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Blockchain Engineering: Consensus, Smart Contracts, and Security

Watch talks covering distributed ledgers, implementing smart contracts with Solidity or Rust, and securing decentralized applications against common vulnerabilities.

Matching moments

Understanding the core features of blockchain technology
02:25 MIN

Understanding the core features of blockchain technology

Smart Contract fundamentals - My first DApp

Defining blockchain and the evolution to Web3
07:02 MIN

Defining blockchain and the evolution to Web3

Build Real Things: Real-World Problems That Blockchain Actually Solves - Marco Podien

Viewing blockchain as another operating system for developers
02:58 MIN

Viewing blockchain as another operating system for developers

Why You Should Care About the Decentralized Computing Movement

Understanding the core components of a blockchain transaction
06:52 MIN

Understanding the core components of a blockchain transaction

Web3 Developer Crash Course

How blockchain enables verifiable career credentials
04:42 MIN

How blockchain enables verifiable career credentials

The Future of Recruiting: Innovations and Challenges in the European IT Sector

How blockchain is maturing and finding real-world use cases
01:48 MIN

How blockchain is maturing and finding real-world use cases

WeAreDevelopers LIVE - Our World Congress 2025 & CODE100 Highlights with Jack Barber and Marco Podien

Rethinking data ownership beyond centralized systems and blockchain
03:01 MIN

Rethinking data ownership beyond centralized systems and blockchain

Break the Chain: Decentralized solutions for today’s Web2.0 privacy problems

A developer's journey from Android to blockchain
00:59 MIN

A developer's journey from Android to blockchain

Coffee with Developers - Shritesh Jamulkar

Q&A on blockchain, pentesting, and ethical implications
09:15 MIN

Q&A on blockchain, pentesting, and ethical implications

Reverse Vending Machine (RVM) Security: Real World Exploits / Vulnerabilities

Understanding blockchain as the foundation of Web3
02:04 MIN

Understanding blockchain as the foundation of Web3

Connect Metamask with web3js

Defining blockchain's key concepts like immutability
02:31 MIN

Defining blockchain's key concepts like immutability

Connect Metamask with web3js

Exploring practical blockchain use cases for the retail sector
03:34 MIN

Exploring practical blockchain use cases for the retail sector

Coffee with Developers

The sustainability problem with blockchain technology
03:01 MIN

The sustainability problem with blockchain technology

IoT: The road to sustainability

Understanding blockchain's real-world use cases after the hype
03:57 MIN

Understanding blockchain's real-world use cases after the hype

WeAreDevelopers LIVE - Blockchain after the hype, Vibing all the Things, Big Tech and Work Best Practices & more

The challenge of building interoperable Bitcoin apps
02:21 MIN

The challenge of building interoperable Bitcoin apps

An introduction to Operate SV

Bridging Web2 and Web3 with a hybrid architecture
04:09 MIN

Bridging Web2 and Web3 with a hybrid architecture

Web3: Embracing the Next Era of the Internet Within a Web2 Landscape

Comparing Web2 and Web3 application architecture
06:53 MIN

Comparing Web2 and Web3 application architecture

Testing web3 applications

Understanding decentralized identifiers (DIDs)
03:40 MIN

Understanding decentralized identifiers (DIDs)

Refactoring the Web

Ensuring data privacy and security in HR analytics
01:36 MIN

Ensuring data privacy and security in HR analytics

Beyond Gut Feelings: The Rise of Data-Driven HR

Guessing tech headlines on media formats and hardware
00:47 MIN

Guessing tech headlines on media formats and hardware

Fake or News: LLMs Protect Each Other, Google Predicts Floods, and GitHub Copilot Loves COBOL - Niels Leenheer

How IBM has reinvented itself for over 100 years
08:20 MIN

How IBM has reinvented itself for over 100 years

How Visionary Leaders Drive Transformation

Fostering tech innovation with a top-down approach
03:49 MIN

Fostering tech innovation with a top-down approach

The Impact of Technology on Democracy

Why developers should consider learning Rust now
02:41 MIN

Why developers should consider learning Rust now

Coffee with Developers - Francesco Ciulla

How technical choices directly impact energy consumption
02:18 MIN

How technical choices directly impact energy consumption

What can I do about climate change as a developer... and a human being?

