Guides
The following guides show you how to solve a specific problem or use case using the Covalent GoldRush API.
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Guides
The following guides show you how to solve a specific problem or use case using the Covalent GoldRush API.
Token Balances
Comparing GoldRush’s Token Balances API to RPC Providers
Building a Web3 Portfolio Tracker with the GoldRush API
How to Build a 30-Day Historical Crypto Portfolio Chart
Building Web3 Wallets (Part 1) - Token Displays
Building Web3 Wallets (Part 2) - Curve LP Token Balances
How to Get Token Holder Data for ERC-20, ERC-721 and ERC-1155s
Building Web3 Wallets (Part 5) - Revoking Approvals for Your Wallet
Building Web3 Wallets (Part 6) - Multi-chain Portfolio Tracker
Understanding Web3 Wallets with GoldRush
NFTs
How NFCs are Bringing NFTs into the Physical World
How Token Gating and Membership dApps Use the GoldRush API
Building NFT Analytics Using the GoldRush NFT API and GoldRush Components
How to Get All NFTs for Address
Navigating NFT APIs: A Comprehensive Introduction
How to Get the Current Owner of an NFT
How to Retrieve NFT Metadata for a Single Token Using the GoldRush API
How to Get Floor Price, Volume and Sales History of an NFT Collection
How to Get Chain Collections Using the GoldRush API
Mastering NFT Indexing: GoldRush's Advanced API for Comprehensive NFT Data
How to Get NFT Owners at a Specific Block Height Using the GoldRush API
Displaying NFT Holdings with GoldRush's NFT Endpoints
Seeking NFT Alpha with GoldRush
How to Block NFT Spam
NFT Provenance: Bringing Property Rights Onchain
How to Verify NFT Ownership in a Collection
How to Get All Transfers for an NFT
Mastering the ERC-1155 Multi-Token Standard (Part 2)
How to Implement a Rental NFT Contract
What is ERC-4907? The Rental NFT Standard
EIP-2981: Implementing NFT Royalties On-Chain
What are Fractional NFTs? Examples and How to Buy
The Evolution of ERC-721 Standards: Navigating the NFT Ecosystem
How to Create Fractional NFTs: a Step-By-Step Guide
How to Create an NFT Allowlist (AKA Whitelist)
What Are Dynamic NFTs and Why Do They Matter?
A Complete Guide to ERC-6551: Token Bound Accounts
How to Create a Dynamic NFT
Mastering the ERC-1155 Multi-Token Standard (Part 1)
Transactions
How to Get the Latest Axie Spawns
A Deep Dive Into The Architecture of RPC Nodes
Comparing GoldRush's Transactions API to RPC Providers
How to Get Transaction History for an Address on Ethereum
Discover Your Ethereum Gas Consumption with the GoldRush API
How to Use GoldRush's DEX API for DeFi Apps
How to Track Wallets or Transactions with the GoldRush API
How to Get the Number of Transactions in a Block
Building Web3 Wallets (Part 4) - Displaying Curve Liquidity Pools
How to Get the Earliest Transaction History for an Address on Ethereum
Building Block Explorers (Part 1) - Multi-chain Block Transaction Explorer
How to Fetch Onchain Gas Prices and Estimate Gas Costs
How to Decode Raw Blockchain Event Logs with GoldRush Decoder
Building Web3 Wallets (Part 3) - Displaying Curve Transactions
How to Get Bitcoin Balances and Transactions
Calculate Crypto Cost Basis and Capital Gains with GoldRush
Building Web3 Wallets (Part 7) - Multi-Chain Wallet Activity Summary
DIY - Build Your Own Crypto Tax Calculator with Google Sheets
Introducing Transactions V3 APIs
Scaling Transactions API with Time Buckets
How to Get All Historical Transactions in a Block
Internal Transactions: Mechanics and Use Cases
What are Internal Transactions in Ethereum?
Understanding Different Types of Blockchain Transactions with Covalent
Account Abstraction
How to Fetch User Operations (UserOps) for a Specific Wallet Address
Building with Account Abstraction (Part 3) - Using the Paymaster Contract
The Ultimate Guide to Top ERC-4337 Account Abstraction SDKs
Building a Coin Flip Game on Ethereum (Part 2) - Deploying the Contract
Building a Coin Flip Game on Ethereum (Part 3) - Interacting with the Contract
Building a Coin Flip Game on Ethereum (Part 1) - Web3 Email Onboarding
Understanding EIP-3074: AUTH and AUTHCALL Opcodes
Top Web3 Smart Contract Wallets for Account Abstraction Login
Building with Account Abstraction (Part 1) - Creating Smart Contract Accounts
How Does Account Abstraction Work?
