GAGA Menjačnica
A fast Next.js platform for a currency exchange and gold & silver dealer in Novi Sad.
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Client work and showcase projects.
We show client projects with our clients' permission. Showcase projects are our own work, built to show what we do, and always labelled as such.
Client work · 3
RCIID
A platform for an Austrian blockchain forensics firm that presents crypto transaction tracing to lawyers, authorities and victims.
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Sisak Green
A bilingual (DE/EN) investor platform for an industrial waste-to-energy project in Croatia.
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sigmacode Assistant
A multilingual sales and knowledge assistant that only knows this website's content. Answers stream in your language.
Try it liveDocument Q&A with citations
Upload a PDF or paste text and ask questions. Every answer links back to the exact passages it's based on.
Try it liveInvoice data extractor
Turn an invoice PDF or photo into validated, structured data — table, JSON and CSV export.
Try it liveSmart Contract AI Reviewer
Paste Solidity or pick one of our showcase contracts and get a structured, severity-ranked security pre-review.
Try it liveOn-chain demo (Sepolia)
Connect a browser wallet on the Sepolia testnet, mint a free NFT and run a two-milestone escrow step by step.
Try it liveMilestone Escrow
The client locks the full budget up front, split into milestones. Funds move only on release, arbiter decision or cancellation.
View detailsToken + Vesting + Staking
A capped ERC-20 with gasless approvals, vesting schedules with cliff for team and investors, and Synthetix-style staking rewards.
View detailsSigmaNFT Collection
A fair NFT launch: allowlist and public phases, per-wallet limits, immutable max supply, ERC-2981 royalties and a delayed reveal.
View detailsGold-Backed Token (RWA)
Backing becomes a precondition of minting: tokens can only be minted if the reported gold reserve covers the new total supply.
View detailsSigmaGovernor DAO
Holders delegate, propose and vote; successful proposals are queued in a timelock and executed only after a delay.
View detailsSubscription Manager
Merchants create plans, subscribers approve once, and a keeper charges each period — funds flow directly to merchant and payees.
View detailsSigmaVault (ERC-4626)
Users deposit an asset, receive shares and redeem them for their pro-rata part of the pool — compatible with every ERC-4626 integrator.
View detailsHave a project in mind?
Tell us what you're building. You get an honest assessment, a clear scope and a fixed-price or milestone proposal, usually within a few working days.
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