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How Tuyo brought spending and earning together on Base
One self-custodial app where the card spends USDC straight from an earning strategy.
How Ethos makes reputation portable on Base
Reviews, vouches, and credibility scores that travel across apps.
Introducing Base Cobalt
tl;dr Base’s third upgrade, Cobalt, is now live on mainnet. Cobalt gives users greater control over their transactions with Validity Transactions and continues to establish Base…
How Centrifuge brought the S&P 500® onchain
The first licensed S&P 500 index fund token, built onchain from day one.
Request for Builders: Tokenized Stocks
Tokenized stocks are now live on Base - issued by Coinbase and available to eligible non-US users. Programmable equities change what finance can do. For the first time, equities…
B20: The Standard Behind Tokenized Stocks on Base
Coinbase Tokenized Stocks bring real securities onchain, each one is fully backed by real US company shares held with a regulated custodian.
How Bitwise brought portfolio design onchain
Automated Token Portfolios that investors hold in their own wallets.
Stocks just got updated.
Tokenized stocks are live on Base, and ready for builders.
Introducing Base Batches 004
Applications are open until September 9 for our Fall 2026 cohort
Making AWS Nitro Validation feasible onchain
TL;DR: A redesign of the base/nitro-validator library makes EVM Nitro Enclave attestations feasible onchain again post the Fusaka upgrade and even cheaper than before. Ethereum's…
Native Account Abstraction
Since day one, our mission at Base has been to bring the world onchain. It guides everything we do, from scaling the chain to improving UX. For the last several years, smart…
Request for Builders: Funding the Future of Global Finance
At Base, our goal is to build the secure, trusted infrastructure for global finance: an economy that runs 24/7 with deep liquidity to power any transaction at scale. But…
Postmortem: June 25th Block Production Outage
Base is committed to building in the open, which includes sharing detailed public postmortems when issues arise.
Introducing Base Beryl
Beryl makes Base a first-class issuance platform with the B20 token standard, more capital efficient with a reduced withdrawal delay, and more scalable with Reth V2
The Agentic Economy Is Here
TL;DR Agents are becoming the internet’s newest paying customers, and the economy serving them is moving fast. On Base, agents already use wallets and stablecoins to pay for…
Introducing Base MCP: Your agent’s gateway to Base
TL;DR Base MCP is live. Connect your Base Account to your agent and use simple prompts to swap, transfer, track your portfolio, and tap into the Base Ecosystem from chat…
Multiproofs on Base
We plan to launch multiproofs on mainnet, which provides a pathway for faster withdrawals, brings us closer to Stage 2 decentralization, and improves security.
Introducing Base Azul
tl;dr Base Azul, our first independent network upgrade, is targeting mainnet activation on May 13, 2026. Azul makes Base more secure, more performant, and easier to build on.
Introducing Base Batches 003
Meet the 12 teams building the next wave of the onchain economy
Base 2026 Mission, Vision, and Strategy
Our mission is to build a global economy that increases innovation, creativity, and freedom.
A new, unified stack for Base Chain
Base is evolving its tech stack, paving the path for further scaling, innovation, and decentralization.
Builder Codes & ERC-8021: Fixing Onchain Attribution
ERC-8021 and Builder Codes provide a system for apps to prove their impact onchain and receive credit for the transactions they generate.
Anti-Sybil Infrastructure for the Base Ecosystem
TL;DR: Base Verify helps apps on Base confirm that users are real people—not bots or the same person pretending to be many. Users log in with 3rd party accounts (X, Instagram…
Bridging Assets to Base: Playbook
A multichain path to onchain liquidity: practical steps for Solana and Binance Smart Chain (BSC) projects
Building The New Base App: Prefetching at Scale
TL;DR We reduced navigation blocking time by 80-100% and eliminated loading shimmers entirely. Here's how.