Understanding Account Abstraction
Building with Account Abstraction (Part 2) - Creating UserOps
Building with Account Abstraction (Part 4) - Paymaster User Interface
Other
How Do ZK Rollups Work? Details and Implementation
Optimizing Data Availability in ZK Rollups: Challenges and Innovations
How to Share a Smart Contract in a Farcaster Frame (Part 2)
How to Share a Smart Contract in a Farcaster Frame (Part 1)
What are Decentralized Identifiers (DIDs)?
What is a Hashing Algorithm?
Understanding Blockchain Consensus Mechanisms
Understanding Public Key Cryptography
Ethereum vs. Solana for Developers: A Technical Comparison
Leveraging GoldRush for the Management of Intent-Based Systems
What Are Intent-Based Systems? How They Work and How to Use Them
How to Implement an ERC-1363 Smart Contract
What is ERC-1363? The Payable Token Standard
Top Web3 Programming Languages
How to Read Data with JSON-RPC
Understanding Crypto Points and Their Role in Community Building and Airdrops
What are Ethereum Accounts? Types, Addresses, Wallets, and Security Explained
Why Structured Data is Necessary for AI Models in Crypto
How to Build a Crypto Intelligence dApp with GoldRush Components
What is an RPC Node, and How Does it Work?
How to Set Up a (Gnosis) Safe Wallet Step-by-Step
Introduction to Custom DeFi Endpoints
How to Calculate Unrealized Profit and Loss for Your Crypto Assets
What is Chain Abstraction? Simplifying Web3
Where Does GoldRush Fit in the Infrastructure Stack?
How to Fork and Deploy GoldRush Templates to Vercel
GoldRush vs. Etherscan: A Side-by-Side Comparison
How to Access the GoldRush API Using the Viem Framework: A Comprehensive Guide
Getting Started with the GoldRush SDK
How to Resolve a Wallet Address Given an ENS Domain
Top AI Crypto Projects in 2024
Vanity Addresses on the Blockchain
How Do Smart Contract ABIs Work?
AI Meets Crypto: What You Need to Know
Understanding Appchains with GoldRush
Understanding GoldRush’s xy=k Endpoints
Running GoldRush Storybook from Terminal: A Step-by-Step Guide
Comprehensive Guide to Bitcoin Wallet Lookup and Transaction Tracking
A Guide to DeFi Taxes
Modular vs. Monolithic Blockchains
What is Decentralized Social? Lens, Farcaster and Others
What is an Ethereum Contract Address and How Do You Find It?
A Complete Guide to Building on Modular Blockchains
What are Deterministic Wallets and How They Work?
What are Ethereum ETFs? A Comprehensive Guide
A Detailed Exploration of Bitcoin ETFs and Others
Unlocking the Friend.tech Economy: How Tokens Drive Content Creation
What are Multi-Signature Contracts and How Do They Work?
Understanding RPC Communication Protocols in Blockchain: JSON-RPC vs. gRPC
How to Clone UniswapV2 (Frontend)
The 2024 Bitcoin Halving: What You Need to Know
What are Liquid Staking Derivatives? Working Mechanisms and Case Studies
Understanding the Role of Gwei
How to Implement a Multi-Signature Contract
Deep Dive into Modular Blockchain Architecture: Paradigms, Layers and Technologies
Layer-2 vs Layer-3: What is the Difference?
How to Clone UniswapV2 (Backend)
The Ultimate RainbowKit Integration Tutorial for Web3 Developers (Part 2)
What is Proto-Danksharding (EIP 4844)?
Erigon vs Geth: Unravelling the Dynamics of Ethereum Clients
How to Use ERC-4626, the Tokenized Vault Standard
What is ERC-4626? The Tokenized Vault Standard
How to Get Test Tokens from Covalent's Testnet Faucet
The Ultimate RainbowKit Integration Tutorial for Web3 Developers
Understanding Merkle Patricia Tries in Ethereum
How to Calculate Impermanent Loss (with Examples)
How to Implement Merkle Patricia Tries in Ethereum
How Layer 2 Blockchains Solve Ethereum’s Scalability Dilemma
What Are DAOs and How Do They Work?
How To Create a DAO with Smart Contracts
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