Featured
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Programmatic Stellar Transfers
In this tutorial we will be setting up scripts to send and monitor transfers on the Stellar network. James On YouTube Watch On YouTube: https://youtu.be/gVC5ijif2-0 | Subscribe I’ll be using Node.js and the Stellar-SDK library. All the code is open source and you can fork the repository here: https://github.com/jamesbachini/Stellar-Cross-Border-Test There are two scripts, send.js and receive.js, created to…
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How Often Should I Rebalance My Portfolio
In this tutorial I modelled the optimal rebalancing frequency for a digital asset portfolio holding: This is a 60/40 crypto portfolio which I’ve discussed before. You can run the code with different assets (anything with a historical price feed). Starting with a $10,000 initial investment, the code allocates the funds accordingly and tracks performance over…
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Automating Web3 Interactions In Rust | Minting Ethereum NFT’s With Ethers-rs
In this tutorial we are going to be deploying a simple NFT contract to Ethereum and then minting new NFT’s using a bot built with Rust and ethers-rs Let’s start by heading to Remix and deploying this contract to Ethereum’s Sepolia testnet. It has already been deployed here if you want to skip this step:…
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Building A Cross Chain Token Bridge With LayerZero v2
This tutorial will guide you through the process of building a token bridge using LayerZero v2, specifically employing the OFTAdapter on mainnet and the OFT.sol contract on all other chains. We’ll cover the setup and deployment workflow, ensuring you have a comprehensive understanding of the process. Before we delve into the deployment process, it’s crucial…
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Practical Applications Of Merkle Trees
Merkle trees are a useful tool for blockchain developers offering a myriad of benefits, chief among them being the efficient verification of large data sets and proof of inclusion. By leveraging Merkle trees developers can significantly optimise gas costs and enhance the overall performance of their decentralised applications. In this article we will look at…
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How To Connect An Arduino To A Soroban Smart Contract
This tutorial will guide you through the process of connecting an Arduino to a Soroban smart contract on the Stellar blockchain. We’ll create a system where blockchain events can trigger physical actions through an Arduino. James On YouTube Watch On YouTube: https://youtu.be/C4a9O7AFAVc | Subscribe All the code for this project is open source at: https://github.com/jamesbachini/Arduino-Soroban-Controller…
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The Future Of Prompt Engineering | Best Practices For LLM Models
This article will explore how prompt engineering for LLM models like ChatGPT is evolving and how you can stay ahead of the game. Prompt Design Principles As large language models (LLMs) continue to evolve, the art of prompt engineering has become increasingly crucial. At its core, effective prompt design hinges on clarity, specificity, and context…
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Tokenomics 101 Designing Effective Token Models
Tokenomics Fundamentals Tokenomics refers to the economic model and framework that governs the use, distribution, and value of tokens. At its core, tokenomics is the study of the supply and demand of tokens, how they incentivise users and developers, and the role they play in driving network effects. Unlike traditional currencies, tokens are highly versatile…
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Marketing Psychology in Web3
This article delves into the key aspects of marketing psychology that are unique or particularly relevant to the Web3 ecosystem, exploring how trust, community engagement, scarcity, fear of missing out, attention economy, and behavioural economics intersect with this innovative space. Trust and Credibility The blockchain sector has been plagued by numerous fraud & scams, making…
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Meridian 2024 Takeaways
Key Innovations and Infrastructure Developments from Meridian 2024 The recent Stellar Meridian conference and its preceding hackathon showcased significant developments in the Stellar Network’s ecosystem, highlighting how the platform is revolutionizing blockchain infrastructure and smart contract capabilities. From innovative on/off-ramp solutions to ground breaking smart wallets, Stellar is positioning itself as a formidable player in…
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Prediction Markets Solidity
Prediction markets are decentralized platforms where participants can bet on the outcome of future events. For example, people could bet on the outcome of a presidential election or a sports game. In this tutorial, we will walk through a smart contract built on Ethereum, which allows users to create and participate in prediction markets. The…
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A Simple Browser Resource Monitor
This single index.html file can be uploaded to any web server, run locally, or accessed here: https://jamesbachini.com/misc/browser-resources.html It enables web developers to monitor browser resources over time and test different devices processing abilities. The dashboard first collects and presents fundamental system information, providing context about the environment in which the application operates. This data includes:…
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Stellar Soroban Boilerplate
In this tutorial I’m going to go through the code for a boilerplate which connects a Soroban smart contract to a React dApp. Note that for a more full featured demo app you can check out the excellent Scaffold Soroban at: https://developers.stellar.org/docs/learn/interactive/dapps/scaffold-soroban There is also this from the guys at Palta Labs:https://create-soroban-dapp.paltalabs.io/ James On YouTube…
