Hurain Technologies
Blockchain & Web3 · Västerås, Sweden

Blockchain & Web3 in Västerås

Västerås is the city in Västmanland, Sweden, home to around 132,000 people. For Västerås businesses investing in blockchain & Web3, the details matter: blockchain is only worth using when shared, verifiable state or programmable assets solve a real problem — settlement, ownership, transparency or interoperability. We start by testing that fit honestly and recommend a conventional database when it's the better tool.

Quick answer

Who provides Blockchain & Web3 services in Västerås?

Hurain Technologies provides blockchain & Web3 for companies in Västerås, Sweden: 24/7 support in Västerås time, milestone-based delivery with sign-off at every stage, and builds that support Swish and Klarna, VAT and the EU General Data Protection Regulation (GDPR).

Stockholm, Sweden
Stockholm, SwedenPhoto: Wikimedia Commons

Overview

Blockchain & Web3 for Västerås businesses

Blockchain products touching Sweden customers must account for local virtual-asset rules and the expectations of Finansinspektionen, AML/sanctions screening and the EU General Data Protection Regulation (GDPR). We pair on-chain contracts with off-chain KYC gating, travel-rule data and audit trails so the product can pass banking-partner and regulator reviews.

Our engineering team works remotely from India for Västerås clients — india (ist) is 3h 30m ahead — with one project manager as your single point of contact, fortnightly demos and full source-code ownership from day one.

When on-chain is right, security dominates: contracts are immutable and hold real value. Our contracts follow audited standards (OpenZeppelin), are covered by unit, fuzz and invariant tests, and are reviewed internally before an independent audit.

For regulated businesses we pair on-chain logic with off-chain controls — KYC-gated access, travel-rule data, transaction monitoring and custody policies — so the product can pass licensing and banking-partner reviews.

Why blockchain & Web3 matters in Västerås

  • Västerås businesses compete for customers who compare them against the best digital experiences in Sweden and abroad.
  • Customers in Västerås pay with Swish, Klarna and BankID-verified payments, so local payment integration is not optional.
  • A focused local market rewards products tailored to how Västerås customers actually buy and communicate.

What we build

Blockchain & Web3 features we deliver in Västerås

Blockchain is only worth using when shared, verifiable state or programmable assets solve a real problem — settlement, ownership, transparency or interoperability. We start by testing that fit honestly and recommend a conventional database when it's the better tool.

Smart contracts

Solidity and Rust contracts with tests, gas optimisation and upgrade strategy.

Tokens & stablecoins

ERC-20/SPL tokens, mint/burn controls, allow-lists and reserve reporting.

Wallets & custody

Non-custodial, custodial and MPC wallets with policy engines.

Tokenisation & NFTs

Real-world-asset tokenisation, NFT marketplaces and on-chain ownership records.

dApp front ends

Wallet connection, transaction UX and indexers for fast on-chain data.

Compliance tooling

KYC gating, travel rule, blockchain analytics and audit trails.

Common blockchain & Web3 projects in Västerås

Crypto exchanges & payments

Deposit/withdrawal rails, order books and merchant crypto payments.

Real-world asset tokenisation

Real estate, funds and commodities represented on-chain.

Loyalty & ticketing

Tokenised rewards and verifiable tickets.

Supply-chain provenance

Tamper-evident records shared between partners.

Localised for your market

What a blockchain & Web3 project in Västerås must get right

Currency, tax, payments, data protection and language — built into the product from the first sprint.

24/7 support in Västerås

Västerås is on UTC+2 (Europe/Stockholm). Our team works 24/7, so every Västerås business hour — and any out-of-hours incident — is covered.

Payments & currency

Pricing and settlement in SEK with Swish, Klarna, BankID-verified payments and Cards, reconciled automatically against your PSP and bank statements.

Tax & invoicing

Sweden applies VAT (moms) 25%. Your product's receipts, invoices and reports are built to show it correctly.

Data protection

Customer data from Västerås is handled under the EU General Data Protection Regulation (GDPR): consent records, encryption, access logs and in-region hosting where required.

Cost & timeline

How much does blockchain & Web3 cost in Västerås?

Cost depends on contract complexity and audit scope, chain(s) and bridges and custody model (MPC, HSM, non-custodial). Västerås companies working with our India-based team typically pay considerably less than local agency rates for the same seniority. Share your requirements and we return a fixed-scope estimate within 5 business days.

What drives the price

  • Contract complexity and audit scope
  • Chain(s) and bridges
  • Custody model (MPC, HSM, non-custodial)
  • Compliance integrations
  • Indexing and data needs
  • Exchange or liquidity integrations

How long does it take?

Delivery time is agreed around your scope — after discovery you get a milestone plan tailored to your requirements, integrations and how quickly decisions are made on your side. Discovery can begin within 5 business days of a signed proposal.

Our delivery process

  1. 1

    Fit & design

    Use-case validation, chain selection, token model and threat model.

