A working stack from day one.
Our own infrastructure, reusable components and widgets mean the first working version comes early — and the rest is tailoring it to your product.
GGFX CRYPTO
Ship crypto features
in weeks, not quarters.
Swaps, wallets and on-chain monitoring for fintechs and crypto startups. Built on components we’ve already shipped — fixed scope, fixed price.
1.3M+users on tea Protocol’s public testnet
$40M+TVL at MoreMarkets within 2 months of launch
$1.8Bpeak market cap of the Midnight network (NIGHT)
6networks shipped on — EVM to Cardano
01 / WHY GGFXTIME · COST · QUALITY
Faster, because
we’ve built it before.
Most teams start crypto work from a blank repo. We start from a working stack — and engineers who know where the edge cases are.
Pay for your product, not our learning curve.
Proven building blocks and AI-assisted engineering cut the hours. You get a fixed price, agreed in writing before we start.
Engineers own every release.
AI agents speed up the work. Experienced engineers design the architecture, review every change and stand behind what ships.
We don’t reinvent wallets or swap routers. We pick the right tools — Privy, Dynamic, LI.FI, Jupiter, 0x, OpenZeppelin — and make them work properly inside your product.
FOR FINTECH & TRADING TEAMS
Add crypto to a product that already works.
We work alongside your custody and compliance providers — Fireblocks, Zero Hash, Bridge — and integrate wallets, swaps and on-chain data into your existing app without rebuilding it. Real-time, high-traffic interfaces are what we’ve built for years.
FOR CRYPTO STARTUPS
Ship the next feature without growing the team.
We plug in, deliver a defined scope and hand it over — tested and documented — so your core team stays on what makes you different.
02 / PACKAGESSCOPE · TIMELINE · FIXED PRICE
Three packages.
Clear outcomes.
Each package is work we’ve delivered before. You know what ships, when, and what it costs — agreed in writing before we start.
P/01 · SWAP & INTENT INTEGRATION4–6 WEEKS
In-app swaps
that earn.
Let users swap tokens inside your app — at good rates, without ever leaving your product.
Best forwallets, neobanks and dApps that want a new revenue line
- Best-price routing — Jupiter, 0x, 1inch
- Intent-based swaps
- Configurable swap fees — a new revenue line
- Clear transaction status and error handling
- Tests, docs and handover
PRICEFixedquoted after a 30-min call
Discuss this package ↗P/02 · WALLET & SIGNING6–8 WEEKS
Wallet onboarding
that converts.
Connect the wallets your users already have, across chains, with signing flows they can trust.
Best forproducts adding self-custody or multi-chain support
- Multi-wallet, multi-chain support
- Hardware wallet support
- Clear, safe transaction and signing flows
- Onboarding and wallet authentication
- Tests, docs and handover
PRICEFixedquoted after a 30-min call
Discuss this package ↗P/03 · MONITORING & INDEXER3–4 WEEKS + RETAINER
Know first.
Own the data.
Know the moment something happens on your contracts — and own the data behind it.
Best forprotocols and treasuries, including teams moving off OpenZeppelin Defender
- Real-time alerts for your contracts
- Migration off OpenZeppelin Defender
- Custom indexer and API
- Deployed on your infrastructure
- Ongoing maintenance retainer
PRICEFixedquoted after a 30-min call
Discuss this package ↗Need something else? We also build smart contracts, exchange and DeFi integrations and custom widgets — scoped and priced the same way.
Tell us about it ↗03 / PROCESSHOW AN ENGAGEMENT RUNS
From first call
to launch.
Four steps, no surprises. You talk directly to the engineers who build it.
- 01
Intro call
30 minutes. Your product, your goal, and whether a package fits.
- 02
Fixed proposal
Scope, timeline, price and milestones — in writing, before any work starts.
- 03
Build in milestones
Working software and demos as we go. You pay per delivered milestone, not up front.
- 04
Launch & handover
Tests, documentation and a walkthrough for your team. Optional retainer for what comes next.
- Fixed pricequoted after the intro call
- Milestonepayments, not up front
- Your code & IPtransferred to you on payment
- Fiat or USDCVAT invoices from our EU entity
- EU-basedworking with teams in the US and Asia
- Ongoing supportby agreement, after launch
04 / EXPERIENCEWHAT WE’VE BUILT
Built before.
Built for clients.
Wallets, trading, gaming, AI and multi-chain products — plus the real-time and cloud work behind them.