The Base App Is Now Open To Everyone, Everywhere
TLDR: The new Base App is available in more than 140 countries. It’s an everything app for social, trading, and payments with countless ways to earn. Download it today to discover…
Engineering the Base-Solana Bridge
TL;DR: The new Base-Solana bridge is a custom-engineered solution for direct asset and message transfers between the chains. It represents our first major step towards an…
How Base Pay Delivers 1-Step Crypto Payments
TL;DR: Introducing a new standard for one-step crypto payments. Try it on Shopify today using Base Pay here, and start building with it here.
The Base-Solana bridge is now live, secured by Chainlink & Coinbase
TL;DR: The Base-Solana Bridge is now live on mainnet. Secured by Chainlink CCIP alongside Coinbase, the bridge lets builders on Base support Solana assets in their apps, users…
L1 Upgrades: The Glamsterdam proposals we’re most excited about
TLDR: With the Fusaka upgrade scheduled to go live on Ethereum mainnet on December 3, the core dev community has now shifted their attention to deciding which EIPs to include in…
Scaling Base safely with end-to-end benchmarking
TL;DR: To scale Base Chain safely, we built an end-to-end benchmarking framework to test Ethereum client performance under real-world conditions. These benchmarks help us identify…
Scaling Base: Doubling capacity in 30 days
TL;DR: We’re continuing to scale Base to serve as a platform for the global economy. By the end of 2025, our goals are to double Base Chain’s gas limit, improve client…
OnchainTestKit: A Framework for End-to-End Testing of Onchain Applications
Making Onchain Application Testing Reliable and Straightforward
Y Combinator’s Request for Onchain Startups
TL;DR: In collaboration with Base and Coinbase Ventures, Y Combinator just announced Request for Startups: Fintech 3.0. It’s time to build the next era of finance onchain.
The State of Base at BaseCamp 2025
TL;DR: Today at BaseCamp 2025 in Stowe, Vermont, we shared an update: Base is beginning to explore a network token. As we begin this exploration, we’re sharing this shift in…
Flashblocks Deep Dive: How we made Base 10x faster
To build an open network for the global economy, we’re focused on making Base Chain faster and cheaper with sub-cent, sub-second transactions. And earlier this year, we shipped…
Benchmarking ZKP Systems for Passkey ECDSA Verification
TL;DR: A deep-dive into benchmarking passkey-wallet signature verification within a zero-knowledge proof (ZKP) using popular ZKP systems: SnarkJS, Rapidsnark, Gnark and Noir.
L2 Primary Names are coming to Basenames: ENSIP-19
The Basenames protocol will upgrade to support ENSIP-19: a new protocol spec from ENS for L2 Primary Names. With this, Basenames will become a portable identity solution for any…
Introducing free security reviews for Base builders
TL;DR: Base’s decentralization roadmap focuses on transparency and enhancing onchain security. To support this, we’re committed to fostering a secure environment for onchain…
Base’s Next Chapter: Everything We Announced At A New Day One
TL;DR: Base is evolving to be more than a chain. Today, at A New Day One, we introduced the Base app (formerly Coinbase Wallet), an everything app to create, earn, trade, discover…
Introducing the Base Account SDK
TL;DR The Base Account SDK is the next evolution of the Coinbase Wallet SDK. It delivers Sign in with Base and Base Pay, universal sign on and payments for the open internet.
J.P. Morgan is moving onchain with deposit tokens on Base
TL;DR: J.P. Morgan is launching a USD-backed deposit token (JPMD) proof of concept on Base through Kinexys by J.P. Morgan, its industry-leading blockchain business unit. The pilot…
Scaling Base in 2025: Sustaining 10x growth while maintaining sub-cent transactions
TL;DR: To build a global onchain economy, we need to scale. As Base grows, we’re seeing breakout apps that are bringing 10x more traffic to the network. We build in the open, and…
Engineering the Commerce Payments Protocol Powering Shopify
Launching a new standard for scalable, trust-minimized commerce
Securing EIP-7702 Upgrades: A Proxy Pattern for Safe EOA-to-Smart Wallet Transitions
A secure architecture for upgrading EOAs to smart contract wallets via EIP-7702.
We’re making Base 10x faster with Flashblocks
Bringing near-instant responsiveness to apps on Base Mainnet.
