Blockchain Fundamentals

Understand the difference between Proof of Work (PoW) and Proof of Stake (PoS). Learn how blockchain consensus mechanism works, their pros, cons, and impact.

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

Compare monolithic and modular blockchains; understand key differences; explore how each architecture shapes blockchain scalability and mainstream adoption.

Learn how to deploy a smart contract using Solidity and Remix IDE. This step-by-step guide helps beginners launch their first blockchain contract on Ethereum.

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 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.