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Decentralized Lending Pools | Blend Capital
Overcollateralized lending has emerged as a cornerstone in the decentralised finance ecosystem, providing a secure and efficient way for users to borrow and lend digital assets. Blend Capital leverages this mechanism on Stellar’s Soroban smart contract platform, introducing a robust protocol for overcollateralized lending and borrowing. This article delves into how overcollateralized lending works, explores…
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Encrypting Private Keys in .env
It has become very normalised to store Ethereum private keys in plain text within .env files. While this is convenient, it’s a disaster waiting to happen when working in production with wallets that contain real funds. Today, I’ll show you a better way to manage your hot wallet keys using AES encryption. Full code for…
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Enums In Solidity
Enums are one of the most useful and underused data types in Solidity. I think because they aren’t widely used in Javascript and web dev, they often get overlooked in contract development. In this article I’ll make my case for why enums deserve a place in your tool kit and smart contracts. Enums in Solidity…
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WebAuthn PassKey Smart Wallets
In this article we will take a glimpse into the future of account abstraction where web3 can offer walletless, passwordless authentication to web applications. I’ll be connecting a Stellar Soroban smart contract to a web3 frontend and verifying signatures from biometrics on your phone. Welcome to the future. The full source code used in this…
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React Hooks Tutorial | The 7 Most Important React Hooks
React Hooks provide a way to manage state, side effects, references and more in functional components. In this tutorial, we’ll look at the seven most commonly used React hooks When You Would Use These React Hooks useStateImagine you have a piece of data in your component that might change, like a number for a counter…
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Value Investing In DeFi
For value investors the goal is to find assets priced below their intrinsic value, providing a margin of safety and potential for significant future growth. Could applying this principle to DeFi help identify underappreciated projects that are gaining significant traction. Let’s find out… Market Cap, TVL & FDV Market capitalization is the total value of…
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3 Ways AI Will Change Software Development by 2030
As a developer who wrote his first computer program on a Commodore64, I’ve seen my fair share of technological shifts. But nothing quite compares to the seismic changes I anticipate large language models will bring to software development in the coming years. Let me take you on a journey through my vision of the future,…
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Building Rust Smart Contracts On Stellar Soroban
Soroban is the smart contract platform that allows developers to write and deploy smart contracts on the Stellar network. This tutorial will guide you through the process of building a simple smart contract using Rust and deploying it to Soroban. I recently took on the role of Developer in Residence with Stellar and this is…
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Pump.fun Clone In Solidity
Pump.fun is a token factory that lets users create and trade memecoins on Solana with dynamic pricing along a bonding curve. In this article I’ll show how I went about converting this concept to Solidity and deploying it on Ethereum. Full code for this is open source at: https://github.com/jamesbachini/Pump.sol Token Factory Contract At the core…
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Creating Your Own Oracle Solidity & NodeJS
In this tutorial I’m going to go through the steps to setting up your own oracle service to bring data on-chain. We are going to be deploying a simple smart contract, then setting up a NodeJS client to fetch the price of Bitcoin, then uploading this to the contract. Full code for this is open…
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Format JSON Tool
A simple tool to lint and format JSON because I was fed up of using the ones covered in ads. Format JSON The Javascript code that makes this work is quite simple: It can be used to format outputs prior to displaying the results of API queries or any other JSON found wild around the…
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Best Sketch To Image AI Generator
Recent developments in AI image generation have led to the availability of tools which can convert your doodles into generative images. Here is an example run across some freemium web apps: FreePik https://www.freepik.com/pikaso/sketch OpenArt https://openart.ai/create?mode=create NewArc https://www.newarc.ai/ ChatGPT https://chatgpt.com/ WindyBot https://windybot.com/editor Which Is The Best AI Sketch To Image Generator? As of September 2024 I…
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What’s Happened Since Chip War
After reading Chip War by Chris Miller I was intrigued to see what developments have taken place since the book was written and if Moore’s Law is still alive and well. TSMC & Taiwan Strait Taiwan Semiconductor Manufacturing Company has maintained its position as the world’s leading chip manufacturer. The company announced ambitious plans for…
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How To Calculate Gas Costs For Solidity Contracts
Deploying Solidity smart contracts can be expensive because the code needs to be stored on the shared storage of a decentralized peer to peer blockchain network. The dollar cost of deploying Solidity smart contracts is dependent on a number of variables: I’ve previously provided code to analyze the bytecode size of contracts, you can also…
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Are We Living In A Simulation?
