Xavier Decuyper
Belgium
Summary
🤩
Rockstar
Top expert inEthereum Blockchain Development and Security
Xavier Decuyper is a full‑stack developer and educator based in the Ghent metro area with 14 years of experience building cloud‑first, scalable applications and quick prototypes. As founder and Chief Explaining Officer of the Simply Explained YouTube channel he turns complex topics into accessible lessons—his videos have amassed over 33 million views and 470,000 subscribers. He combines hands‑on engineering at BNP Paribas Fortis with a recent AI integrator role at Agentix, shipping tools across Angular, Swift, GraphQL and modern CI/CD pipelines. An active tinkerer and open‑source contributor, he implemented core blockchain concepts (proof‑of‑work, transactions, mining rewards) in the educational SavjeeCoin JavaScript repo and builds IoT projects with microcontrollers in his spare time.
14 years of coding experience
Github Skills (9)
proof-of-work10
sha25610
wallet10
javascript10
javascripts10
transactions10
cryptography10
blockchain10
node-js9
Programming languages (15)
Github contributions (5)
Savjee/SavjeeCoin
Sep 2017 - Jul 2022
A simple blockchain in Javascript. For educational purposes only.
Role in this project:
Back-end Developer
Back-end DeveloperContributions: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.
cryptographyjavascriptblockchainwalleteducational-purposes-only
Savjee/anagram-solver
Dec 2021 - Sep 2022
Serverless anagram solver powered by Cloudflare Pages and R2
Contributions:22 commits, 4 PRs, 5 pushes in 8 months
anagramcloudflare-pagescloudflare-r2cloudflare-workersserverless
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