Cardano Fundamentals
This is the conceptual bedrock for building on Cardano. It explains what a blockchain actually is, the cryptography that secures it, how Cardano reaches agreement through Ouroboros, and how the platform differs from account-based chains like Ethereum. You don't need all of it before you start building, but if you are new to Cardano (or new to blockchains), it pays for itself quickly.
For the broader introduction to what Cardano is and why you would build here (the origin story, the research foundation, what you can ship), see the Get Started overview. This module is the technical grounding underneath it.
Recommended reading order
- What Is a Blockchain?: distributed ledgers, blocks, immutability, and the trust problem
- Cryptographic Primitives: hashing, Merkle trees, and digital signatures
- Consensus & Ouroboros: how the network agrees on one chain, via Proof of Stake
- Cardano for Ethereum Developers: the mental-model shift if you are coming from the EVM
What is a blockchain?
The fundamental architecture of blockchain technology, from distributed ledgers to the trust problem blockchains solve.
Cardano architecture
The four layers that make up Cardano (ledger, consensus, networking, scripting), the reference node that implements them, and the eras the chain has moved through.
Cryptographic primitives
The mathematical building blocks of blockchain security, from hash functions and Merkle trees to digital signatures.
Consensus & Ouroboros
How distributed networks agree on a single truth, from Proof of Work to Cardano's Ouroboros Proof of Stake protocol.
Core Concepts
5 items
For Ethereum developers
A complete guide to Cardano development for developers coming from Ethereum.
Where this leads
Once these foundations click, Core Concepts shows how Cardano actually represents and moves value with the Extended UTXO model, addresses, transactions, and fees. Everything you build sits on top of these fundamentals.