Discovering which token standards are supported by a contract
Jim McDonald
Describing the process to understand if token contracts support ERC-20, ERC-721 or ERC-777 by querying registries and testing capabilities.
Understanding ERC-777 token operator contracts
Jim McDonald
Examples of using ERC-777 token operator contracts to extend contract functionality, including code.
Understanding ERC-777 token contracts
Jim McDonald
Explaining Ethereum token contracts in general and the specifics of the ERC-777 token contract, providing details on its features, functions and usage.
Managing ENS domains with Ethereal
Jim McDonald
Registering, managing and using Ethereum Name Service (ENS) domains from the command line with Ethereal.
Participatory random numbers in Ethereum
Jim McDonald
Random numbers are useful for many purposes in computing. This article explains how to generate multi-party random numbers backed by an Ethereum smart contract.
Using EthDNS to host your DNS domain
Jim McDonald
EthDNS can be used to store DNS records safely and in a distributed fasthion. This article describes how to set up a domain using EthDNS.
EthDNS: an Ethereum backend for the Domain Name System
Jim McDonald
EthDNS stores DNS records on the blockchain. This article describes DNS, introduces EthDNS, and provides details of the benefits that EthDNS brings to this vital piece of internet infrastructure.
Releasing stuck Ethereum transactions
Jim McDonald
During busy times Ethereum transactions can take many hours to confirm. This article explains what the problem is, and how you can release your transactions to be confirmed.
Ethereum smart service payment with tokens
Jim McDonald
Explanation of and methods for spending Ethereum ERC-20 tokens as payment for smart contract services.
Understanding ERC-20 token contracts
Jim McDonald
Describing tokens, Ethereum token contracts, the ERC-20 token contract standard, and beyond.