In the vast expanse of human thought and philosophical inquiry, few questions are as mind bending and provocative as the simulation hypothesis. This idea, popularized by philosophers and futurists, posits that our reality the world we perceive, interact with, and call home might be nothing more than an incredibly advanced computer simulation. The Simulation Hypothesis…
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NFT Token Vault Solidity
This was inspired by the CryptoKitties WG0 token vault which accepts gen zero CryptoKitty deposits and mints 1 ERC20 token for each. Users can then buy tokens on exchange and claim NFT’s from the vault. The code is open source and available at: https://github.com/jamesbachini/NFTvault How The NFTvault Contract Works When you deposit your NFTs into…
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Creating an UpOnly ERC20 Token
In this tutorial we are going to create a ponzi game in the form of an ERC20 token that has an internal marketplace function. The idea is to increase the price over time so that early buyers get to dump on late buyers at a higher price. The last buyer will have no liquidity to…
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Solidity Encrypted Messaging dApp
This morning Pavel Durov, founder of Telegram, was arrested at a French airport for refusing to provide backdoor access to the messaging application. This tutorial will demonstrate how to use Elliptic Curve Diffie Hellman (ECDH) cryptography to establish a shared secret and encrypted messaging across a insecure communication channel, in this case a public blockchain.…
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CryptoKitties Investment Thesis
Below I have outlined the reasons why I invested my kids college fund into pictures of cats and why CryptoKitties are my highest conviction bet in the NFT space. Historical Significance CryptoKitties hold a unique place in the history of blockchain adoption and NFTs. It was the first time I remember the Ethereum network becoming…
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Script To Analyze Bytecode Size Of Smart Contracts
I was having trouble with the hardhat bytecode plugin so I wrote a little nodejs script which will print off the size of my compiled Solidity contracts. You’ll need nodejs installed and can then run it like this. You should get an ouput like this: Here’s the code to save to analyze_bytecode.js file in the…
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Solidity Virtual Pet
Let’s create a virtual pet in Solidity and deploy it to the blockchain. Full frontend and contract code for this tutorial can be found here: https://github.com/jamesbachini/Solidity-Virtual-Pet Demo here: https://jamesbachini.com/misc/SolidityPet/index.html Smart Contract Our pet is going to have two attributes for hunger and happiness. Hunger should increase over time and happiness should have a mechanism where…
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How To Scrape Twitter/X Without API Access
Scraping Twitter/X without direct API access can be accomplished by leveraging third-party services like RapidAPI, which provides a streamlined way to interact with Twitter data. In this tutorial, we’ll walk through the process of using RapidAPI to scrape tweets from a specified user. I’m going to provide code snippets in Python and NodeJS for this…
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Calculating Bitcoin Fair Value With Rust
In this tutorial, we will create a Rust script that: Instructions Rust Code The code is open source and available on Github: https://github.com/jamesbachini/Bitcoin-Fair-Value We’ll start with the async fetch_klines function to fetch Bitcoin price data from the Binance API. The Binance API provides various endpoints for accessing market data, and we’ll use the /api/v3/klines endpoint…
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Can ChatGPT & Keras Predict The Price Of Bitcoin
I get asked a lot if ChatGPT can be used for trading and I normally say “no, it’s a language model which isn’t designed to find market patterns in numerical price data”. ChatGPT works more like predictive text in a search engine or on your phone but what it is good at is writing code…
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How To Check Token Balances Using Python
To check a wallet token balance on the Ethereum blockchain using Python you will need the following: Once we have our API key ready and Python installed we can install web3.py using the following command Now let’s create a file called balance.py and add the following code. Note the code is also available in the…
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Using ChatGPT To Explore Future Investment Opportunities
This post was inspired by @Jake_Pahors post on Twitter which led me down a rabbit hole of thinking about what the world might look like in 10 years time and what investment opportunities might arise from these changes. The first step was to get ChatGPT to check what I was missing using the following prompt.…
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DeFi Whale Watching Tutorial & Code