Understanding blockchain and its role in Web3
06:59 MIN

Understanding blockchain and its role in Web3

WeAreDevelopers LIVE - Build Real Things: Real-World Problems That Blockchain Actually Solves

Understanding the paradigm shift to decentralized systems
01:44 MIN

Understanding the paradigm shift to decentralized systems

How to Build for Decentralized Systems

Understanding consensus algorithms and data structures
05:17 MIN

Understanding consensus algorithms and data structures

Demystifying Crypto & Web3: A Technical Journey Through 15 Years of Innovation

Exploring the core technical building blocks of Web3
06:02 MIN

Exploring the core technical building blocks of Web3

Trust as the Key Concept in Future Mobility

Understanding the mechanics of SPV and Merkle trees
03:14 MIN

Understanding the mechanics of SPV and Merkle trees

Scaling Bitcoin for global adoption

Clarifying the confusion between Web 3.0 and Web3
02:36 MIN

Clarifying the confusion between Web 3.0 and Web3

Fireside Chat with Sir Tim Berners-Lee

Implementing data provenance with APIs and distributed ledgers
04:09 MIN

Implementing data provenance with APIs and distributed ledgers

Overcome your trust issues! In a world of fake data, Data Provenance FTW

Introducing Algorand and its developer-friendly smart contracts
05:15 MIN

Introducing Algorand and its developer-friendly smart contracts

WeAreDevelopers LIVE – Building on Algorand: Real Projects and Developer Tools

Why Google Cloud is investing in decentralized tech
02:29 MIN

Why Google Cloud is investing in decentralized tech

Giving the individual control of their data: Open Source Decentralized Web Nodes

Comparing the core principles of Web2 and Web3
05:57 MIN

Comparing the core principles of Web2 and Web3

​Road to Web3

Defining Web3 as a new era of user empowerment
02:44 MIN

Defining Web3 as a new era of user empowerment

Web3: Embracing the Next Era of the Internet Within a Web2 Landscape

Introducing StorX as a decentralized storage platform
01:07 MIN

Introducing StorX as a decentralized storage platform

Startup Presentation: StorX - Future of Cloud Storage

Matching Videos

A Primer on Blockchain and Hedera: An Intro Through Terms
30:11

A Primer on Blockchain and Hedera: An Intro Through Terms

Ryan Arndt

Build Real Things: Real-World Problems That Blockchain Actually Solves - Marco Podien
49:10

Build Real Things: Real-World Problems That Blockchain Actually Solves - Marco Podien

Chris Heilmann, Daniel Cranney & Marco Podien

WeAreDevelopers LIVE - Blockchain after the hype, Vibing all the Things, Big Tech and Work Best Practices & more
1:01:42

WeAreDevelopers LIVE - Blockchain after the hype, Vibing all the Things, Big Tech and Work Best Practices & more

Chris Heilmann, Daniel Cranney & Brian Whippo

P2P networks in Blockchain
42:35

P2P networks in Blockchain

Ishan Tiwari

Solving Real-world Problems with Blockchain at Algorand - Brian Whippo
50:36

Solving Real-world Problems with Blockchain at Algorand - Brian Whippo

Brian Whippo

Bitcoin- Ledger vs Blockchain
41:09

Bitcoin- Ledger vs Blockchain

Evan Freeman

Blockchains are Dumb
28:57

Blockchains are Dumb

Jonan Scheffler

Blockchain, NFT and smart contracts for my application
57:38

Blockchain, NFT and smart contracts for my application

Hendrik Ebbers

Blockchains: One Size doesn't Fit All
20:06

Blockchains: One Size doesn't Fit All

Gautam Dhameja

Connect Metamask with web3js
49:40

Connect Metamask with web3js

Wisdom Nwokocha

Tokenization of Everything: Where the Real World Meets Blockchain
16:50

Tokenization of Everything: Where the Real World Meets Blockchain

Michiel Mulders

Crypto-secure Data Management with In-Database Blockchain
29:27

Crypto-secure Data Management with In-Database Blockchain

Wei Hu

Demystifying Crypto & Web3: A Technical Journey Through 15 Years of Innovation
28:50

Demystifying Crypto & Web3: A Technical Journey Through 15 Years of Innovation

Ed Marquez

Why Bitcoin Matters: Freedom, Progress and Fairness.
34:28

Why Bitcoin Matters: Freedom, Progress and Fairness.

