Public Key Cryptography for Blockchain: Foundations & Security — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Public Key Cryptography for Blockchain: Foundations & Security

Learn the core concepts of public key cryptography and how it secures blockchain transactions, even if you are new to the topic.

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About this course

Are you curious about how digital currencies and secure online transactions truly work? This course will demystify the fundamental principles of public key cryptography, equipping you with a solid understanding of its essential role in securing blockchain technology. This course focuses on practical understanding, guiding you through the cryptographic underpinnings that make blockchain reliable and secure. You will gain clarity on how digital assets are protected and transactions are verified in a decentralized environment. What you'll learn: * Understand the fundamental principles of public key cryptography and its core components. * Learn to differentiate between symmetric and asymmetric encryption and their respective applications. * Apply the concepts of public and private keys to secure data and establish digital identities. * Master the creation and verification of digital signatures to ensure transaction authenticity and non-repudiation in blockchain. * Explore how cryptographic hashing contributes to the integrity and immutability of blockchain records. * Grasp the foundational security practices enabled by public key cryptography in modern decentralized systems. Through clear explanations and practical examples, you will progress from basic cryptographic terms to understanding complex blockchain security mechanisms, building confidence in your grasp of this critical technology. This course is designed for absolute beginners with no prior knowledge of cryptography or blockchain technology. Begin your journey into the secure world of blockchain today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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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 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Public Key Cryptography for Blockchain: Foundations & Security
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
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PickAClass — Name Surname
Public Key Cryptography for Blockchain: Foundations & Security
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.

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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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