
This module provides a foundational overview of the Stellar blockchain, an open-source, decentralized network designed to facilitate fast, low-cost cross-border payments and asset transfers. Learners will explore Stellar's core purpose of connecting financial institutions, payment systems, and individuals to enable seamless value exchange across the globe.

Learn the fundamental concepts of blockchain technology from scratch.

Discover BlockHub — your gateway to Web3 learning, networking, and opportunities. Learn how to navigate the platform, build your profile, and connect with the blockchain community.

Explore what's coming next for BlockHub — from new learning content to platform features that will enhance your Web3 journey.

Master the core concepts of blockchain technology: blocks, hashing, consensus mechanisms, and why immutability makes blockchains trustworthy.

Explore Coinbase's rebrand of Coinbase Wallet into a super app — combining social, trading, payments, and app discovery in one experience.

Understand Ethereum's architecture — accounts, gas mechanics, transaction lifecycle, and why the EVM became the dominant smart contract standard.

Learn how account abstraction removes seed phrases and gas friction through passkey-based onboarding, sponsored transactions, and smart contract wallets.

Explore Coinbase's L2 built on the OP Stack — how it differs from other rollups and its mission to onboard the next billion users to on-chain.

Master Solana's unique architecture — Proof of History, the Sealevel runtime, high throughput design, and the SPL token standard.

Discover Move — a resource-oriented programming language with linear types, enabling safer smart contracts through compile-time guarantees.

Compare Solidity (EVM), Rust (Solana), and Move (Aptos/Sui) — understanding when to use each and their fundamental trade-offs.

Understand the building blocks of decentralized finance — AMMs, lending protocols, stablecoins, and yield strategies.