0xdonnie

@Donnie7x

I code one letter at a time. Sometimes it works, sometimes it breaks, but I always write the story behind the semicolons.

Joined April 2025

About

I am a philomath, someone who loves learning new things.

Available for

I am available for developer and technical writing roles

0xdonnie's blogs

Onchain Internalswritewithdonnie.hashnode.dev4 posts

CodeOps Blogbuildwithdonnie.hashnode.dev1 post

Articles Comments2

Recently published

00xdonniewritewithdonnie.hashnode.devNov 30, 2025 · 9 min read

We watched 25 hours of MIT's Distributed Systems Course, so you don't have to. PART - 1 [INTRODUCTION]

Introduction Distributed systems are the backbone of modern applications. Every time you open an app, stream a video on YouTube, store a file in the cloud, or even send a transaction on the blockchain, you interact with hundreds of computers working ...

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00xdonniewritewithdonnie.hashnode.devNov 9, 2025 · 7 min read

HTTP 402 Was Left Unused for 30 Years — Until Now [x402]

Introduction When the web first took shape in the early 1990s, the architects of HTTP (Hypertext Transfer Protocol) reserved a status code: 402 Payment Required. It was meant to signal that users should pay before accessing certain resources, but the...

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00xdonniewritewithdonnie.hashnode.devAug 16, 2025 · 9 min read

Understanding Frontrunning in Blockchain: How Transactions Get Hijacked

Introduction Frontrunning is a real problem in the decentralized space, which often goes unnoticed by everyday crypto users. It affects transactions, increases gas costs, and creates unfair outcomes for users. This article explains what frontrunning ...

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00xdonniebuildwithdonnie.hashnode.devMay 9, 2025 · 8 min read

Build and Deploy a Simple Sepolia Faucet with Solidity and Foundry

Introduction Imagine you have a group of friends who test Ethereum protocols. The group members get faucets manually, where the admin sends sepolia ETH to addresses, one at a time. This process is stressful and takes a lot of time. Luckily, there’s a...

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00xdonniewritewithdonnie.hashnode.devApr 26, 2025 · 6 min read

"Vitalik’s Radical Proposal Explained: Why Replace EVM with RISC-V?"

Introduction In a move that could redefine the future of Ethereum, co-founder Vitalik Buterin proposed in April 2025 replacing the Ethereum Virtual Machine (EVM)—the core of transaction processing and smart contract execution, with RISC-V as the new ...

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0xdonnie

About

Available for

0xdonnie's blogs

Recently published

We watched 25 hours of MIT's Distributed Systems Course, so you don't have to. PART - 1 [INTRODUCTION]

HTTP 402 Was Left Unused for 30 Years — Until Now [x402]

Understanding Frontrunning in Blockchain: How Transactions Get Hijacked

Build and Deploy a Simple Sepolia Faucet with Solidity and Foundry

"Vitalik’s Radical Proposal Explained: Why Replace EVM with RISC-V?"

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0xdonnie

About

Available for

0xdonnie's blogs

Recently published

We watched 25 hours of MIT's Distributed Systems Course, so you don't have to. PART - 1 [INTRODUCTION]

HTTP 402 Was Left Unused for 30 Years — Until Now [x402]

Understanding Frontrunning in Blockchain: How Transactions Get Hijacked

Build and Deploy a Simple Sepolia Faucet with Solidity and Foundry

"Vitalik’s Radical Proposal Explained: Why Replace EVM with RISC-V?"