Blockchain Fundamentals

Smart contracts are self-executing programs on blockchain networks that enable trustless automation in Web3. Learn how they work and real-world use cases.

Learn what data availability means in blockchain systems, why it’s critical for scalability and security, and how modern blockchains are solving the problem.

Learn the difference between blockchain and traditional databases. Discover how decentralization, immutability, and trustless architecture set blockchain apart.

Learn the key differences between public and private blockchains. Compare access, security, speed, and use cases to choose the right model for your business.

Discover how blockchain works today, what the execution layer does, and how Altius Labs uses modular architectures to drive real-world adoption in 2025.