Blockchain Concepts

• Web3
• EVM
  • Layer 2 solutions:
• Non-EVM chains
• Types of Blockchain Consensus:
• Wallets
• Resources:

Web3

• Oracles
• Liquidity
• Types of protocols

EVM

-Ethereum virtual machine documentation and EVM compatible chains

Layer 2 solutions:

Non-EVM chains

• Polkadot
• Elrond
• Algorand
• NEAR
• Solana
• TRON
• Osmosis
• Waves
• Cardano
• Ziliqua

Read more

Types of Blockchain Consensus:

• PoW
• PoS
• DPoS
• PoA

Resources

Wallets

• Custodial/Non-Custodial wallets

Who holds the private key? In the custodial wallets a third party manages the private key, in the non-custodial ones is the user who holds the keys. Usually the centraliced exchanges are the ones who provide custodial wallets and you can get the non-custodial ones using Metamask or Trust Wallet for example.

• Hot/Cold wallet: The biggest difference between these wallets is if they are connected to the internet (hot wallet) or not (cold wallet)

Resources:

• Ethereum glossary
• Gemini Cryptopedia