Imagine if you could tap into the strategies of top investors and see where the smart money is allocating capital? Welcome to the world of DeFi whale watching, where tracking high net worth wallets can give you the edge and open up new Whale Watching Explained DeFi whale watching involves tracking the investments of “smart…
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DeDollarisation In The Changing World Order
What if the world’s most dominant currency, the US dollar, is losing its grip on global power? De-dollarisation is a seismic economic shift that could reshape the global financial landscape as we know it. Imagine a future where the dollar’s influence wanes and emerging currencies, backed by hard assets rise to prominence. This change will…
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DeFi Analysis With Rust
In this tutorial I’m going to provide some code and show you how to monitor the number of depositors to Eigenlayer over the last 24 hours. We will be using Rust with the Tokio and Ethers libraries along with the Infura API which you can get a free key from here. The first thing we…
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Structured Products DeFi
We all remember the 2008 financial crisis, a global upheaval sparked in part by complex structured products like collateralised debt obligations. These financial instruments are still widely used in traditional finance to manage risk and enhance returns. But what if we could reimagine these products in DeFi? In this article, we’ll explore how decentralised structured…
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ChatGPT vs Claude
In this test we will be comparing the performance of OpenAI’s ChatGPT to Anthropic’s Claude. Both are LLM based AI models designed to offer virtual assistant type services. Update 2024-08-09 I find I’m using Claude more and more for complex coding tasks. It seems to have access to more up to date data and I’m…
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How To Lookup An ENS Name In Python
To check a wallet token balance on the Ethereum blockchain using Python you will need the following: Once we have our API key ready and Python installed we can install web3.py using the following command Now let’s create a file called enslookup.py and add the following code. Enter your Infura API key on line 5.…
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Building A Portfolio Tracker In Python
In this tutorial we will be building a digital asset portfolio tracking tool using python and the Coinbase API. You’ll need to install python and the following library to make requests. The code for this is open source on Github at: https://github.com/jamesbachini/Python-Portfolio-Tracker Put this in a file called portfolio.py or fork the repo above. Then…
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Interest Rates, FOMC & Crypto
Ever wondered why crypto traders are obsessed with FOMC meetings and what the Federal Reserve are planning next? Interest rates set by the Fed impact the price of Bitcoin and other digital assets alongside stocks, shares and bonds. What if you could anticipate long-term price movements just by understanding a few macro economic principles? Let…
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Building a Career in Web3
Web3 represents the future of the internet, where developers can deploy permissionless code on a decentralized network. Building a career in this space requires a combination of technical skills, practical experience, and a strategic approach. This article outlines the key steps for anyone looking to forge a career in Web3, from learning Solidity to launching…
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Frontrunning Crypto Catalysts For Fun & Profit
There is opportunity in crypto markets if you can get ahead of the next narrative and allocate capital prior to mass of market participants. Staying ahead of the curve often means keeping an eye on emerging trends and strategic moves that can significantly impact a project’s market perception and value. In this article I’m going…
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Ethena USDe | DeFi Analysis Report
Ethena Labs has introduced USDe, a synthetic dollar on the Ethereum blockchain. USDe is designed to be crypto native, stable and censorship resistant. This is a write up of my internal research notes, this is not a sponsored post and I do not hold any exposure to Ethena or USDe at time of writing. Do your…
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Creating A Solidity Escrow Smart Contract
In this tutorial, we will create an Escrow contract using Solidity and deploy it to an Ethereum testnet. An Escrow contract is a financial agreement where a third party (the arbitrator) holds and regulates payment of the funds required for two parties involved in a given transaction. It helps make transactions more secure as it…
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How To Create ERC404 Tokens Solidity Tutorial
