Digital Signatures: Public Key Cryptography for Blockchain — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Digital Signatures: Public Key Cryptography for Blockchain

Learn to understand and apply digital signatures using public key cryptography to secure data and transactions in blockchain environments.

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About this course

In an increasingly digital world, ensuring the authenticity and integrity of information is paramount, especially in decentralized systems like blockchain. Digital signatures are a cornerstone of modern cybersecurity, providing a cryptographic means to verify identity and data integrity. This course will equip you with a foundational understanding of digital signatures and public key cryptography, enabling you to grasp their critical role in securing blockchain transactions and other digital communications. What you'll learn: * Understand the core principles of public key cryptography and its components. * Learn how hash functions create unique digital fingerprints for data. * Apply the concepts of digital signatures to verify message integrity and sender authenticity. * Explore the practical application of digital signatures within blockchain technology. * Grasp the basics of key management for secure digital signature practices. * Analyze common vulnerabilities and best practices in digital signature implementation. The course begins with essential cryptographic terminology and foundational concepts, then progressively builds towards practical applications of digital signatures in securing digital transactions and blockchain ecosystems. This course is designed for absolute beginners with no prior knowledge of cryptography or blockchain, seeking to understand the underlying security mechanisms. Start reading today to unlock the power of digital signatures in securing the digital world.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 💬 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
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Name Surname
has successfully demonstrated mastery of
Digital Signatures: Public Key Cryptography for Blockchain
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
Digital Signatures: Public Key Cryptography for Blockchain
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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