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Gnosis Safe | The Most Secure Multisig Wallet For Your Crypto
Gnosis Safe multisig wallets are used by institutions and individuals to hold some of the largest quantities of funds on the Ethereum network. The free to use wallet includes multisignature functionality for enhanced security and control over digital assets. It is developed by Gnosis, a blockchain technology company based out of Switzerland and Germany, known […]
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How Wrapped Tokens Like wETH & wBTC Work
In this article we will look at how different wrapped tokens work and where the underlying collateral is stored. What Are Wrapped Tokens? Wrapped tokens are generally ERC20 tokens that represents another underlying asset, typically a cryptocurrency or real world asset. The purpose of wrapping a token is to enable its use within the DeFi […]
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3 Tips For Gas Efficient Solidity Smart Contracts
Here are 3 tips which could be considered the low hanging fruit of gas efficient solidity smart contracts. Use Correct Modifiers & Declarations This is the simplest way to get some small wins with gas optimisation. Go through your contract and define anything that shouldn’t change as constant (or immutable if it is set after […]
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Introduction to Flash Loans | Unleashing Capital On Demand
In this tutorial on flash loans we will be creating a Solidity smart contract which takes a flash loan from Uniswap v3. This allows you to borrow huge amounts of capital with the catch that you have to pay it back in the same block or the whole transaction is reverted. How Do Flash Loans […]
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Uniswap Market Maker Bot | Managing Token Liquidity On Uniswap
In this tutorial I am going to go through how I built a market maker bot to manage liquidity on Uniswap v3 for a token pair. The idea is to create a automated trading bot which buys tokens when price falls below a base line value and sells tokens when price is above the base […]
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Ethers vs VIEM | Which Web3 Frontend Library?
Ether.js took over from Web3.js as the number one library for connecting up our dApps to smart contracts running on EVM blockchains. Recently Ethers v6 was released and VIEM is disrupting the space by offering a lightweight Ethereum client library from the authors of WAGMI react hooks. I have always been a big fan of […]
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How To Create A BRC20 Bitcoin Token
In this tutorial we will create our own BRC20 token on the Bitcoin network. James On YouTube Watch On YouTube: https://youtu.be/6eTN2fVd4Pw |Subscribe What are BRC20 Tokens? BRC20 tokens are created using the Bitcoin Ordinals protocol. The Ordinals protocol is a set of rules that govern how inscriptions are created, transferred and managed. Bitcoin and the […]
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Bitcoin Ordinals
Bitcoin ordinals are a means of creating NFTs by attaching data such as images, videos, and more to an individual satoshi on the base Bitcoin blockchain. They use an arbitrary but logical ordering system called ordinal theory to give each individual Bitcoin satoshi a unique non-fungible reference. What Are Bitcoin Ordinals? Bitcoin ordinals, also known […]
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Solidity vs Vyper
Solidity and Vyper are the two most popular programming languages for blockchain developers on Ethereum. Both of these languages have their own strengths and weaknesses which we will go through to help developers decide which is best suited for their project. Solidity Solidity is the most widely used programming language for developing smart contracts on […]
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Sign In With Ethereum Tutorial
To sign in with Ethereum using Metamask we will be using the ERC4361 specification that allows Ethereum accounts to authenticate with off-chain services using a standard message format. This technology offer users a self-custodial alternative to centralized identity providers that generally use email:password credentials. In Web3 applications we can improve user experiences and establish a […]