An ERC404 token is a digital asset that combines the characteristics of ERC20 fungible tokens and ERC721 non-fungible tokens (aka NFT’s) to enable fractional ownership of an NFT. In essence, ERC404 tokens represent divisible parts of an NFT, allowing multiple individuals to own shares of a single NFT. This approach is designed to enhance the…
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Adversarial Simulation Testing For Smart Contract Developers
I recently read Gene Kranz’s first hand account of the Gemini and Apollo Nasa missions. He talks about the rigorous simulation testing that flight directors had to partake in prior to a mission. Simulation testing plays a crucial role in ensuring the preparedness of astronauts and flight controllers for spaceflight. This process is managed by…
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Javascript Smart Contracts
As an experiment I converted this Vyper token contract to a Javascript/Typescript syntax to see if we could make it easier for web developers to get up to speed with smart contract development. Solidity is the most popular smart contract language and it is already based losely on Javascript but there are plenty of syntax…
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Vyper Tutorial | Learn Vyper In 24 Hours
Vyper is a pythonesque smart contract language that can be compiled and deployed on Ethereum and other EVM blockchains. 90%+ of blockchain devs use Solidity but there are some big projects such as Curve using Vyper and it’s growing in popularity and tooling compatibility. The best way to get started with Vyper is to head…
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Using Vyper With Remix
You can now use Vyper (a smart contract programming language similar to python) with remix to build and deploy contracts on Ethereum and other EVM blockchains. The first step is installing the Vyper plugin at https://remix.ethereum.org/ where you’ll find a list of plugins using the icon in the bottom left. You’ll then get an extra…
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Sell Me This Pen.sol
What happens when you ask a blockchain developer to sell you a pen? Etch your words permanently on the Ethereum blockchain where they will outlive you & create an everlasting record of your thoughts, contemplations & predictions. This is your chance to leave an eternal mark and express your presence in the digital age while…
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LRTs | Liquid Restaking Tokens
I’ve previously discussed Eigenlayer and how restaking works but let’s look at what this will look like for the majority of users. Liquid Restaking Tokens are the equivalent of stETH for restaking where users can deposit assets to gain exposure to yield from restaking using a simple ERC20 token. This is a write up of…
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Crypto Market Thesis 2024
The crypto market has experienced significant recovery this year, with Bitcoin’s value surging from $16,500 to over $40,000. Growth was shadowed by increased regulatory scrutiny, particularly impacting centralized exchanges. The Bitcoin halving in April 2024 is poised to be a pivotal event, historically triggering market rallies. The potential January approval of Bitcoin spot ETFs could…
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Midjourney vs Dall-E (ChatGPT) | Best AI Image Generator Tests
I currently have a subscription to both Midjourney and ChatGPT but find myself using Dall-E more and more often for image generation tasks. I wanted to carry out some tests to decide if I still needed the Midjourney subscription. James On YouTube Watch On YouTube: https://youtu.be/mf1kWjzlsqI |Subscribe Midjourney vs Dall-E | The Differences Interface Dall-E…
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How To Deploy A Website Or dApp To IPFS | Fleek Tutorial
Gm, in this tutorial we are going to be deploying a website to IPFS to create a decentralized frontend. To do this I’ll be using Fleek which has a free tier and which suits our needs. James On YouTube Watch On YouTube: https://youtu.be/https://youtu.be/DmpXbmjnpec |Subscribe We will start by getting our site on Github. We can…
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Etherspot Account Abstraction Tutorial
I find it surprising and rare when using new technology and it just works and is intuitive. Getting up to speed with Etherspot and account abstraction is one of those rare occasions. In this tutorial I’ll show you how I created a little demo to create a smart wallet, fund it and then send batched…
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TradingView Pine Script Examples | Master Pine Script With 6 Real World Examples
TradingView’s Pine Script coding language has emerged as the leading tool for traders looking to craft custom indicators and strategies with accuracy and ease. In this Pine Script tutorial I’ll provide a practical gateway into the intricacies of this coding language, tailored with useful examples to get you started. Whether you’re a novice coder or…
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Solidity Proxy Contract Tutorial With Example Code
