Internal Transfers, Input Data, and Historical Balances: Ask the API Which Chains Support Them
Explore how GoldRush exposes internal transfers, transaction input data, and historical balance support across chains.
The GoldRush blog
Product updates, tutorials and technical deep dives on building with blockchain data, from the team that runs GoldRush.
Featured posts
Typed judgments for onchain data: five ways to use Jev with GoldRush
Typed onchain judgments for wallet personas, scams, transaction intent, entity resolution, and launch triage.
Using Agents to Hand-Tune SQL and Self-Healing Infrastructure
See how GoldRush tests SQL query optimizations across latency, CPU, memory, and rows scanned - and uses agents to automate safe improvements.
Scaling Hyperliquid Wallet Activity with the GoldRush Streaming API
How GoldRush scaled Hyperliquid wallet activity streaming to 200K+ monitored wallets with one GraphQL-over-WebSocket subscription.
GoldRush: Lessons From Building Infrastructure for Hyperliquid
How customer pull pushed GoldRush into becoming the complete data layer for Hyperliquid.
Tracking L1 → L2 Native Deposits for Crypto Tax Reconciliation
How GoldRush’s Multichain Transactions API exposes both sides of an ETH → Base deposit and why bridge-aware wallet history matters for tax platforms.
When the Wallet Doesn’t Close: L2 Internal Transaction Coverage as a Procurement Problem
Why crypto tax platforms need normalized internal-transfer data across L2s to close wallet balances, reduce basis gaps, and avoid explorer dependency.
Hyperliquid Data on GoldRush: Custom Nodes, Zero Rate Limits, Unlimited Wallet Tracking
Track Thousands of Hyperliquid Wallets with No Rate Limits via GoldRush Streaming API.
GoldRush Skills: Structured Knowledge for AI Agents
LLMs have broad knowledge but shallow precision. GoldRush Agent Skills give AI agents the context they need to use the APIs to access onchain data.
Introducing GoldRush CLI: 100 Chains, One Command for Agents
GoldRush CLI is a terminal-first blockchain data tool with 17 commands, 100+ chains, real-time streaming, and native MCP support for AI agents.
Introducing GoldRush x402: Pay-Per-Call Blockchain Data for Agents
Blockchain data your AI agents can pay for themselves. No API keys. No accounts. Just a wallet. 60+ endpoints across 100+ chains.
Introducing the $10/month GoldRush Vibe Coding Plan
A low-friction $10/month entry point designed for experimentation, iteration, and early momentum without compromising on onchain data quality
Understanding Fusaka: Ethereum’s Infrastructure Overhaul
Deep dive into Fusaka's infrastructure overhaul: PeerDAS, 60M Gas Limit, and EIP-7642. See how Covalent EWM bridges the critical history expiry data gap.
Understanding Pectra: Ethereum’s Most Comprehensive Upgrade Yet
Pectra smoothly went live on May 7, 2025 at epoch 364032, it is less about a single headline change and more about a coordinated set of improvements.
Covalent Introduces Industry-First Model Context Protocol (MCP) Server for Blockchain Data with GoldRush API
GoldRush, today announced the launch of the industry's first Model Context Protocol (MCP) server designed specifically for blockchain data, available now.
GoldRush Launches First-Ever Public, Multichain Enhanced Spam Token Lists for ERC20 & NFTs
This launch introduces public open-source spam token lists for ERC20s and NFTs, covering multiple chains, updated weekly, and free for developers.
All posts
2026
- Hyperliquid Trader Tracker: PnL Cohorts and Wallet Profiles
The Hyperliquid trader tracker groups wallets with an open perp position into 6 PnL cohorts and opens any address as a full trader profile.
- Internal Transfers, Input Data, and Historical Balances: Ask the API Which Chains Support Them
Explore how GoldRush exposes internal transfers, transaction input data, and historical balance support across chains.
- Typed judgments for onchain data: five ways to use Jev with GoldRush
Typed onchain judgments for wallet personas, scams, transaction intent, entity resolution, and launch triage.
- Using Agents to Hand-Tune SQL and Self-Healing Infrastructure
See how GoldRush tests SQL query optimizations across latency, CPU, memory, and rows scanned - and uses agents to automate safe improvements.
- Scaling Hyperliquid Wallet Activity with the GoldRush Streaming API
How GoldRush scaled Hyperliquid wallet activity streaming to 200K+ monitored wallets with one GraphQL-over-WebSocket subscription.
