Web3 Foundations

Cryptocurrencies, NFTs, DAOs, decentralized finance, and other concepts are part of the vision for this future blockchain-based web.  The online experience is expected to change significantly with Web3, much as PCs and cellphones did.

Web3 py is a Python library for interacting with Ethereum.

It’s commonly found in decentralized apps (dapps) to help with sending transactions, interacting with smart contracts, reading block data, and a variety of other use cases.

The original API was derived from the Web3.js Javascript API, but has since evolved toward the needs and creature comforts of Python developers.

Bitcoin uses a scripting system for transactions. Forth-like, Script is simple, stack-based, and processed from left to right. It is intentionally not Turing-complete, with no loops.

Smart contracts are programs deployed to the Ethereum network. Dapp's backend code is distributed and peer-to-peer networked. When compared to an app, which runs its backend code on centralised servers

Like an app, a dapp may call its backend using frontend code and user interfaces written in any language. Its frontend may also be stored on decentralised storage, like IPFS.

In this course you will learn smart contract and Dapp development basics along with libraries for Dapp integration with smart contracts and node providers.