This Solidity proxy contract tutorial delves into the concept of upgradeable proxy contracts in Solidity, specifically utilizing OpenZeppelin’s proxy contract template. We’ll start with an understanding of how these contracts work, the compromise of immutable decentralization vs upgradeability and then dive into practical code examples. Proxy Contract Video Tutorial In this video I provide an…
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Web3 Session Keys
We are going on a journey to seamlessly integrate session keys into a web3 dApp, striking a balance between autonomy and ease of use that your users are yearning for. The goal is to enable users to authenticate with a digital wallet and store a session key on their device. This session key will provide…
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ATOM Cosmos Analysis | A Deep Dive Into The Cosmos Ecosystem
This is a write up of my internal research notes, this is not a sponsored post and I do not hold any exposure to ATOM at time of writing. Do your own research, not investment advice. What Is Cosmos Cosmos is a decentralized layer zero network of independent blockchains, designed to enable scalability and interoperability between…
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Ethers-rs Tutorial | The Rust Web3 Library
In this tutorial we will be setting up a Rust script to connect to a smart contract on a blockchain network to display on-chain data using the ethers-rs library. James On YouTube Watch On YouTube: https://youtu.be/FA7WFGtyri8 |Subscribe Let’s start by setting up a new Rust project (you’ll need rust installed on your device and I’ll…
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Rainbow Wallet vs Metamask
When it comes to cryptocurrency wallets, two names often emerge as key players for users looking to navigate the blockchain sector with ease and security: Rainbow Wallet vs MetaMask. In this article, we dive into a comprehensive comparison between Rainbow Wallet and MetaMask, dissecting each platform’s core features, security architecture, user experience and community support.…
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ChatGPT Plus vs Free | Is The Paid Version Of ChatGPT Worth It?
ChatGPT Plus vs Free [Video] James On YouTube Watch On YouTube: https://youtu.be/U3xXd3vV4iU |Subscribe Why Upgrade To ChatGPT Plus? ChatGPT Plus is the paid version of ChatGPT, it currently costs $20/month + VAT and there are 3 main reasons why the average user would want to upgrade to the premium version: On top of this paid…
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WAGMI Tutorial | The Web3 React Framework
WAGMI is a set of Typescript React hooks for web3 which enables developers to connect to smart contracts on blockchain networks. In this tutorial we will look at how to install and setup a boilerplate in WAGMI and then build a simple read query. WAGMI in 3 Mins [Video] James On YouTube Watch On YouTube:…
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Emergent use cases for self-sovereign identity in DeFi
Abstract The DeFi sector is facing increased regulatory pressure to de-anonymize certain transactions and user profiles, while simultaneously dealing with flagging user confidence in terms of their individual rights to data privacy. This is providing fertile ground for innovative companies to try to allow end users to be the sovereign of their own identity and…
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How I Track Developer Activity For Crypto Projects
In this article I’m going to share how to track developer activity for crypto projects for fundamental analysis. James On YouTube Watch On YouTube: https://youtu.be/DTI7ELSA6CA |Subscribe Understanding the Crypto Development Ecosystem Cryptocurrencies like Bitcoin and Ethereum as well as the majority of blockchain projects are fundamentally software. They are applications that run on a decentralized…
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eBTC How To Trade The Flippening
eBTC is an over-collateralized digital asset pegged to the price of Bitcoin which can be minted using stETH as collateral. This is a write up of my internal research notes, this is not a sponsored post and I do not hold any exposure to eBTC at time of writing. Do your own research, not investment advice.…
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MUX Protocol | DeFi Analysis Report
MUX is a decentralized trading platform offering slippage free trades and 100x leverage. This is a write up of my internal research notes, this is not a sponsored post and I do not hold any exposure to MUX at time of writing. Do your own research, not investment advice. The first thing that jumps out about…
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How I Built A Smart Money List On Twitter
X formerly known as Twitter includes two features which allows us to create a list of accounts from people that frontrun narratives and successful trades. tl;dr if you just want to see the final list it is here: https://twitter.com/i/lists/1712044491618545903 James On YouTube Watch On YouTube: https://youtu.be/4qYraarbsYs |Subscribe Step 1. Collecting Project Data My main focus…
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Investing In Real World Assets Through DeFi
