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The Series Finale of Online Education: Coursera Acquires Udemy

$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.

Dhawal Shah Feb 11, 2026

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Master smart contract auditing, vulnerability detection, and cryptographic security to protect blockchain applications and digital assets. Prepare for CBSP certification and learn hands-on security testing through courses on Coursera, YouTube, and LinkedIn Learning, covering Ethereum, DeFi protocols, and enterprise blockchain solutions.

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Ekoparty Security Conference
Construye tu Propia Smart Wallet - Blockchain Security

Aprende a construir Smart Wallets seguras y simples para mejorar la seguridad de cuentas de usuario en blockchain, con énfasis en Account Abstraction y su potencial futuro.
- YouTube
- 39 minutes
- On-Demand
- Free Video
Ekoparty Security Conference
Analysis of Smart Contract Scams - Blockchain Security

Explora técnicas para detectar y analizar estafas en contratos inteligentes de blockchain, utilizando herramientas como PoorSKeme para visualización y análisis temprano de amenazas potenciales.
- YouTube
- 42 minutes
- On-Demand
- Free Video
Ekoparty Security Conference
Web3 - Lessons from the Past, Present Challenges, and Future Solutions for Blockchain Security

Explora vulnerabilidades en Web3, lecciones de Web2 y soluciones para el futuro. Analiza desafíos actuales, riesgos en contratos inteligentes y estrategias para mejorar la seguridad blockchain.
- YouTube
- 42 minutes
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Blockchain and Smart Contracts Security
210 ratings at LinkedIn Learning

Learn about security concerns, risk mitigation techniques, and how to configure and implement security controls to protect Blockchain from a breach or attack.
- LinkedIn Learning
- 1 hour 33 minutes
- On-Demand
- Free Trial Available
media.ccc.de
Don't Panic: Common Blockchain Bugs and How to Find Them

Explore common blockchain bugs, their impact, and testing techniques. Learn about a new fuzzer for Substrate-based chains and see live demonstrations of typical vulnerabilities.
- YouTube
- 38 minutes
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- Free Video
John Hammond
Calculating Smart Contract Vulnerability Impact - Low to Critical

Explore a new framework for assessing smart contract vulnerabilities, learn to calculate risk and impact, and discover how to prioritize security weaknesses in blockchain systems.
- YouTube
- 38 minutes
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Ethereum Engineering Group
Security of Crosschain Transactions and Bridges - Analysis of Rainbow, Ronin, and Nomad Cases

Dive into an in-depth analysis of bridge security risks, examining real-world cases like Rainbow Bridge, Ronin, and Nomad to understand crosschain transaction vulnerabilities and protections.
- YouTube
- 1 hour 37 minutes
- On-Demand
- Free Video
Ethereum Engineering Group
Front Running Protection for Ethereum Smart Contracts - Optimistic Protocols and MEV

Explore essential strategies and mechanisms for protecting Ethereum smart contracts against front-running attacks, including optimistic protocols and commit-reveal schemes.
- YouTube
- 25 minutes
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- Free Video
Hack In The Box Security Conference
Bugs in Blocks: Common Vulnerabilities in Blockchain Frameworks

Exploring common blockchain vulnerabilities, their impacts, and testing methods. Includes a demo of a fuzzer for Substrate-based chains to find typical bugs in blockchain systems.
- YouTube
- 54 minutes
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- Free Video
Hack In The Box Security Conference
Breaking MPC Wallets and Digital Custodians - HITB2023HKT

Unveiling TSSHOCK: New key extraction attacks on Multi-Party Computation wallets and digital asset custody solutions, demonstrating vulnerabilities in widely-used Threshold Signature Schemes.
- YouTube
- 41 minutes
- On-Demand
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IEEE
Quantifying Blockchain Extractable Value - How Dark Is the Forest?

Explore the concept of Blockchain Extractable Value in DeFi, its implications, and potential risks, including transaction replay attacks and their impact on blockchain security.
- YouTube
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- On-Demand
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Byzantine Swaps - A Rigorously Secure Way for Cross-Chain Asset Exchange

Explore Byzantine Swaps as a secure alternative for cross-chain asset exchange. Learn about blockchain interoperability and witness a live demonstration of cross-chain asset transfers using Hyperledger Weaver.
- YouTube
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- On-Demand
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IEEE
Routing Attacks on Cryptocurrency Mining Pools - 2024

Explore routing attacks on cryptocurrency mining pools, their impact on network security, and potential mitigation strategies in this insightful IEEE presentation.
- YouTube
- 19 minutes
- On-Demand
- Free Video
Ethereum Engineering Group
Deep Dive into the WazirX Exchange Security Breach and Analysis

Explore the comprehensive analysis of the WazirX security breach, examining attack vectors, vulnerabilities, and key lessons for blockchain security practitioners.
- YouTube
- 1 hour 14 minutes
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- Free Video
Data Science Conference
Top Fraud Trends in Crypto for 2024 and How to Stay Ahead in 2025

Explore the evolving crypto fraud landscape of 2024, from synthetic identity fraud to AI-powered scams, and discover cutting-edge prevention strategies to protect blockchain systems in 2025.
- YouTube
- 24 minutes
- On-Demand
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