Bitcoin Technology: Transactions, Security, and Protocol Fundamentals — PickAClass
4.0 (4) ⏱ 2h 54m 📚 29 lessons

Bitcoin Technology: Transactions, Security, and Protocol Fundamentals

Build a comprehensive understanding of Bitcoin transactions, cryptographic security, mining mechanics, and modern scaling solutions like the Lightning Network.

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About this course

Understanding how Bitcoin actually works under the hood is essential for anyone looking to navigate the cryptocurrency space with confidence. This text-based course demystifies the technical fundamentals of the world's first decentralized currency, taking you far beyond the speculative headlines. You will transition from a basic user to a knowledgeable practitioner capable of explaining and analyzing Bitcoin's core mechanics. You will gain a clear grasp of how transactions are structured, how the network reaches consensus without central authorities, and how modern scaling protocols solve real-world transaction bottlenecks. What you'll learn: - Understand the foundational concepts of cryptography, including public-private key pairs and cryptographic hashing. - Analyze the structure of a Bitcoin transaction, exploring UTXOs (Unspent Transaction Outputs) and network fees. - Explain the proof-of-work consensus mechanism and how miners secure the decentralized ledger. - Configure and secure digital wallets using modern best practices, including multi-signature setups and seed phrase management. - Explore modern scaling solutions, focusing on the mechanics and utility of the Lightning Network. - Evaluate the economic principles of halving events, supply caps, and network incentives. The course begins with essential cryptographic and ledger definitions before guiding you step-by-step through transaction mechanics, mining processes, and network security. You will wrap up by studying modern protocol upgrades and layer-2 solutions that shape the future of decentralized technology. This course is designed for beginners, developers, and finance enthusiasts who want a solid, technical grounding in Bitcoin without needing prior blockchain experience. Start reading today to build a rock-solid foundation in decentralized ledger technology.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 54m 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.

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PickAClass
Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Bitcoin Technology: Transactions, Security, and Protocol Fundamentals
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Bitcoin Technology: Transactions, Security, and Protocol Fundamentals
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (4)

Elijah Brown NZ Verified learner
★ 4 · July 3, 2026

Pretty good foundation. The explanations were generally clear, and the structure made sense. I'd say it's a worthwhile course.

Alejandro Sánchez PE Verified learner
★ 4 · July 1, 2026

I gained a lot from this. The structure made sense, and the examples were relevant. Just needed a little more explanation on a couple of topics.

Joseph Kyeremeh GH Verified learner
★ 4 · June 17, 2026

This was a good introduction. The structure is logical, and it covers the basics effectively. Might be too introductory for advanced learners.

مريم صلاح الدين BH Verified learner
★ 4 · May 25, 2026

It's a good course if you have some prior knowledge. For absolute beginners, some concepts might be a bit challenging. The structure is logical, though.

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Just a phone or computer with internet. No installs, no special hardware.

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Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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