Advancing Ethereum interoperability with RRC-7755
TL;DR: We're sharing our research on RRC-7755; An interoperability standard for secure cross-chain communication, without needing to trust any third parties.
Base has reached Stage 1 Decentralization
TLDR: Base has achieved Stage 1 Decentralization, a critical milestone in our journey to build an open and global onchain economy. We’ve done this by launching permissionless…
Scaling Base: Reaching 50 Mgas/s in Q2
TLDR: To build a global onchain economy, we need to scale to keep gas fees under one cent. Our goal for 2025 is to reach a gas target of 250 Mgas/s — a 100x increase from where we…
Demystifying MTCannon
Deep dive into the MTCannon implementation.
Solady Audit to Enhance Onchain Security Across the Ecosystem
TL;DR: Base funded a comprehensive third-party security audit of the Solady library to proactively identify and resolve multiple security issues. As a result, Solady v0.1.1 has…
Exploring the Keystore and cross-chain consistency
Following the recent proposal of a cross-chain Keystore to manage wallet signers—and inspired by Vitalik’s initial blog post on the subject—the Base R&D team embarked on this…
blob/acc: Achieving more blob space in 2025
To support a global onchain economy and ensure Ethereum’s success, Base believes it’s crucial to ship the Fusaka hardfork in Q3 2025 by aligning on the following plan:
Building for the long-term: making Base faster, simpler, and more powerful
TLDR: We’re introducing new building blocks that make it faster, simpler, and more powerful to build on Base: Flashblocks, Smart Wallet Sub Accounts, and Base Appchains — plus a…
From Session Keys to Sub Accounts: Through the Idea Maze
How Smart Wallet Sub Accounts can deliver improved better onchain experiences with strong security guarantees
Scaling with Base Appchains
Base is launching Appchains - dedicated rollups for applications
Expanding Global Access to Crypto with Onboard
TLDR: Coinbase Wallet has integrated Onboard P2P as an onramp option to make buying crypto easier around the world. Onboard lets anyone purchase crypto with local currency through…
Scaling Base in 2025: Sub-cent transaction fees to bring the world onchain
TLDR: To build a global onchain economy, we need to scale. To reach our North Star of 1 Ggas/s, we’re charting a path to achieve 250 Mgas/s in 2025. Our main focuses are…
Evolving Coinbase Wallet to Bring the World Onchain
TLDR: To bring the world onchain, we’re rebuilding the Coinbase Wallet app to be 10x faster and easier to use, plus boosting app discovery by leveraging Farcaster Frames and their…
How We’re Monitoring Fault Proofs on Base
This post explores how we monitor fault proofs on Base, showcasing the framework and monitoring solutions we've developed in Hexagate to secure the system. Additionally, we share…
Base 2025 Mission, Vision, and Strategy
TLDR: Base is a global onchain economy and we’re building it together, in the open. This year, we’re focusing on growing the Base economy by investing in five key pillars…
Scaling Base: Accelerating Decentralization
A summary of our benchmarking of Fault Proofs components to ensure they remain stable throughout our scaling efforts
Scaling Base With Reth
Unlocking the future of Base
Reflections from Base Around the World
TLDR: Base just wrapped up our first world tour. We traveled to Kenya, India, Thailand, Singapore, and the Philippines. We met over 1,000 builders, selected 50+ buildathon…
Fault proofs are now live on Base Mainnet
TL;DR: Fault proofs are now live on Base Mainnet, marking a key milestone on our path to decentralization. With this upgrade, anyone can now participate in securing Base, creating…
Introducing free onchain monitoring for Base builders
TL;DR: Base’s decentralization roadmap focuses on transparency and enhancing onchain security. To support this, we’re committed to fostering a secure environment for onchain…
Base Mainnet 09/21/24 Incident Postmortem
Lessons learned from Base’s recent block building outage
Base is meeting builders around the world
TLDR: Base is for everyone — and this fall, we’re going global by meeting with builders around the world. We’ll start with a series of regional buildathons in Africa, India…
Summer never ends
TLDR: This year for Onchain Summer, we invited people around the world to participate and showcased hundreds of onchain builders and creators — resulting in $5M+ in onchain…
Scaling Base: Looking towards the upcoming Pectra upgrade
One of Base’s 2024 roadmap initiatives is making onchain accessible and affordable for everyone. We’re focused on delivering fast, low-cost transactions on a secure, decentralized…
Build your onchain identity with Basenames
TLDR: Basenames are the fastest way to start building on Base, making it easier to connect, collaborate, and contribute onchain. Get your Basename at base.org/names
Announcing the Onchain Summer Buildathon Winners
TLDR: The Onchain Summer Buildathon invited builders everywhere to unleash their creativity onchain. Over 1,250 final projects were submitted from 7,500+ builders around the…
Introducing the Onchain Content Network
TLDR: This Onchain Summer and beyond, we want to share what you’re building with millions of people across the world.
