// smart_contracts · blockchain
Smart contracts that run exactly as written
A smart contract is an agreement written as code. When the conditions are met, it executes itself: no clerk, no middleman, no waiting on someone to push the button. It runs on a blockchain, so every party can see the same terms and nobody can quietly rewrite them after the fact.
We design, write, and audit smart contracts for teams who need the execution to be provable, not just promised. From payment flows and escrow to tokenization and DeFi, we turn business rules into code that does what it says, and we put it through real security review before it ever touches mainnet.
Based in Jönköping, working with companies across Stockholm and the Nordics.
What smart contracts are
A smart contract is a self-executing agreement where the terms are written directly into code. It runs on a blockchain, which removes the need for intermediaries and guarantees transparent, immutable execution the moment the predefined conditions are met.
Unlike traditional contracts, which lean on legal systems and human interpretation, a smart contract executes automatically and exactly as coded. That removes disputes over interpretation and narrows the room for fraud.
Automated execution
Once the conditions are met, the contract acts on its own. No manual handling.
Transparency
Every term and every transaction is open to verify and trace.
Immutability
Once deployed, the logic stays put. Nobody edits it behind your back.
Cryptographic security
Secured by the chain and validated across a decentralized network.
No required trust
Parties don't have to trust each other. The code does the enforcing.
Fewer middlemen
Cut out the layers that slow things down and add cost.
What we build
From the first line of code to audit, integration, and operation. We take smart contracts all the way from business rule to something you can rely on in production.
Design and development
Custom smart contracts built for your specific business rules. We translate complex agreements into efficient, readable code that executes exactly as intended on-chain.
Security audit and optimization
Thorough review and testing to find vulnerabilities and tighten the code. We follow industry best practices and use professional tooling so the contract holds up under attack.
DeFi and tokenization
Decentralized finance apps and tokenization that open up new business models, from lending and swaps to tokenized real-world assets and digital instruments.
Upgradeable contracts
Upgradeable architectures and proxy patterns that adapt to changing needs while keeping security and continuity intact.
Integration and frontend
User-friendly interfaces and integration with your existing systems, so complex on-chain interactions are usable for non-technical people too.
Consulting and training
Practical advice on where smart contracts actually fit in your business, plus training for your team on the fundamentals and how to work with them.
Use cases
Smart contracts fit wherever an agreement needs to be enforced in a predictable, traceable way. Some of the clearest areas:
Supply chains
- Automated payments triggered on delivery of goods
- Proof of authenticity and origin for products
- Automatic inventory management and reordering
- End-to-end product traceability across the chain
Real estate
- Automated lease agreements with conditional payments
- Tokenization of property assets
- Secure and transparent property transfers
- Digitized and automated title deeds
Financial services
- Decentralized borrowing and lending
- Peer-to-peer transactions without intermediaries
- Automated insurance claims
- Derivatives and financial instruments
Legal processes
- Automatic enforcement of contract terms
- Smart escrow agreements between parties
- Digital signatures with blockchain verification
- Certifications and notarization
Healthcare
- Secure management of patient records
- Consent management for clinical trials
- Pharmaceutical supply chain tracking
- Automated payment for healthcare services
Intellectual property
- Automated rights management for creators
- Royalty payments for digital content
- Provable timestamping of original works
- Licensing and usage tracking
Things we have built
Automated insurance for farmers
Smart contracts for parametric weather insurance that pay out automatically based on verified weather data. No manual claims handling, no long processing times.
Outcome: Faster payouts, lower administrative cost, and better access to coverage for small-scale farmers.
Digitized corporate governance documents
A system for managing articles of incorporation, shareholder agreements, and other governing documents on-chain: immutable, transparent, and updated automatically when key conditions are met.
Outcome: Far fewer disputes over document interpretation, faster processing of corporate changes, and an immutable audit trail.
Automated royalties for musicians
A platform where musicians distribute their work and get paid automatically through smart contracts that track plays, license usage, and sales in real time. No distributor in the middle.
Outcome: More revenue reaching the creators, payment times cut from months to seconds, and clearer revenue reporting.
Decentralized identity management
A consortium system where users control their own digital identity through smart contracts that selectively reveal verified details without exposing sensitive personal data.
Outcome: No leaks of personal data, much lower identity fraud, and a smoother experience for digital signing and verification.
// faq
Frequently asked questions
How secure are smart contracts?
A smart contract is as secure as its code. The chain gives you strong cryptographic guarantees underneath, but a bug in the contract is still a bug, and on-chain it can be expensive. That is why we apply rigorous security practices: thorough code review, formal verification where it fits, and third-party audits before anything goes live. The goal is a contract that holds up under real adversarial pressure, not one that just compiles.
Can smart contracts integrate with our existing systems?
Yes. We build bridges between traditional systems and the chain using APIs, oracles, and custom integrations. You get the benefit of smart contracts without ripping out your infrastructure. The integration can happen gradually, running alongside what you already have.
How are changes handled after a contract is deployed?
Smart contracts are immutable once deployed, but that does not mean you are stuck. We use upgradeable architectures, proxy patterns, and modular designs that allow change while keeping security and transparency. For critical systems we can also build governance mechanisms so upgrades happen through an agreed, on-chain process rather than a single person's decision.
Which blockchain platforms do you build on?
We are platform-agnostic and pick the chain based on what your project actually needs. For many cases that means Ethereum, BNB Chain, or another L1. For private or consortium setups we can use Hyperledger Fabric or R3 Corda. We keep up with a fast-moving space and recommend the right platform for your needs on performance, cost, and fit, not whatever is trending.
How long does smart contract development take?
It depends on complexity. A simple contract can be built and tested in 2-4 weeks; a more involved system with integrations and custom interfaces usually runs 2-6 months. We work in an agile way with regular deliveries and demos, so you see progress continuously and can steer along the way.
Ready to automate your agreements?
Tell us what the agreement needs to do, and we will look at where smart contracts actually cut lead time and cost, and where they don't. You get a concrete proposal back.