Jimmy Song

Web3: Embracing the Next Era of the Internet Within a Web2 Landscape
26:34

Web3: Embracing the Next Era of the Internet Within a Web2 Landscape

Darrel Idiagbor

Overcome your trust issues! In a world of fake data, Data Provenance FTW
26:41

Overcome your trust issues! In a world of fake data, Data Provenance FTW

Jon Geater

Get Started With Blockchain For Your Business
32:15

Get Started With Blockchain For Your Business

Michael Ionita

Debunking the Top 10 Myths about Web 3
30:32

Debunking the Top 10 Myths about Web 3

Ed Marquez

Fireside Chat with Sir Tim Berners-Lee
32:30

Fireside Chat with Sir Tim Berners-Lee

Tim Berners-Lee

Trust as the Key Concept in Future Mobility
56:45

Trust as the Key Concept in Future Mobility

Peter Busch

Blockchain Beyond Crypto: Technology Unlocking Opportunities across Various Industries
31:07

Blockchain Beyond Crypto: Technology Unlocking Opportunities across Various Industries

John Woods, Arthur Breitman & Vicktoria Klich

Exploring BOS: The Blockchain Operating System by NEAR Protocol
24:23

Exploring BOS: The Blockchain Operating System by NEAR Protocol

Andrej Šarić

The Developer Handbook: How to Build on the Blockchain
42:05

The Developer Handbook: How to Build on the Blockchain

Matt Hamilton

Pragmatic Blockchain Design Patterns: Integrating Blockchain into Business Processes
25:42

Pragmatic Blockchain Design Patterns: Integrating Blockchain into Business Processes

Michiel Mulders

Develop a Blockchain Application in JavaScript with Lisk SDK
1:52:16

Develop a Blockchain Application in JavaScript with Lisk SDK

Manu Nelamane Siddalingegowda

Developer’s Perspective: Overview of the Tezos Blockchain Ecosystem
40:28

Developer’s Perspective: Overview of the Tezos Blockchain Ecosystem

Arthur Breitman

Blockchain’s effects on gaming economics and concepts.
38:12

Blockchain’s effects on gaming economics and concepts.

György László Kiss & Olivér Pintér

Why chain abstraction is the best way to build successful web3 solutions for users
49:33

Why chain abstraction is the best way to build successful web3 solutions for users

Alen Meštrov

Bitcoin SV: The Massively Scaled Blockchain to Meet Developer Needs
1:16:37

Bitcoin SV: The Massively Scaled Blockchain to Meet Developer Needs

Jimmy Nguyen & Steve Shadders

WeAreDevelopers LIVE - Build Real Things: Real-World Problems That Blockchain Actually Solves
49:10

WeAreDevelopers LIVE - Build Real Things: Real-World Problems That Blockchain Actually Solves

Chris Heilmann, Daniel Cranney & Marco Podien

Refactoring the Web
37:37

Refactoring the Web

Angie Jones

Future-Proofing FinTech With Blockchain Technology
51:01

Future-Proofing FinTech With Blockchain Technology

John Woods

Exploring 5 Key Applications of AI Abundance with Blockchain Assurance
28:14

Exploring 5 Key Applications of AI Abundance with Blockchain Assurance

ED MARQUEZ

Giving the individual control of their data: Open Source Decentralized Web Nodes
30:04

Giving the individual control of their data: Open Source Decentralized Web Nodes

Angie Jones, Mike Brock, Daniel Buchner, Markus Sabadello & Nalin Mittal

Leveraging Blockchain Technology for Business
39:59

Leveraging Blockchain Technology for Business

Marta Geater-Pierkarska

How to Build for Decentralized Systems
20:20

How to Build for Decentralized Systems

Alessandro Cappellato Ferrari