Stage 1 Decentralization is Coming to Base
TLDR: Fault proofs are now live on Base testnet, marking a step forward towards Stage 1 Decentralization.
Introducing BaseCamp 001: onchain–offgrid
TLDR: Since day one, Base has rallied a community of builders working to create a decentralized future onchain, together. We’ve seen the impact of collective action to reshape the…
Join the Onchain Summer Buildathon
TLDR. We’re inviting builders around the world to join the Onchain Summer Buildathon, with 200 ETH in total prizes and sponsors including Stripe, Shopify, Farcaster, Zora, Fleek…
Base is making it easier to get your money onchain with new global onramp and offramps
TLDR: Base is making it easier to get your money onchain with new onramp options from teams such as Binance, Bitkub in Asia, and Chipper Cash in Africa. Our onramp network now…
Onchain Summer II is Coming
TLDR: Onchain Summer is back. We’re inviting builders, creators, brands, and artists to co-create Onchain Summer with us and help bring a billion people onchain. This summer…
How Base is driving down fees across the board with EIP-4844
TL;DR Base will have Day 1 support for the Dencun upgrade, which is expected to drive down fees for users by 10-100x through increased data availability for rollups. We’re proud…
How Base is making smart wallets the default
TL;DR. One of Base’s key focus areas for 2024 is making smart wallets the default to elevate going onchain. Today, we’re providing an update on our progress and how we’re…
Getting Started with Farcaster Frames on Base
Base believes in a future internet where a billion people participate onchain, joining a global economy enabled by a new internet. We love to see others also making this vision a…
Get onchain with Base @ ETHDenver
TLDR: Base will be at ETHDenver from February 29 - March 3.
Goerli to Sepolia: Base Goerli Sunset
In October, we announced that Base would be moving our test network (“Base Testnet”) from Goerli to Sepolia. The transition is complete and Base Goerli has been sunset.
Base Meetups Go Open Source
TLDR: Base is open-sourcing our meetups and inviting passionate builders to take the lead. This move empowers people across the Base ecosystem to share ideas on a global level…
Goerli to Sepolia: Important Dates and Information
In October, we announced that Base will be moving our test network from Goerli to Sepolia. Now that we’re getting closer to the end of Goerli support by Ethereum client and EF…
Base's 2024 Mission, Strategy and Roadmap
In December, the Base core team came together to reflect on our first year of building and focus on what’s ahead. Fueled by learnings from Coinbase teams and ecosystem…
Open sourcing op-viem and op-wagmi
TLDR: Today, we’re open sourcing op-viem and op-wagmi, extensions to the popular developer tools viem and wagmi. We’ve developed these libraries, in collaboration with the…
Base is bringing Art Week onchain
TLDR: Base is helping bring onchain and real-world art to Art Basel in Miami Beach with Base Hunt and Base House from Dec 8-10. Base Hunt invites everyone to participate (either…
Join Base Bootcamp and Learn to Build Onchain
TL;DR: Base Bootcamp is an eight-week, cohort-based program to turn experienced developers into smart contract developers.