  2. 2

    Contracts

    Contracts, tests and internal security review.

  3. 3

    Platform build

    Back end, wallets, indexers, admin and front end.

  4. 4

    Audit & testnet

    Independent audit, fixes and public testnet.

  5. 5

    Mainnet & operate

    Launch, monitoring, incident response and upgrades.

Delivery

Working with Hurain Technologies from Västerås

24/7 availability & communication

Our team works 24/7, so stand-ups, demos and urgent fixes happen during your Västerås business day (UTC+2), and work keeps progressing while you are offline. Everyday collaboration runs on Slack or Microsoft Teams, Jira and GitHub, with a demo of working software every two weeks.

Kick-off & delivery timeline

Discovery can start within 5 business days of a signed proposal. Milestones and delivery time are then agreed around your requirements, and every milestone ends with your written sign-off.

Response times after launch

Response times are written into a support SLA before launch: our team is available 24/7, critical production issues get immediate attention from an on-call engineer, and routine tickets are handled around the clock.

Meetings & site visits

Most engagements run fully remote over video. Workshops and go-live visits to Västerås can be arranged for larger programmes.

Technology we use

Chains

  • Ethereum
  • Polygon / Base / Arbitrum
  • Solana
  • Hyperledger Fabric

Contracts

  • Solidity
  • Foundry / Hardhat
  • Rust / Anchor
  • OpenZeppelin

Infra

  • The Graph / custom indexers
  • MPC custody providers
  • Node providers

Apps

  • Next.js
  • wagmi / viem
  • Node.js

Standards we build to

  • Virtual-asset licensing regimes (e.g. MiCA, VARA)
  • FATF travel rule
  • AML/CFT and sanctions screening

How we work

How we deliver Blockchain & Web3 in Västerås, Sweden

Every blockchain & web3 engagement in Västerås, Sweden follows the same staged, quality-gated process — shaped around your requirements and Västerås's market. You see progress every day, review it every week, and give written sign-off at every milestone before any payment is due.

  1. 01

    Discover

    Quality gate
    • Token & protocol workshops
    • Chain & custody selection
    • Regulatory scoping
    • Signed scope
  2. 02

    Design

    Quality gate
    • Contract architecture
    • Tokenomics & access roles
    • Key management design
    • Threat model
  3. 03

    Build

    Quality gate
    • Solidity / Rust sprints
    • Testnet deployments
    • Gas optimisation
    • Demo every sprint
  4. 04

    Secure & Test

    Quality gate
    • Unit, fuzz & invariant tests
    • Independent audit coordination
    • Audit fixes verified
    • UAT on testnet
  5. 05

    Deploy

    Quality gate
    • Mainnet deploy via multisig
    • Contract verification
    • Monitoring & alerts
    • Go-live checklist
  6. 06

    Handover

    Quality gate
    • Role-based sessions
    • Recorded walkthroughs
    • Admin & ops runbooks
    • Documentation handover
  7. 07

    Support

    Quality gate
    • Dedicated engineer
    • SLA helpdesk
    • Patches & upgrades
    • Quarterly reviews

Client sign-off at every milestone — you approve the working result before you pay.

You always know what was done today — and what happens next

With about 6.5 shared working hours a day between Västerås and our team in India, questions are answered the same day and your update is waiting for you at around 3:30 PM.

01Daily update

Every working day, around 3:30 PM Västerås time

  • What was completed today
  • What is planned for tomorrow
  • Blockers and decisions needed from you
  • Links to builds you can try
02Weekly work overview

Every Friday, with a live call in your business hours

  • Features completed and demo recordings
  • Progress against the current milestone
  • Risks, open questions and change requests
  • Plan and priorities for next week
03Sprint demo & milestone review

End of every sprint and milestone

  • Working software demonstrated live
  • Your feedback captured in the backlog
  • Quality-gate checklist shared
  • Written sign-off before any payment

What we build in for Västerås

Local requirements are part of the scope from the Discover stage — not retrofitted before launch.

Data protection

Data handling, consent and retention designed for the EU General Data Protection Regulation (GDPR).

Regulator

Controls, reports and audit trails prepared with Finansinspektionen expectations in mind, alongside your local counsel.

Language & currency

Swedish interfaces and content, SEK pricing, invoices and number formats.

Time zone

Västerås is on UTC+2; India (IST) is 3h 30m ahead. Calls, demos and sign-offs are scheduled in your business hours.

Payment plan

Pay only for work you have accepted

Milestones are customised to your requirements — six or more is typical, and delivery time is agreed around your scope. Every payment after the advance is released only after you have seen the working result and given written sign-off. Here is an example plan:

PaymentMilestone & acceptanceShare
Advance

Contract signing

Signed contract; protocol workshops and chain selection.

10%
Milestone 1

Architecture approved

Contract architecture, tokenomics and threat model signed off.

