Pretty good foundation. The explanations were generally clear, and the structure made sense. I'd say it's a worthwhile 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.
Really enjoyed the flow of this. The practical applications discussed were spot on. Great 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.
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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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