Cryptocurrency: Blockchain Architecture, Smart Contracts, and Securing Digital Assets

by Theophilus Edet

Why This Understanding Why Digital Money Needs Trust

Digital files copy effortlessly, which is exactly why digital money stayed impossible for decades. This book begins with the double-spending problem and builds through ledgers, hashing, digital signatures, and wallets, showing how strangers can agree on who owns what without a bank. You gain clear, dependable insight into why cryptocurrency works, explained through stories and everyday analogies rather than jargon.

What This Book Is Blockchain Architecture, Smart Contracts, and Asset Security

Across twenty-four modules in four parts, this book moves from the problem of digital money to the architecture that solves it. Part I covers cryptographic foundations, Part II dissects blocks, mining, proof of stake, and networks, Part III explores smart contracts, tokens, and decentralised finance, and Part IV addresses attacks, scams, custody, regulation, and the road ahead. Each module offers thorough coverage with concrete examples.

What You Will Cryptography, Consensus, Contracts, Finance, Attacks, and Custody

Hashing, public keys, digital signatures, and how wallets, addresses, and seed phrases workBlock structure, Merkle trees, transactions, and the unspent output versus account balance modelsProof of work, proof of stake, mining incentives, nodes, and how forks and disagreements get resolvedSmart contracts, gas, virtual machines, tokens, escrow, voting, governance, and decentralised financeScaling through layer two networks, sidechains, oracles, and bridges between chainsNetwork attacks, contract vulnerabilities, key custody, scams, privacy, and regulation

Kindle Edition

Expected publication November 23, 2026

About the author

I'm Theophilus Edet, a Software Engineer and Writer specializing in programming language development, web development, mobile app development, and business process mastery. My passion for empowering individuals with the knowledge to build and optimize their digital endeavors so as to step into glamorous career opportunities led me to create a range of ebooks that provide practical guidance and in-depth explorations. Currently I have written books on programming languages, programming models, web development, JavaScript frameworks, computer science fundamentals, database management, and even personal development.

I love to deliver high quality content, comprehensive information, and valuable insights with my writing.

When I'm not writing, I enjoy exploring new technological advancements and staying up-to-date with the ever-evolving digital landscape, as well as the board game of chess.

I'd love to connect with readers! You can find me on Twitter @TheophilusEdet or visit my author page on Amazon at https://www.amazon.com/stores/Theophi....