-dev
Certified Blockchain Business Foundations https://blockchaintrainingalliance.com/products/cbbf
Certified Blockchain Solution Architect https://blockchaintrainingalliance.com/products/cbsa
Coindesk - https://www.coindesk.com/ CoinTelegraph - https://cointelegraph.com/ LedgerInsights - https://www.ledgerinsights.com/ All Blockchain Guides - https://blockgeeks.com/guides/ 101 Blockchain - https://101blockchains.com/
Ethereum and Solidity: The Complete Developer's Guide https://www.udemy.com/course/ethereum-and-solidity-the-complete-developers-guide/
Ethereum Blockchain Developer Bootcamp With Solidity (2021) https://www.udemy.com/course/blockchain-developer/
Ethereum https://ethereum.org/en/
Developments regarding Ethereum https://ethereum.foundation/
New Generation Blockchain Protocols https://polkadot.network/ https://cardano.org/ https://solana.com/
Hyperledger - Open-Source Blockchain Platform for Enterprise by IBM / Linux Academy https://www.hyperledger.org/
Promising Enterprise Solution from Hyperledger https://www.hyperledger.org/use/fabric
Enterprise Blockchain Banking Solution https://www.r3.com/