Visualising how smart contracts update blockchain state using a minimal AMM — Let’s imagine deploying a decentralised exchange (DEX) like UniSwap, or one of its derivatives like SushiSwap. Or, better yet, the smart contract I built in Solidity following the fourth scaffold-eth challenge. It runs on the Ethereum virtual machine (EVM) but works similarly on compatible blockchains. dApps as backends

How it started and how they relate to each other — There’s a history of arguments about REST. REST (Representational State Transfer) is a specific way to share data (using the specs for HTTP and URI), designed around client-server architectures. This is a modified version of a concept that Martin Fowler refers to as the “Richardson Maturity Model (RMM)”, described by…

Connecting apps to your bank account — This article summarises a few things about Open Banking: how it works benefits security Since 2017, I’ve built Open Banking software and have been active in fintech. Open Banking is the general way for apps to use APIs to access banking accounts securely and with your permission. It’s trendy fintech…