Top expert inEthereum Blockchain Development and Security
Xavier Decuyper is a full-stack developer and tech educator with 14 years of hands-on experience building scalable cloud-native applications, prototypes, and internal tools. He founded a popular explainer channel, Simply Explained, which has amassed over 33 million views and 470,000 subscribers by turning complex topics like blockchain and encryption into accessible videos. Professionally he combines rapid prototyping at BNP Paribas Fortis and product-focused engineering at ThinkTank with recent work as an AI Integrator, bringing practical experience across Angular, Swift, GraphQL, CI/CD and backend systems. An early entrepreneurial builder, he created a high-traffic metasearch engine and contributed to an educational JavaScript blockchain project, highlighting both systems-level thinking and a knack for clear technical communication. Based in Ghent, he’s equally likely to be experimenting with IoT microcontrollers as he is simplifying machine learning concepts for a broad audience.
A simple blockchain in Javascript. For educational purposes only.
Role in this project:
Back-end Developer
Contributions:9 reviews, 103 commits, 30 PRs in 4 years 10 months
Contributions summary:Xavier significantly contributed to the development of a simple blockchain implementation in JavaScript. Their work began with the introduction of proof-of-work, followed by the implementation of transactions and mining rewards. They also addressed code quality by fixing bugs, correcting hash calculations, and updating the genesis block creation. The user's contributions demonstrate expertise in core blockchain concepts.
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