Helium is a decentralized wireless network that uses low power LoRaWAN hotspot devices to transmit and receive data to and…
How to create a Bitcoin vending machine
In this tutorial we will create a Bitcoin vending machine. Users will insert coins into the vending machine and receive…
How to setup a Bitcoin Lightning network node
The Bitcoin Lightning network is a second layer network that allows for cheaper and faster transactions. This second layer network…
MEV Day on StreamETH.tv
MEV Day is a 1 day conference dedicated to Maximal Extractable Value (MEV). They discuss what’s happening in the world…
Vaults and the ERC-4626 token contract
Yield bearing Vaults on the Ethereum blockchain have become popular over the last several years. Vaults are smart contracts that…
What is an ERC-1404 token contract
The Solidity ERC-1404 token contract standard is design to allow participant to meet compliance requirements in the securities industry. This…
Dynamic NFTs on Ethereum
Dynamic NFTs (Non-Fungible Tokens) are the next step in the non-fungible token evolution. They combine the uniqueness of a non-fungible…
ERC721 contract that supports sales royalties
In this tutorial we will create a Solidity ERC721 contract that supports secondary sales royalties. This contract will allow you…