Real world assets (RWA) are tokenized digital forms of traditional finance assets. A centralized entity will raise capital by selling tokens and investing the proceeds in to an underlying asset or strategy. This has become particularly popular with bonds and treasuries due to recent rises in interest rates. The market leaders in this field by…
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Brine Finance | DeFi Analysis Report
Brine Finance is a decentralized orderbook exchange built on Starkware. They recently raised $16.5m at a valuation of $100m in a round led by Pantera Capital. This is a write up of my internal research notes, this is not a sponsored post and I do not hold any exposure to Brine at time of writing. Do…
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OpenZeppelin 5 Solidity Common Errors
OpenZeppelin have just released version 5 of their Solidity smart contract libraries and there are some breaking changes that are going to cause errors. The two main ones are the Ownable.sol import which allows devs to create onlyOwner functions and the token hooks on ERC20, ERC721 & ERC1155 contracts. Ownable Constructor If you are getting…
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Radix DLT | DeFI Analysis Report
Radix is a layer one blockchain which has recently gone live on mainnet enabling developers to deploy scrypto smart contracts. In this report I’ll explore the novelties of the technology, dive into the scrypto programming language, look at the excellent developer resources, analyze the tokenomics of the native XRD token and draw a conclusion on…
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HyperLiquid | Decentralized Perpetual Futures Trading
Hyperliquid is a decentralized exchange that specializes in perpetual futures contracts. It’s seen modest growth through a difficult bear market and has a frontend remarkably similar to FTX. Let’s dive in. This is a write up of my internal research notes, this is not a sponsored post and I do not hold any exposure to HyperLiquid…
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Understanding RFQ in Crypto | Request For Quote Systems
Uniswap recently announced they are developing an RFQ (request for quote) system that will change the way we swap digital assets. In this article we will look at RFQ in crypto and how it works. How RFQ Works RFQ works when a buyer invites sellers to bid on specific amount of an asset. The buyer…
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Hardhat Solidity Tutorial
Hardhat is an extensive framework for developing, testing and deploying solidity smart contracts. In this Hardhat Solidity tutorial you will learn how to set it up, how to create hardhat unit test tricks, working with hardhat scripts and finally some Hardhat tips and tricks for Solidity developers. Hardhat Easy Setup Hardhat is built on NodeJS…
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NEAR BOS | Blockchain Operating System
Near BOS is a complete framework designed for creating, testing, deploying and distributing decentralized application frontends. Developers can create Javascript based dApps with the frontend code stored and distributed from a blockchain. It is blockchain agnostic so you can store data on Near and EVM chains. BOS is a collection of components, blockchains & gateways.…
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Celestia | Modular AppChains
Celestia is one of the most widely used scaling solutions for projects that need high throughput, cheap transactions on a dedicated decentralized public blockchain. The aim is for “developers to deploy their own blockchain as easy as deploying a new smart contract” This is a write up of my internal research notes, this is not…
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Premia Finance | DeFi Analysis Report 🔍
In this analysis we will be looking at Premia Finance and the potential of DeFi options protocols. This is a write up of my internal research notes, this is not a sponsored post and I do not hold any exposure to Premia at time of writing. Do your own research, not investment advice. What Are…
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Smol dApp | MultiSafe MultiChain MultiSig Wallets
Smol dApp is like a swiss army knife of useful tools for DeFi. Their main offerings are: The product we are going to look at todays is their flagship MultiSafe wallets. This is a GnosisSafeProxy contract which requires a set number of wallets to sign off on a transaction before it goes through. For example…
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ApeX Pro | DeFi Analysis Report
ApeX Pro is a non-custodial decentralized orderbook exchange which is part of the ByBit group. This is a write up of my internal research notes, this is not a sponsored post and I do not hold any exposure to ApeX at time of writing. Do your own research, not investment advice. What Is ApeX Pro?…
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Hardhat vs Foundry
I started developing solidity with Truffle, then moved to Hardhat, then moved to Foundry, then moved back to Hardhat before eventually settling using both on a regular basis. In this article I’ll talk about the benefits and disadvantages of Hardhat and Foundry so you can make an informed decision about which framework is better for…
