Yield bearing Vaults on the Ethereum blockchain have become popular over the last several years. Vaults are smart contracts that…
Solidity
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…
Create a crypto faucet using a Solidity smart contract
In this tutorial we will create two crypto currency faucet smart contracts. The first faucet contract allows users to request…
How to create and deploy an NFT collection
In this tutorial we will create and deploy an NFT collection. First we will create a collection of images and…
Implement Upkeep using Chainlink Keepers
Implement Upkeep using Chainlink Keepers to manage system tasks. Users can not initiate all smart contract actions required to keep…
Interface in Solidity smart contracts
An interface in Solidity behaves similarly to interface agreements in traditional object-oriented programming languages. In object-oriented programming an interface is…