Below are instructions to deploy a Solidity smart contract to the Polygon / Matic network. The Polygon Network is a…
Auto send a percent of tokens to another address
Do you what to create a deflationary token, or a token with a tax or have your token contribute to…
Fix a pending Ethereum transaction
How to cancel an Ethereum transaction that is stuck in a pending state? Miners order and process the highest gas…
Lock a token so it can not be transferred
In this tutorial I will explain how to add a feature to your Solidity smart contract to control or lock…
How to create a payment channel on Ethereum
A payment channel is a process where participants can make multiple transfers without sending a transaction to the Ethereum blockchain.…
How to sign & verify an Ethereum message off chain
Cryptographic signatures have many different use cases in the Ethereum ecosystem. Signatures are used for verification of ownership, payments, authorization,…
Reddit sentiment indicator for crypto in Python
In this tutorial I will explain how to build a Reddit crypto currency sentiment indicator in Python. Sentiment analysis is the…
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.…