🔐beginner
Cryptography Essentials
The mathematical toolkit securing every transaction
Go deeper into the cryptographic primitives that protect your funds: symmetric and asymmetric encryption, digital signatures, Merkle trees, and the fundamentals of zero-knowledge proofs.
5 lessons~55 min total
Start moduleLessons
1
Symmetric Encryption
AES and shared-secret encryption: when the same key locks and unlocks.
8m
2Asymmetric Encryption
RSA and elliptic curves: one key to lock, another to unlock.
10m
3Digital Signatures
ECDSA and Schnorr: proving ownership without revealing secrets.
10m
4Merkle Trees
Efficient transaction verification using binary hash trees.
10m
5Zero-Knowledge Proofs
Proving you know something without revealing what you know.
12m
What you'll be able to do
- Distinguish symmetric from asymmetric encryption and their use cases
- Understand how ECDSA digital signatures prove transaction authenticity
- Explain how Merkle trees enable efficient block verification
- Grasp the intuition behind zero-knowledge proofs
Module exam
Cryptography Essentials Exam
10 questions · Pass to earn your certificate
Complete all lessons before taking the exam.