Introduction of Aave Aave is an Open Source Protocol to create Non-Custodial Liquidity Markets to earn interest on supplying and borrowing assets with a variable or stable interest rate. The protocol is designed for easy integration into your products and services. Aave is a well-known DeFi lending protocol that have $12 billion of…

What is Aave? The Aave Protocol is a decentralized, non-custodial liquidity protocol that enables the supplying and borrowing of different crypto assets from liquidity pools, and earning interest on crypto assets supplied. Basic Features of Aave are cryptocurrency lending, flash loan (lending without collateral, must be in same transaction), pools for real-world assets…

When I read the Aave V3 Pool contract, I was wondering why the contract extends the VersionedInitializable but has its own constructor at the same time. Shouldn’t an upgradeable contract use initialize instead of constructor? Proxy Upgrade Pattern Before I explain the question above, please allow me to explain the Proxy Upgrade Pattern…

Smart contracts are immutable when they are deployed on-chain. No one can alter the logic in the contracts so that the contracts can be trustable and unbreakable. But… It might not be immutable in the way you think of. The need of updating the smart contracts If the smart contracts are all unchangeable, what to do if…

Raydium is the first decentralized automated market maker (AMM) on the Solana blockchain, which is an excellent layer-one blockchain, much faster and cheaper than Ethereum. Isn’t it cool if we can build something like the swap feature in Raydium? Final output: https://abbylow.github.io/raydium-test/ Source code is available here: https://github.com/abbylow/raydium-test Recap Part…

Raydium is the first decentralized automated market maker (AMM) on the Solana blockchain, which is an excellent layer-one blockchain, much faster and cheaper than Ethereum. Isn’t it cool if we can build something like the swap feature in Raydium? Final output: https://abbylow.github.io/raydium-test/ Source code is available here: https://github.com/abbylow/raydium-test Step 1: Install Solana Wallet Adapter and Build a Frontend App

With the hype of Web 3.0, the rise of blockchain technology is inevitable. The news about the latest cryptocurrencies and NFT are taking over our social media and squeeze their way into our daily lives. Everyone wants to ride the Web 3.0 wave but soon will realize that the learning…

To recap what IPFS is, you may read this article. This article will guide you through the simple few steps to deploy your Single Page App (React App in our case) to IPFS. First of all, you need to have a React app ready. If you don’t have one on…

What is InterPlanetary File System (IPFS)? The InterPlanetary File System (IPFS) is a protocol and peer-to-peer network for storing and sharing data in a distributed file system. With this fancy name, IPFS has an ambitious goal to make the web becomes completely distributed on a peer-to-peer network. …