- GoldRush: Lessons From Building Infrastructure for Hyperliquid
How customer pull pushed GoldRush into becoming the complete data layer for Hyperliquid.
- Tracking L1 → L2 Native Deposits for Crypto Tax Reconciliation
How GoldRush’s Multichain Transactions API exposes both sides of an ETH → Base deposit and why bridge-aware wallet history matters for tax platforms.
- When the Wallet Doesn’t Close: L2 Internal Transaction Coverage as a Procurement Problem
Why crypto tax platforms need normalized internal-transfer data across L2s to close wallet balances, reduce basis gaps, and avoid explorer dependency.
- Hyperliquid Data on GoldRush: Custom Nodes, Zero Rate Limits, Unlimited Wallet Tracking
Track Thousands of Hyperliquid Wallets with No Rate Limits via GoldRush Streaming API.
- GoldRush Skills: Structured Knowledge for AI Agents
LLMs have broad knowledge but shallow precision. GoldRush Agent Skills give AI agents the context they need to use the APIs to access onchain data.
- Introducing GoldRush CLI: 100 Chains, One Command for Agents
GoldRush CLI is a terminal-first blockchain data tool with 17 commands, 100+ chains, real-time streaming, and native MCP support for AI agents.
- Introducing GoldRush x402: Pay-Per-Call Blockchain Data for Agents
Blockchain data your AI agents can pay for themselves. No API keys. No accounts. Just a wallet. 60+ endpoints across 100+ chains.
- Introducing the $10/month GoldRush Vibe Coding Plan
A low-friction $10/month entry point designed for experimentation, iteration, and early momentum without compromising on onchain data quality
2025
- Understanding Fusaka: Ethereum’s Infrastructure Overhaul
Deep dive into Fusaka's infrastructure overhaul: PeerDAS, 60M Gas Limit, and EIP-7642. See how Covalent EWM bridges the critical history expiry data gap.
- Understanding Pectra: Ethereum’s Most Comprehensive Upgrade Yet
Pectra smoothly went live on May 7, 2025 at epoch 364032, it is less about a single headline change and more about a coordinated set of improvements.
- Covalent Introduces Industry-First Model Context Protocol (MCP) Server for Blockchain Data with GoldRush API
GoldRush, today announced the launch of the industry's first Model Context Protocol (MCP) server designed specifically for blockchain data, available now.
- GoldRush Launches First-Ever Public, Multichain Enhanced Spam Token Lists for ERC20 & NFTs
This launch introduces public open-source spam token lists for ERC20s and NFTs, covering multiple chains, updated weekly, and free for developers.
- GoldRush API - An Essential Onchain Data Tool for AI Agent Platforms
How the GoldRush API helps power AI Agent Platforms.
- Q4 2024 Product Update
Multichain API launches and Internal Transaction support added.
2024
- GoldRush (by Covalent): Leading in a New Era of Blockchain Data
GoldRush is evolving to meet new blockchain demands and continue to position itself as a leader in multichain data solutions for developers.
- Q3 2024 Product Update
Rebrand under GoldRush, new sign up flows and big changes ahead for the GoldRush product suite!
- Embracing a New Era: Introducing GoldRush, Powered by Covalent
Our suite of developer-focused data products will now proudly sport a new name: GoldRush!
- Q2 2024 Product Update
Check out the GoldRush product update! From cached NFT thumbnails to human-readable transactions for protocols like Renzo and Wormhole, this quarter was great!
- Big Enhancements to Our NFT API: Enhanced Thumbnails and Previews!
Covalent has rolled out major upgrades to its NFT API to include enhanced thumbnails, blurred previews, asset dimensions and dominant colours.
- StakeKit and Covalent—Driving Innovation in DeFi Asset Management
This case study examines the strategic integration of Covalent’s API with StakeKit, focusing on how real-time blockchain data enhances DeFi platforms.
- V0RTEx 01 Scroll Hackathon - $5K in Prizes and 47 Unique Submissions!
Browse the Covalent Bounty Winners for the VORTEx 01 Hackathon, including a link-based payment platform, an AI agent, and a decentralized lending platform.
- Covalent Launches on QuickNode Marketplace
Developers can now get Covalent's onchain data add-ons from QuickNode Marketplace, providing a seamless experience for accessing decentralized infrastructure.