HARDWARE WALLETS
PRIVACY / CARDANO
OPEN-SOURCE / WEB3
MoreMarkets
TRADING / SOLANA ↗
GameSwiftCASE 01
Midnight
Cardano’s privacy partner chain, by Input Output (IOHK).
$1.8Bpeak NIGHT market cap
We built the wallet tooling and reference dApps developers used to start building on Cardano’s privacy chain.
What we delivered
- Frontend infrastructure for the devnet
- Wallet tooling, including adapting the Lace wallet
- Wallet connectors for dApps
- Example dApps for developers building on the devnet
CASE 02
tea Protocol
Open-source protocol co-founded by Max Howell, creator of Homebrew.
1.3M+users · 500k monthly active
We built the wallet sign-in and core flows for a public testnet that onboarded 1.3M+ users.
What we delivered
- Frontend architecture
- Wallet authentication
- Key user flows for a high-traffic public testnet
- Delivery across frontend testnet milestones
CASE 03
MoreMarkets
Multi-chain DeFi yield platform.
$40M+TVL within 2 months of launch
We built the entire frontend of a multi-chain yield platform — from zero to $40M+ TVL in two months.
What we delivered
- The entire product frontend, built from scratch
- A component-driven design system
- Multi-wallet onboarding
- Integrations across EVM, Bitcoin, Solana and XRPL
CASE 04
Ledger
The hardware wallet trusted by millions of crypto holders.
Open sourcewallet software and hardware
We help build the open-source wallet software behind one of the most trusted names in self-custody.
What we deliver
- Work on the open-source parts of Ledger’s wallet
- Across both the software and hardware wallet stack
CASE 05
GameSwift
Web3 gaming platform — a Steam-like home for blockchain games.
dAppplatform for Web3 games
We built a Steam-like home where players discover, launch and play Web3 games — in one dApp.
What we delivered
- A Steam-like platform dApp for Web3 games
- One place for players to discover, launch and play
CASE 06 · CONFIDENTIAL
Trading bots on Solana
High-speed trading bots on Solana.
High-speedtrading on Solana
We build high-speed trading bots on Solana. Details under NDA.
CASE 07 · AI × CRYPTO
Nomy
AI-powered portfolio management, by Biconomy.
AI agentsacting across chains
We built an MVP where AI agents manage portfolios across chains — and every action is clear to the user before it happens.
What we delivered
- The MVP frontend, built from scratch
- A multi-account system across assets and chains
- Agent–UI interaction patterns
CASE 08 · BEYOND CRYPTO
Amelco
White-label sportsbook technology.
Real-timelive odds · in-play betting
We built the frontend framework behind white-label sportsbooks — live odds and high-frequency updates for multiple operators.
CASE 09 · BEYOND CRYPTO
Nordcloud
Cloud consultancy, an IBM company.
AWS · GCP · Azureofficial partnerships
We built cloud-native tools with AWS, GCP and Azure, later consolidated into a large-scale SaaS platform.
Networks we’ve worked with
EVM
Solana
Bitcoin
XRPL
Cardano
OUR STACK
Tools we ship with, every day.
Web3
Solidity
Rust
wagmi- viem
ethers.js
web3.js- Solana web3.js
- Anchor
- Hardhat
- Foundry
WalletConnect- Web3Auth
- xrpl.js
- Cardano / Lace
Frontend & mobile
TypeScript
JavaScript
React- React Native
Next.js
Vite
Tailwind CSS
Storybook
Redux- Zustand
TanStack Query
Backend & data
Node.js
GraphQL- REST APIs
- Indexers
Infra & quality
Docker
GitHub Actions
Vercel
Turborepo
Nx
pnpm
Sentry
PostHog
Datadog
Jest
Testing Library- Playwright
Cypress
Want something similar?
Tell us what you’re building — we’ll tell you how we’d approach it.
05 / RESEARCHPROOF OF WORK
We publish
what we learn.
On-chain data analysis and open prototypes from the GGFX team.
R/01 · DATA REPORTCOMING SOON
~300kpump.fun token launches analyzed
Why block-1 sniping loses after costs.
We bought every launch in the first block — on paper — and measured what fees, tips and curve slippage leave behind.
R/02 · PROTOTYPEIN PROGRESS
Agentwallets for AI agents
How an AI agent should hold a wallet.
Spending limits, scoped permissions, simulation before signing and human approval above a threshold.
GGFX CRYPTO
Tell us what
you’re building.
Book a 30-minute call and leave with three things: whether it’s feasible, which package fits, and a realistic timeline. Not ready for a call? Send us your spec and we’ll reply within 24 hours with a short written teardown.