goodmorning | The Web3 Development Studio

No more half-measures: How Ambire & goodmorning shipped a next-gen Web3 browser extension

Knowledge Background

TL;DR

Ambire had already shipped web and mobile wallets. But power users - crypto degens, whales, and those who live on-chain - were used to browser extensions. That's where we came in. Together, we built a next-gen wallet extension that was EIP-7702-ready from day one; truly cross-chain and loaded with powerful features. The results in the first 3 months speak for themselves: 3,500+ installs (Chrome & Firefox), $50M in TVL, and a product that's already turning heads at major crypto conferences.

Client/Product

Ambire/Wallet Browser Extension

Project Duration

  • 2023 – now

Product link

https://www.bit.ly/AmbireChromeExtension

Provided services

  • Browser extension development
  • Smart contract development
  • Back-end development

About the product

The Ambire browser extension is a fast, secure, and privacy-first Web3 wallet made for power users across Ethereum and other EVM networks. It’s one of the first browser wallets to natively support both EOAs (like MetaMask) and smart accounts in one interface. Fully self-custodial, open-source, and audited over 10 times with no critical vulnerabilities found, the extension delivers a high-performance experience with built-in swap, bridge, hardware wallet support, as well as advanced privacy protections.

Ambire logo
Ambire extension

The challenge

Ambire's team had already shipped web and mobile wallets with our help. The web wallet was their proof of concept, while the mobile app was one of the first to bring true smart account features on the go. So, it came naturally to take the next step - to develop a browser extension for the needs of experienced crypto degens who demand instant speed, deep flexibility, advanced, secure features, and seamless cross-chain functionality. This was a whole new product in Ambire's portfolio, and we were determined to make it outperform other solutions on the market. To keep things interesting, we had a five-month runway to get the first release ready for a conference. No pressure.

But then the challenge became even bigger for us. It was notoriously hard to build, especially with the need to support both EOAs and smart accounts, meet EIP-7702 standards, and remain resilient to market chaos or infra outages.

“We approached the extension not just as another wallet, but as a technical playground to push the boundaries of what’s possible in Web3 UX. Every decision - code reuse, cross-chain logic, privacy features - was about building something flexible, secure, and future-proof for the most demanding users.”
Kaloyan Kosev

Kaloyan Kosev

Web3 Technical Lead Engineer

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The solution
(Let's get technical)

After a very extensive R&D phase, it was time to build. We didn't start from scratch, however. We reused and abstracted code from the mobile app, proving our cross-platform chops. (Yes, we helped build the web and mobile wallets as well.) We worked in tight cycles: regular roadmap sessions, rapid user interviews, and constant iteration.

Working side by side with Ambire's team (and our crew: Borislav Itskov, Kaloyan Kosev, Jordan Enev, Simeon Petkov, Petromir Petrov, and Gergana Mihaylova), we engineered an extension for both Chromium-based and Gecko (Firefox) browsers that sets a new standard for Web3 wallets.

What makes the Ambire
extension a standout in Web3?

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EIP-7702 support

Ambire is among the first wallets to empower EOAs with smart account features, right from Pectra hardfork.

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Security at the core

Fully open-source, self-custodial, and audited over 10 times. Hardware wallet support for ultimate protection.

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Advanced on-chain transaction simulation

See your future wallet balance before you hit “Send.” No more surprises.

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Built-in swap & bridge

Swap and bridge tokens in-app. Bundle actions into a single transaction and skip annoying ERC-20 approvals.

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Cross-chain gas payments

With the Ambire Gas Tank, pay gas in stablecoins, native, or ERC-20 tokens. Top up on one chain, pay on another, cashback included.

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Blazing performance, proven in the wild

Ambire doesn't rely on third-party APIs for core wallet functions. Our custom batch RPC logic (built using Ivo Georgiev's eth_call trick from EIP-6492) delivers real-time portfolio, NFT, and simulation data.

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Truly cross-chain, zero friction

Any new EVM network can be added easily. If it has a working RPC, it works out of the box, ready for the next-gen light client era.

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Our tech stack

TypeScript, React, React Native Web, Ethers.js, web3.js, Jest, Puppeteer, Playwright, and SDKs for Ledger, Trezor, and GridPlus.

"These guys didn't just build another wallet - they delivered a resilient, private, and high-performance extension that's already winning over the toughest users in crypto. And that was our core idea."
Ivo Georgiev

Ivo Georgiev

Founder & CEO

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The final result

The Ambire browser extension launched officially on May 8, 2025, and immediately started gaining traction among power users. With 3500+ installs through the Chrome Web Store in the first 3 months and $50 million total value locked, it's a testament that it was built for the users who set the pace in Web3. Early feedback from crypto conferences worldwide has been positively encouraging, confirming that Ambire's focus on security, performance, and user-centric features is resonating with its target audience.

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3500+ installs

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$50 million TVL

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Live on Chrome & Firefox

Ready to set a new standard for Web3 wallets?

Need the right team to bring your boldest ideas to life? Let’s build something game-changing together.

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