- Managing Communities and Reward Distribution in Web3 | Guild.xyz, Polygon ID and Covalent
By integrating advanced technologies such as Polygon ID and the Covalent API, Guild.xyz enhances its ability to verify real onchain users.
- Q1 2024 Product Update
Check out what we shipped in Q1, including the Covalent Go SDK, a Viem-compatible client, an open-source transaction decoder and more!
- Decentralized Consumer Apps Hackathon - $5K in Prizes and 58 Unique Submissions!
Check out the Covalent winners of the Decentralized Consumer Apps Hackathon! $5K in Prizes and 58 Unique Submissions!
- Building Farcaster Frames
How to build and deploy Farcaster frames
- What Developers are Building using Covalent’s Grants Program
A deep-dive into what Covalent Grant recipients have built that leverage the Unified API
- EthDenver 2024 Roundup: A Whirlwind of Innovation and Community
A comprehensive roundup of what happened with Covalent at EthDenver and an overview of what people were talking about.
- Driving Quality Membership Activations with Onchain Gating Using Covalent
Learn how Guild.xyz is leveraging Covalent to drive onchain memberships through token gating based on holdings and detailed transaction activity.
- Introducing GoldRush Decoder: Decode, Visualize, Understand
Decode unstructured, raw event logs into structured data with a simple API. Open-source. Public Good. 200+ Chains.
2023
- Q4 2023 Product Update
Dive into the blockchain API features Covalent added this year, as well as other product updates for Web3 developers.
- 200 Chains and Beyond: One Small Step for Covalent, One Giant Leap for Web3
Explore Covalent's journey from Ethereum to 200 chains, revolutionizing blockchain data accessibility and powering diverse applications.
- Covalent commits $2.5M in grants to Empower the Identity Tech Ecosystem with Polygon ID
Covalent partners with Polygon ID, empowering Web3 with robust data analytics.
- Introducing the GoldRush Toolkit: Reimagining a Modular Block Explorer
Covalent's GoldRush is a customizable block explorer toolkit designed for the evolving blockchain ecosystem.
- Covalent Join Forces with Infura, Microsoft and Tencent to Launch Decentralized Blockchain RPC Platform
Covalent to handle archival, historical data availability queries for decentralized Infura 'DIN'.
- Unveiling the Ethereum Wayback Machine: Building for Ethereum's Future
The Ethereum Wayback Machine (EWM)—a novel solution that addresses the critical need for sustained access to historical blockchain data.
- Yield Wars: US Treasury Bonds VS stETH Staking
Covalent's report on the US Treasury bonds and Lido staking APY, their opposite directions and what that means for DeFi and TradFi.
- Get Multi-Chain NFT Floor Prices and Sales Counts Across 130,000+ Collections
Covalent releases new NFT market data endpoints to get NFT sale count, trading volume and NFT floor prices for any collection.
- Safe’s DAATA and AI Hackathon - $5K in Prizes!
Covalent announces its $5K bounty winners for the Safe DAATA and AI hackathon focusing on account abstraction.
- Safe Account Data Added to Transactions API
Covalent has indexed Gnosis Chain and now provides Safe account data through their historical transactions API, demystifying signatory details.
- Base, Zora, PGN, and Mode, the Rise of Optimism’s OP Stack and Superchain
Explore the OP Stack and the onchain data behind OP Chains, including Base, Zora, Public Goods Network (PGN), and Mode.
- Q3 2023 Product Update
Check out the features Covalent shipped over Q3, including a web3 wallet activity endpoint, a crypto accounting tool, historical token balances and more.
- Sunsetting Transactions v2 - Enhancing Your API Experience with Transactions v3
Covalent upgrades their historical blockchain transaction APIs to be faster, more liable, and cost efficient.
- The Covalent SDK – Your New Dev Language
Covalent releases developer-friendly Typescript and Python SDKs, simplifying the blockchain development journey.
- Identify Address Activity Across 100+ Chains
Covalent releases a new API endpoint to easily find where a Web3 wallet is active across 100+ blockchains.
- ETHGlobal’s Superhack - $5K in Prizes and 32 Unique Submissions!
Covalent offered $5K in prizes to teams building with the Covalent API for ETHGlobal's Superhack!
- The Refiner is Live on CQT Network
The CQT Network proudly announces the launch of the Refiner on mainnet.
