Patrick Collins - Chainlink

Build a dApp on Binance Smart Chain With Secure Data Feeds

Learn how to connect your smart contracts to Chainlink’s tamper-proof oracles on Binance Smart Chain’s EVM-compatible network.

Developers

Develop a DeFi Project Using Python

Learn how to use web3.py, Brownie’s Python-based development framework, and Chainlink oracles to build a DeFi smart contract that fetches reliable crypto price data.

Developers

Build, Deploy, and Sell Your Own Dynamic NFT

Learn how to deploy, showcase, and sell your dynamic non-fungible token (NFT) on the OpenSea Marketplace using Chainlink VRF.

Developers

Testing Chainlink Smart Contracts

Always test before you deploy. This tutorial covers how to test Chainlink smart contracts in Solidity and JavaScript using testnets, mocks, helper functions, and more.

Developers

How to Get Random Numbers in an NFT (ERC721)

This tutorial walks through the development of a simple NFT/ERC721 that generates random numbers in its attributes, making it ideal for Pokemon GO, Dungeons and Dragons, or any other similar application.

Developers

OAuth and API Authentication in Smart Contracts

Chainlink external adapters make it easy to connect API authentication processes to smart contracts. Here’s an example with the Reddit API and Twitter API, which each require OAuth.

Developers

Build a DeFi Yield Farming dApp Using Chainlink Price Feeds

Learn how to build a DeFi application that distributes out your own ERC20 token to platform users, enabling them to participate in yield farming. Token payouts are based on exchange rates set by Chainlink's decentralized oracle price feeds.

Education

Building and using External Adapters

Chainlink’s blockchain-agnostic and decentralized oracles make it easy for developers everywhere to connect real world data and events to the world of blockchains. Chainlink built-in core adapters make it easy to configure and validate data from any desired open APIs.