Open Sourcing Base’s Contracts and Frontend
One of Base’s core values is building in the open. We believe this is foundational to building an onchain ecosystem because it creates accountability and enables collaboration.
Goerli to Sepolia: Evolving Base’s Testnet Infrastructure
Base is moving our test network from Goerli to Sepolia. This shift isn't just a technical move; it's a stride toward creating a more unified ecosystem.
Embracing Optimism with Pessimism
TL;DR.* We’ve built Pessimism, an open source monitoring system designed to enhance the security of Base (as well as the broader OP Stack and Ethereum ecosystems) by quickly…
Base Mainnet Sep 5th Incident Postmortem
TL;DR. The Base mainnet network briefly stalled on September 5, 2023 (incident). We’re sharing this postmortem as part of our commitment to building Base in a decentralized, open…
Base Ecosystem Fund announces first six investments
TL;DR: The Base Ecosystem Fund, led by Coinbase Ventures, aims to invest in the next generation of onchain projects building on Base. We received over 800 applications for our…
Onchain Summer Highlights
Thanks to everyone who joined us for Onchain Summer, our multi-week celebration of the launch of Base. For 23 days, we were joined by some of the most innovative builders, brands…
Base’s Commitment to Decentralization with the Superchain
TL;DR: Base is an open, permissionless Ethereum L2 incubated at Coinbase with a commitment to decentralization. Base was built on the open source OP Stack in collaboration with…
Base is open for everyone
TLDR: We’re thrilled to announce that Base mainnet is now live and available for everyone. At launch, there are 100+ dapps and service providers available in the Base ecosystem…
It’s Onchain Summer 🟡 and Base is open for bridging
TL;DR: Since we announced Base, our mission has been clear and consistent: bring the next million builders and billion users onchain. Today, we’re thrilled to announce our next…
Base Mainnet is Open for Builders
TL;DR: After completing our launch criteria, Base mainnet is now open for builders ahead of general availability in early August. As a reminder, Base has no plans to issue a…
Base’s Security-First Approach
Base’s goal is to bring the next million developers and billion users onchain. Security is an essential part of this vision. We want to share how we’ve approached security on Base…
The Base Guide to Governance Proposals
Since our testnet launch, dapps and community members have been asking how they can support bringing new products to the Base ecosystem. Many dapps, particularly those governed by…
Contributing to the Scalability of Base and the OP Stack: A Technical Deep Dive
We launched the Base testnet in February to bring the next million developers and billion users onchain. Base is an Ethereum L2 powered by the OP Stack that offers a secure…
Base Beat: Newsletter #3
Action-packed weeks on Base – let’s dive in.
Path to Base Mainnet
TL;DR: Base is gearing up for a mainnet launch with safety and security as our top priorities. Our launch criteria include demonstrated testnet stability, Optimism’s successful…
Introducing Base Camp: Learn Smart Contract Development At Your Own Pace
Tl;dr. Learn smart contract development with Base Camp, a self-paced learning program. You can work through educational content and practical learning exercises, and develop…
Base Beat: Newsletter #2
Short and sweet this week. Here are the latest updates from Base.
Base Beat Debut Edition: Newsletter #1
Welcome to the debut of Base Beat - your fun-sized update on the Base community. Here’s what you need to know this week:
Earn a commemorative NFT with the Base Builder Quest
TL;DR: Base Builder Quest, the first onchain challenge on Base, is now live! Deploy a smart contract on Base to earn a non-transferable, commemorative NFT on Base testnet…
Request for Builders
We recently launched Base, a secure, low-cost, developer friendly Ethereum L2. Our vision is to collectively work towards an ambitious goal: bringing the next billion users…
Decentralizing Base with the OP Stack and Optimism
Tl;DR We believe that decentralization is critical to an open cryptoeconomy. That’s why we will be deploying Base as the second L2 on the open-source OP Stack, following Optimism…
Meet Base
Today, we’re excited to announce the testnet launch of Base, an Ethereum Layer 2 (L2) network offering a secure, low-cost, developer-friendly way for anyone, anywhere, to build…