- The Refiner Incentivized Testnet Recap
Prepare for the Refiner's debut on the CQT Network mainnet. Uncover the insights from stress testing and the goals achieved.
- Win From a $100K CQT Prize Pool: Help Get CQT on Bybit
CQT is coming to ByBit with your help!
- Fantom Hackathon Q2 2023 - $300K in Prizes and 64 Unique Submissions!
Covalent is pleased to announce the prize winners of the Fantom Hackathon Q2 2023 that Covalent co-sponsored with AWS.
- Covalent and Chainlink Labs Establish Partnership to Support Chainlink BUILD Participants
This partnership provides participants in the Chainlink BUILD program with GTM expertise, mentorship, and up to $25,000 in grants.
- Ethereum, Rollups, and Mantle, Blockchains Go Modular
Discover the world of modular blockchains, their benefits compared to monolithic blockchains, and explore Ethereum's modular L2 tech stacks like Mantle.
- Open Sourcing the Refiner; Phase 2 of the Covalent Network
Experience a game-changer in Web3 data access with the Covalent Network's latest innovation, the Refiner. Read the whitepaper and reference implementation.
- Q2 2023 Product Update
Discover and explore the full list of DeFi, NFT and blockchain transaction features Covalent shipped in Q2 of 2023.
- Prompt Master: The Arbitrum Ecosystem
Prompting is going to change the game. Prompt Master is a competition that aims to find the game changers writing the best analytics prompts on Increment.
- Introducing the Covalent Testnet Faucet
Discover the Covalent Testnet Faucet – your free source for multichain Testnet tokens to power smart contract deployment and DApp testing. Request Linea ETH now
- The Refiner Incentivized Testnet
Phase 2 of the Covalent Network is nearly here! Join the Refiner Incentivized Testnet for the opportunity to earn CQT and join the Covalent Network Mainnet.
- Prompt Master: The Optimism Ecosystem
Prompting is going to change the game. Prompt Master is a competition that aims to find the game changers writing the best analytics prompts on Increment.
- Covalent's Human-Readable Transactions: A New Era of Standardization and Clarity
Covalent ushers in a new era of standardization and clarity with human-readable transaction data across 100+ blockchains.
- The Success of The Data Alchemist Boot-Camp
The Data Alchemist Boot-Camp is a 4-week course that teaches 100s of people the fundamentals of Web3 business intelligence.
- The Data Alchemist Boot-Camp: Season Two
The Data Alchemist Boot-Camp is a 4-week course that teaches 100s of people the fundamentals of Web3 business intelligence.
- Prompt Master: The Avalanche Ecosystem
Prompting is going to change the game. Prompt Master is a competition that aims to find the game changers writing the best analytics prompts on Increment.
- Covalent Streamlines Wallet Development with New User-Friendly Features
Covalent has launched an array of new wallet-focused features, including an approvals endpoint, NFT spam field and much more.
- Prompt Master: The Fantom Ecosystem
Prompting is going to change the game. Prompt Master is a competition that aims to find the game changers writing the best analytics prompts on Increment.
- Hidden Gems: Analysing The $ARB Airdrop Using Increment's New Token Dashboard
Watch this episode of the Hidden Gems podcast to understand how to use Increment to track token airdrops, like $ARB, across 100+ chains.
- Covalent Solves for Approvals Risk, Protecting User Funds
Covalent has released a new approvals endpoint that shows you all the approvals across all token contracts categorized by spenders for a wallet’s assets.
- Hidden Gems: Boba Network on Developer Tools & Use of Covalent Product
Watch this episode of the Hidden Gems podcast to understand how Boba Network leverages Covalent to help accelerate their growth.
- Hidden Gems: Analysing The $OP Airdrop Using Increment's New Token Dashboard
Watch this episode of the Hidden Gems podcast to understand how to use Increment to track token airdrops, like $OP, across 100+ chains.
- Polygon zkEVM, Scroll, and Linea, Ethereum’s New Scaling Frontier
Learn more about the innovation of zkEVMs, the top teams involved in their development, and the onchain data behind their adoption.
- A First for the Infrastructure Layer: 100 Blockchains Indexed 🎉
Covalent integrates 100+ chains in less than three years, with a 25% increase in Q1 2023 alone, the first data indexer ever to do so.
