Really enjoyed the flow of this. The practical applications discussed were spot on. Great course!
Technical Foundations of Bitcoin and Cryptocurrency
Understand the mechanics of blockchain, digital signatures, and decentralized protocols to navigate the modern crypto landscape with confidence.
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About this course
Course contents
6 modules · 30 lessons · 3h 12m
1
The Basics and History of Digital Money
Understand the historical context and fundamental concepts of distributed ledgers.
- Welcome and Essential Glossary
An introduction to key terms such as decentralization, digital assets, and protocols.6 min - Why Digital Money?
A brief history of money and the failed attempts prior to Bitcoin.6 min - The Double-Spending Problem
Explaining the primary technical challenge that Bitcoin solved without an intermediary.6 min - The Architecture of Bitcoin
A high-level overview of how the Bitcoin system is structured.7 min - What is a Distributed Ledger?
Understanding how the blockchain acts as a shared and immutable database.7 min
2
Cryptography: The Engine of Security
Master the cryptographic concepts that secure transactions.
- Hash Functions: The Digital Fingerprint
How to transform any data into a unique and irreversible string.6 min - Asymmetric Cryptography
The concept of public and private key pairs.7 min - Digital Signatures in Action
How to prove ownership of funds without revealing the private key.7 min - Addresses and Keys
How a Bitcoin address is generated starting from cryptography.6 min - Protection Against Unauthorized Access
An analysis of the protocols that prevent data tampering.7 min
3
Consensus: How the Network Agrees
Understand how thousands of computers reach a global agreement without a leader.
- Nodes and Miners: Who Does What?
Distinguishing the roles of those who validate transactions and those who create new blocks.6 min - Consensus Theory
Why the network needs a universal rule to accept the truth.6 min - Proof of Work (PoW)
The 'proof of work' mechanism and security linked to energy.7 min - The Creation of a Block
The journey of a transaction from the mempool to final confirmation.6 min - Alternatives: Proof of Stake (PoS)
An introduction to the consensus mechanism based on coin ownership.7 min
4
Wallets and Asset Custody
Learn how to technically manage and protect your digital assets.
- Anatomy of a Wallet
A wallet does not contain coins, but manages cryptographic keys.6 min - Hot vs Cold Storage
Technical differences between internet-connected and offline wallets.6 min - Custody: Exchanges vs Self-Custody
The risks and benefits of entrusting keys to third parties versus managing them yourself.7 min - Seed Phrases and Backups
How the mnemonic standard for fund recovery works.6 min - Operational Security Best Practices
Practical tips to avoid phishing and common attacks.7 min
5
Scalability and Privacy
Explore how cryptocurrencies evolve to handle more users and protect anonymity.
- The Blockchain Trilemma
The difficult balance between security, decentralization, and scalability.6 min - Introduction to Layer 2
Moving transactions off the main chain to increase speed.6 min - Lightning Network
The protocol for instant and low-cost payments on Bitcoin.7 min - Privacy and Pseudonymity
How transactions work on a public ledger and the limits of privacy.7 min - Technologies for Anonymity
A brief look at tools like CoinJoin or privacy-focused coins.6 min
6
The Future: DeFi, Regulation, and Trends
Evaluate the broader ecosystem and real-world challenges.
- Beyond Bitcoin: Smart Contracts
An introduction to Ethereum and the programmability of money.7 min - Decentralized Finance (DeFi)
How protocols are replacing traditional banking services.7 min - Regulation and Compliance
Legal challenges and how governments are approaching cryptocurrencies.6 min - Emerging Trends
What to expect in the coming years within the decentralized sector.6 min - Course Conclusion
A summary of the skills acquired and next steps.5 min
Security Audit and Strategic Configuration
You will design a secure custody scheme for a hypothetical digital estate, choosing appropriate wallet architectures and justifying technical choices based on scalability and privacy.
What you'll get
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Certificate of completion
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Personal AI tutor
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Lifetime access
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Phone or computer
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14-day refund
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Short & focused
3h 12m of practical content
Certificate of completion
Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.
Reviews (3)
A good introduction. The structure was mostly clear, but I wish there were a few more real-world examples. Still, learned a lot.
Pretty good foundation. The explanations were generally clear, and the structure made sense. I'd say it's a worthwhile course.
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Frequently asked
What do I need to take this course? +
Just a phone or computer with internet. No installs, no special hardware.
How do I pay? +
By card via Stripe. We don’t store card details — Stripe handles them securely.
Can I get a refund? +
Yes — full refund within 14 days, no questions asked.
How long will I have access? +
Forever. Once you purchase, the course is yours to revisit anytime.
Will I get a certificate? +
Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.
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