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The Definitive Guide To Enshrined Rollups
I believe that in the future 90%+ of transactional volume will go through enshrined rollups. So let’s take a in-depth look at what this technology is and how it is going to help Ethereum scale to a billion users. What Is An Enshrined Rollup? Enshrined rollups are a scaling solution being proposed by core developers…
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Calculating The Intrinsic Value Of Bitcoin & Ethereum
Calculating the intrinsic value of Bitcoin, Ethereum and other digital assets is challenging due to its intangible nature. In this analysis I’m going to discuss common methods of calculating intrinsic value and then create a model using a combination of the methods. tl;dr based on the models described below: Methods Of Calculating Intrinsic Value Store…
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Book Summary: Launch by Jeff Walker
I first read this book nearly a decade ago when it was called “The Product Launch Formula” but decided to revisit the updated version to go over some principles about launching products online. Here is a write up of my notes from the book which is available on Amazon. tl;dr Launch Takeaways Launch Book Notes…
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The Essential Checklist For Deploying A New Token
In this article we are going to look at all the things that need doing when launching a new token to create a token deployment checklist for developers and founders. At the end there is a big list of all the token listing sites that you can submit your new token to. Unit Tests &…
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Solidity Tutorial | Gas Paying NFT
The challenge is to create a NFT contract that charges 1 ETH to mint but then stores the entire amount as collateral in a liquid staking token. As staking rewards come in they get distributed to the holders of the NFTs. At any time a user can burn the NFT to reclaim the 1 ETH.…
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Web3 PWA Boilerplate | How To Create Next Generation dApps
One of Web3’s biggest issues is getting around the centralization of app stores and their stringent terms on the commission requirements for digital asset payments and transfers. Progressive Web Apps (PWAs) in my opinion are the best solution as it allows you to install dApps directly on to a mobile device without using the app…
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Chainlink CCIP | Cross-Chain Interoperability Protocol
From all the announcements at ETHcc, the release of Chainlink CCIP as a direct competitor to LayerZero for cross-chain communications and bridging technology, is perhaps the most interesting. The inherent security risks associated with bridging technology means that Chainlink are in a good position to leverage their brand and security record to gain traction in…
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Friend.Tech Trading Bot
I made a few hundred dollars with this trading bot when Friend.Tech launched. In this tutorial I’m going to show you how to take advantage of system trading web3 opportunities. James On YouTube Watch On YouTube: https://youtu.be/SLh8SN5DRc4 |Subscribe tl;dr Takeaways Trading On Friend.Tech Friend.Tech is a web3 social trading game. You can buy shares in…
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Spark Protocol sDAI | DeFi Analysis Report
Does earning 8% on your DAI stablecoin holdings sound too good to be true? Let’s take a look at how Spark Protocol is offering this APR using MarkerDAO’s Enhanced Dai Savings Rate system. This is a write up of my internal research notes, this is not a sponsored post and I do not hold any…
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Book Summary: Mastering The Market Cycle By Howard Marks
In crypto we live and die by the four year market cycle and I read this with the ambition to learn from someone who has decades of experience and seen cycles play out across multiple markets. Here is a write up of my notes from the book which is available on Amazon. tl;dr Mastering The…
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Value Averaging vs Dollar Cost Averaging
One of the most recognized techniques for investing is dollar cost averaging. A process where you invest equal amounts over set periods i.e. $100/month. A less well known strategy is value averaging which when compared across multiple markets and time frames is more effective. In this article I discuss the concept of value averaging, the…
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A Close Look at PYUSD | Implications Of The PayPal Stablecoin
In August 2023 Paypal unveiled their new stablecoin, an ERC20 token built on Ethereum. The code is open source, the contract is verified on Etherscan, it’s a real token which is going to be available to Paypal’s 435m users. What Is pyUSD & How Does It Work The Paypal stablecoin was developed in partnership with…