- Covalent Q1 Update: 100+ chains integrated, 50+ new endpoints shipped, & 5 L2s launched 🔥
Covalent Q1 Update: 100+ chains integrated, 50+ new endpoints shipped, & 5 L2s launched 🔥
- Arbitrum and Optimism, Ethereum’s Leading Optimistic Rollups Compared
Everything you need to know about Arbitrum and Optimism, including their onchain metrics, ecosystem developments, and growth outlook.
- Covalent Continues Focus on Scaling Ethereum by Partnering with ConsenSys’ Linea
Covalent Continues Focus on Scaling Ethereum by Partnering with ConsenSys’ Linea
- Hidden Gems: DeFi Kingdoms Discussing Web3 Analytics, GameFi, Increment & More.
Watch this episode of the Hidden Gems podcast to understand how DeFi Kingdoms think about analytics, gameplay, Increment & more.
- Q1 2023 Product Update
Take a closer look at everything Covalent shipped in Q1 of 2023, including new transactions endpoints, 30+ blockchains indexed, NFT endpoints and more.
- Covalent Integrates With Mantle, Ethereum’s First Modular Layer 2, for Next-Level Scalability
Covalent Integrates With Mantle, Ethereum’s First Modular Layer 2, for Next-Level Scalability
- Covalent Partners with Polygon’s zkEVM to Support Scaling the Ethereum Ecosystem
With data scalability as a catalyst for mass blockchain adoption, Covalent is the first data provider to bring visibility to Polygon’s zkEVM analytics
- ETHDenver 2023 - $10K in Prizes and 20 Unique Submissions!
Check out the top projects building with the Covalent API at ETHDenver 2023! Easily integrate DEX, NFT, token balance, transaction data and more.
- Covalent Integrates with Arbitrum Nova to Unlock Innovative Data Points for Developers
Covalent continues to support the gaming ecosystem through unrivaled analytical tools and rapid data querying
- Covalent Adds Interoperability L1 Flare to Its Data Stack, Enhancing Web2 and Web3 Analytics Available to Developers
Partnership signals the protocol’s continued drive to support builders and enhance dApp utility
- Covalent February Update: 90 Chains Integrated, Leading ZK/OR Indexer 🚀
Covalent February Update: 90 Chains Integrated, Leading ZK/OR Indexer 🚀
- Fantom, The Future of Open Finance and DeFi
How Fantom has been taking DeFi by storm through its aBFT consensus mechanism, native DEXs, lending protocols, and other innovations.
- Covalent Works with Coinbase to Support L2 Rollup Base's Development for Testnet
Purpose-built to scale the crypto economy, Base will leverage Covalent’s breadth of Web3 data to complete its development phase.
- Covalent and NodeReal Expand Partnership with Balance API Premium Offering
Covalent and NodeReal expand their partnership with the Premium Balance API—delivering fast, efficient blockchain data. Sign up now!
- Covalent Adds Data Support for Canto, Increasing Data Visibility into Popular Blockchain Ecosystem
Covalent, a leading blockchain data platform, has announced the addition of data support for one of the fastest-growing blockchain ecosystems, Canto.
- How Nike won with NFTs
Dive deep into the world of Nike NFTs with data-driven insights into their minting, distribution, sales and more!
- January 2023: New Balances Engine Offers Improved Performance, Covalent Migrates the Network, and Analyzing the World of Avalanche App Chains 🔥
- Avalanche Subnets, Scaling The Next Wave of AppChains and GameFi
Why Subnets are one of the most agile solutions for blockchain scaling and how they open the door to many more use-cases besides GameFi.
- A Relentless Pursuit of Innovation: Migrating the Covalent Network to Wormhole
Covalent is excited to rise from the original plan for the Covalent Network and announce our successful path forward with the migration to the Wormhole bridge.
- Covalent Announces ‘Bear Market Builders’ Movement to Celebrate Greater Web3 Ecosystem
Covalent is launching an awareness effort to celebrate the thousands of Web3 projects making the world safer, more secure, and better connected.
- 2022 Annual Report - A Year of Firsts
A few highlights from the milestones reached in 2022 and what to expect in 2023 from Covalent.
2022
- Covalent Events 2022 Recap
A summary of large-scale conferences and events that Covalent organized in 2022.
- Covalent Partners With SKALE, Improving Accessibility, Breadth Of Appchain Data
Covalent Partners With SKALE
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