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Blockchain: Build, Secure and Deploy Real-World Applications
Published 9/2025
Created by Uplatz Training
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch Level: All | Genre: eLearning | Language: English | Duration: 58 Lectures ( 60h 5m ) | Size: 24.8 GB

Learn blockchain from fundamentals to smart contracts, security, Hyperledger, real-world applications across industries.



What you'll learn
Explain the fundamental concepts of blockchain including distributed ledgers, consensus mechanisms, and cryptographic principles.
Differentiate between types of blockchains (public, private, consortium, hybrid) and identify their use cases.
Describe the architecture of Bitcoin and understand how transactions, wallets, mining, and forks operate.
Compare Ethereum and Bitcoin, and explain the role of smart contracts, DApps, and gas fees in the Ethereum ecosystem.
Write, deploy, and test smart contracts in Solidity using Remix, Ganache, and the Ethereum Virtual Machine (EVM).
Evaluate security vulnerabilities in smart contracts (e.g., reentrancy, integer overflow) and apply mitigation techniques.
Understand the design and architecture of Hyperledger Fabric and contrast permissioned vs. permissionless blockchains.
Explore interoperability solutions such as Polkadot and Cosmos, and explain how different blockchain networks communicate.
Analyze emerging trends such as Decentralized Finance (DeFi), Layer-2 scaling, and AI-blockchain integration.
Assess blockchain security threats (51% attacks, Sybil attacks, eclipse attacks) and apply strategies for mitigation.
Implement cryptographic techniques such as RSA signing, hashing, and zero-knowledge proofs in blockchain contexts.
Build a simple blockchain prototype in Python, including block creation, proof-of-work, and transaction recording.
Develop blockchain-based applications in various domains such as voting, land registry, healthcare, supply chain, and identity management.
Apply decentralized identity and confidential transactions concepts to real-world scenarios.
Critically evaluate regulatory and legal challenges associated with cryptocurrencies and blockchain adoption in enterprises.

Requirements
Enthusiasm and determination to make your mark on the world!

