#tutorial

23 posts

2026-03-27 Building a Second Brain with Obsidian and AI

2020-03-29 Transparent Keys in Substrate

2020-01-12 Porting Web3.js to Polkadot.js

2019-09-29 What is Substrate?

2019-07-28 Querying Substrate Storage via RPC

2019-06-27 Extending Substrate Runtime Modules

2019-05-27 Adding Fees to Your Substrate Runtime Module

2019-04-28 Substrate Smart Contracts Workshop

2019-03-14 The Sudo Story in Substrate

2019-01-30 CryptoKitties on Substrate

2018-12-31 Proof of Existence Blockchain with Substrate

2018-11-30 Verify Ethereum Contracts Using Web3.js and Solc

2018-10-21 Combining Rocket with Reqwest to Call an API with Rust

2018-10-11 Running Parity Substrate on Mac OS X

2018-08-26 Getting Twitter posts for Ethereum using an Oracle

2018-05-24 Using Web3.js 1.0 Subscribe and Infura WebSockets to Visualize Ethereum Transactions

2018-04-23 Shawn Notes: CryptoZombies Lessons 1 - 5 in Solidity

2018-03-11 Graphing ETH Balance History of an Ethereum Address using Parallel Asynchronous Requests in Web3.js

2018-01-10 Set up Azure Service Health Alerts programmatically using PowerShell

2017-12-09 Programmatically fetch multiple APIs in parallel using async and await in JavaScript

2017-11-08 Ethereum Token Contract ABI in Web3.js for ERC-20 and Human Standard Tokens

2017-11-02 Ethereum and Web3.js "Hello World": Get the ETH Balance of an Ethereum Address

2017-10-16 Getting started with Ethereum Wallet