Cryptographic signatures have many different use cases in the Ethereum ecosystem. Signatures are used for verification of ownership, payments, authorization,…
Solidity Samples
Solidity smart contract examples
Create a Defi bank that pays interest (Yield Farm)
In this tutorial I will explain how to create a solidity smart contract that functions like a decentralized savings bank.…
Build a snipe bot to monitor and trade liquidity pairs
Build a snipe bot to monitor and trade liquidity pairs on decentralized exchanges. When a new liquidity pool is created…
Swap tokens on Uniswap using a smart contract
Use a Solidity smart contract to swap tokens on Uniswap. Uniswap is a decentralized exchange running on the Ethereum blockchain.…
How to create an ERC721 Solidity smart contract
In this tutorial we will explain how to create an ERC721 Solidity smart contract. First we will review differences between…
Can you make money creating an arbitrage bot running on the Ethereum blockchain?
Arbitrage is a strategy of taking advantage of price differences in different markets for the same asset. For an arbitrage opportunity…
Create a yearn finance yield farm smart contract
As decentralized finance evolves projects are coming out with new ways for users to supply and borrow money. The yearn…
Chainlink price feeds on Binance Smart Chain
Chainlink data feeds are the fastest way to connect a smart contract to real time market data. These feeds allow…