Description
A warm welcome to the Blockchain Masterclass: Build, Secure, and Deploy Real-World Blockchain Applications course by Uplatz.Blockchain is a distributed ledger technology (DLT) that records transactions across a network of computers in a secure, transparent, and tamper-resistant way.Instead of storing data in a single central database, blockchain distributes identical copies of the ledger across all participants (called nodes). Every new transaction is validated by the network and grouped into blocks, which are then linked together in chronological order-forming a chain of blocks, hence the name blockchain.How Blockchain WorksTransaction InitiationA user requests a transaction (for example, sending cryptocurrency, recording a contract, or logging supply chain data).Transaction BroadcastThe transaction is broadcast to a network of computers (nodes).ValidationNodes validate the transaction using a consensus mechanism such as Proof of Work (PoW) or Proof of Stake (PoS).This ensures the transaction is legitimate and prevents fraud or double-spending.Block CreationValidated transactions are grouped together into a block.Each block contains:A list of transactionsA timestampA cryptographic hash of the previous block (linking it securely in the chain)Adding to the ChainOnce verified, the new block is added to the existing chain of blocks.Because every block links to the previous one, altering data in a block would break the chain, making it extremely tamper-resistant.Distributed Ledger UpdateThe updated blockchain is replicated across all nodes in the network.Every participant now has the same trusted copy of the ledger.Key Features of BlockchainDecentralization - No single central authority; control is distributed.Transparency - All participants share the same ledger and can view transactions.Immutability - Once data is recorded, it cannot easily be altered.Security - Cryptography protects data integrity and user identities.Consensus Mechanisms - Ensure agreement on valid transactions.Example in PracticeImagine Alice sends 1 Bitcoin to Bob:The transaction request is broadcast to the network.Nodes validate Alice has enough balance.The transaction is grouped with others into a block.The block is validated and added to the blockchain.Bob receives 1 Bitcoin, and the ledger is updated across the network.Blockchain Masterclass: Build, Secure, and Deploy Real-World Blockchain Applications - Course CurriculumTopic 1: Blockchain FundamentalsSession 1 - Overview of BlockchainSession 2 - Types of Blockchain - Public, Private, Consortium, HybridSession 3 - Distributed Ledger Technology (DLT) and HashingSession 4 - Consensus Mechanisms - POW, POS, Delegated POS, Byzantine Fault ToleranceSession 5 - Cryptographic Principles - Hash Functions, Digital Signatures, EncryptionTopic 2: Bitcoin and Early Blockchain SystemsSession 6 - Bitcoin Architecture and ProtocolSession 7 - Mining and the Role of MinersSession 8 - Bitcoin Transactions and WalletsSession 9 - Blockchain Forks - Hard Forks and Soft ForksTopic 3: Ethereum and Smart ContractsSession 10 - Ethereum vs Bitcoin - Smart Contracts and DAppsSession 11 - Other Cryptocurrencies (Litecoin, Ripple, Monero, etc.)Session 12 - Regulatory Challenges and Legal Aspects of CryptocurrenciesSession 13 - Introduction to Smart ContractsSession 14 - Ethereum Virtual Machine (EVM) and Solidity PART-1Session 15 - Ethereum Virtual Machine (EVM) and Solidity PART-2Session 16 - Writing a Simple Smart Contract in SoliditySession 17 - Deploying Smart Contracts Using Remix and GanacheSession 18 - Ethereum Gas and Transaction FeesSession 19 - Security Concerns in Smart Contracts (Reentrancy, Overflow, etc.)Topic 4: Enterprise Blockchain (Hyperledger & Permissioned Chains)Session 20 - Hyperledger Fabric - Introduction and ArchitectureSession 21 - Consensus in Hyperledger and Practical Byzantine Fault Tolerance (PBFT)Session 22 - Permissioned vs. Permissionless BlockchainsSession 23 - Interoperability of Blockchain Networks (Polkadot, Cosmos, etc.)Topic 5: Emerging Trends in BlockchainSession 24 - Decentralized Finance (DeFi) & Yield FarmingSession 25 - Layer-1 vs Layer-2 Scaling Solutions (Lightning Network, Rollups, Sidechains)Session 26 - Blockchain and Artificial Intelligence (AI) IntegrationTopic 6: Blockchain Security & PrivacySession 27 - 51 Percent Attack, Sybil Attack, Eclipse AttackSession 28 - Security Mechanisms and Threat Mitigation in BlockchainSession 29 - Zero-Knowledge Proofs and zk-SNARKsSession 30 - Private Blockchains and Confidential TransactionsSession 31 - Decentralized Identity and Self-Sovereign IdentitySession 32 - Practical RSA Document Signing using Private KeyTopic 7: Blockchain Development with PythonSession 33 - Block Creation and Hash Linking in Python to Create a Simple Blockchain StructureSession 34 - Block Creation with SHA-256 HashingSession 35 - Prototype Implementation of a Linked Blockchain Ledger with SHA-256Session 36 - Blockchain with Proof-of-Work (PoW) in PythonSession 37 - Recording a Transaction in a Block Using PythonSession 38 - Blockchain with Transactions and MiningTopic 8: Blockchain Applications - PrototypesSession 39 - Voting System Based on BlockchainSession 40 - Blockchain-Based Escrow Transaction System Using PythonSession 41 - Blockchain-Based Land Registry SystemSession 42 - Blockchain-Based Certificate Verification SystemSession 43 - Blockchain-Based Medical Record SystemSession 44 - Blockchain-Based Simple Banking LedgerSession 45 - Blockchain-Based Supply Chain TrackerSession 46 - Blockchain-Based Digital Identity ManagementSession 47 - Blockchain-Based Academic Transcript ManagementSession 48 - Blockchain-Based Advanced Healthcare Record SystemSession 49 - Blockchain-Based Skill Certificate Authentication SystemSession 50 - Blockchain-Based Vehicle Ownership History SystemSession 51 - Blockchain-Based Public Grievance Redressal SystemSession 52 - Blockchain-Based NGO Donation Tracking SystemSession 53 - Blockchain-Based Product Warranty SystemSession 54 - Blockchain-Based Loyalty Points and Rewards SystemSession 55 - Blockchain-Based Book Ownership RegistrySession 56 - Blockchain-Based Artwork Provenance TrackerSession 57 - Blockchain-Based Package Delivery TrackerSession 58 - Blockchain-Based Expense Recording and Verification System

Who this course is for
Aspiring Blockchain Developers - beginners and programmers who want to build blockchain-based applications and smart contracts.
Software Engineers and Web Developers - looking to expand into decentralized app (DApp) development with Ethereum and Solidity.
Data Scientists and Python Developers - interested in hands-on blockchain implementation and cryptographic concepts.
Enterprise IT Professionals and Architects - who want to understand blockchain platforms like Hyperledger for business use cases.
FinTech and DeFi Enthusiasts - keen to learn how blockchain underpins cryptocurrencies, decentralized finance, and yield farming.
Security Professionals - aiming to understand blockchain attacks, defenses, and cryptographic security mechanisms.
Students and Graduates - in computer science, IT, or finance who want to gain future-ready skills in blockchain technologies.
Entrepreneurs and Product Managers - exploring blockchain's potential for real-world applications such as supply chain, healthcare, and identity management.
Technology Consultants and Freelancers - who want to advise clients on blockchain adoption and implementation.
Anyone Curious About Blockchain - professionals or hobbyists eager to understand how decentralized systems work in practice.

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