# Web3

- [What is a Blockchain?](/additional-learning/web3/what-is-a-blockchain.md)
- [The Blockchain Trilemma and the Cost of Scalability](/additional-learning/web3/the-blockchain-trilemma.md)
- [What is a Cryptocurrency](/additional-learning/web3/what-is-a-crypto-currency.md)
- [General Information about SDK](/additional-learning/web3/general-information-about-sdk.md)
- [What is a DAO?](/additional-learning/web3/what-is-a-dao.md)
- [Challenges of Participating in a DAO](/additional-learning/web3/challenges-of-participating-in-a-dao.md)