15%
Milestone 2

Testnet v1

First contracts deployed and demonstrated on testnet.

15%
Milestone 3

Feature-complete testnet

All contracts, dApp and admin flows running end to end.

15%
Milestone 4

Audit passed

Independent audit done; every finding fixed and re-verified.

15%
Milestone 5

Mainnet launch

Multisig mainnet deployment and contract verification.

15%
Milestone 6

Handover

Monitoring, runbooks, training and documentation handed over.

15%
Total100%
90% of your payment is released only after you accept working modules
0%20%40%60%80%100%StartM1M2M3M4M5M6
Cumulative payment Work delivered & accepted
  • Number of milestones and splits set around your scope
  • Every milestone is a working, demonstrated result
  • No payment is due until you sign off

Warranty & annual support

Protected after launch — warranty and annual support for your Blockchain & Web3 project in Västerås, Sweden

Go-live is where your blockchain & web3 product starts earning — so we stay accountable for it. Every project includes a free 90-day defect warranty. After that, the same team that built it keeps it secure, updated and running in Västerås business hours on a fixed annual fee agreed up front — no open-ended hourly billing, no surprise invoices.

Included free

90-day warranty

Any defect found in the first 90 days after go-live is fixed free of charge.

  • Every delivered feature covered
  • Fixes tested and deployed to production
  • Same engineers who built it

Fixed-cost annual package

30% of project cost

per year for Annual Support & Maintenance, with a dedicated developer assigned to your blockchain & web3 platform. A fixed price, known in advance.

ServiceIncluded in the annual package
Dedicated developerOne named developer assigned to your product for fixes, enhancements and optimisation.
Bug fixes & security patchesCritical issues resolved within 24 hours; standard issues within 5 business days.
Upgrades & new releasesFramework, library and platform updates plus new versions of what we built, at no additional cost.
HelpdeskEmail and phone support for your team and administrators; 4-hour response for critical issues.
Backup monitoringDaily backup checks and a quarterly restore test.
Security reviewPeriodic audit-trail review and security configuration check.
On-chain monitoringContract events, admin actions and unusual transactions watched with alerts.
Network & node upgradesHard forks, RPC and library changes tracked; contract upgrades run through the multisig.
Västerås business-hours coverageHelpdesk, calls and planned maintenance scheduled around Västerås business hours (UTC+2); critical issues escalated immediately.
Local compliance updatesChanges to the EU General Data Protection Regulation (GDPR) and Finansinspektionen guidance tracked and reflected in the product.

Source code & IP ownership

100% of the source code and IP is owned by you

For every custom blockchain & web3 project in Västerås, Sweden, upon full and final payment the complete source code and intellectual property are transferred to you — so you can host, maintain and enhance the system with any developer.

  • Smart-contract source, tests and deployment scripts
  • Contract ownership and multisig admin keys transferred to you
  • Audit reports and dApp / admin source code
  • Complete Git repository with full commit history
  • Database schemas, migrations and seed data
  • Configuration, CI/CD and deployment scripts
  • API documentation and a deployment guide

No lock-in

No forced upgrades

No subscription trap

Your code lives in your own repository from the first commit.

Continuous enhancement

Launch is just the beginning — keep shipping with your own dedicated team

Your blockchain & web3 platform should get better every month, not stand still after go-live. Start with one dedicated developer working on your priorities across apps, dashboards and backend — and grow to a full team of developers and support members whenever your roadmap demands it.

Dedicated team, your way

From one developer to a full team

Pricing is based on the team members you need — tell us your requirements and we will quote your team.

  • Start any time after launch
  • Hire developers as you need them
  • Scale up, scale down or pause

What your team can take on after launch

  • Upgradeable contract releases through your multisig
  • Gas optimisation of high-traffic functions
  • Layer-2 and cross-chain deployments
  • New contracts, tokens or chains
  • dApp and admin-panel improvements
  • New wallet, bridge and exchange integrations

Need more hands? Add developers and support members as your requirements grow

Start with one person and add only the roles your blockchain & web3 roadmap needs — each is quoted to your requirements.

Development team

  • Smart-contract auditor

    Reviews every contract change before it is deployed.

  • Smart-contract developer

    Writes, tests and upgrades contracts in Solidity or Rust.

  • dApp developer

    Builds the wallet-connected web interfaces for your contracts.

  • Backend developer

    Adds the APIs, business logic and data models behind new features.

  • QA engineer

    Writes and runs manual and automated tests before every release.

  • DevOps engineer

    Keeps pipelines, environments and deployments fast and reliable.

Support team

  • L1 helpdesk support executive

    First contact for your users and staff — logs, triages and resolves common issues.

  • L2 technical support engineer

    Investigates bugs, data issues and integrations, and escalates to developers with full context.

  • On-chain operations support

    Watches contracts, gas balances and admin transactions.

  • Wallet & transaction support

    Helps users trace stuck, failed or mis-sent transactions.

Our Approach

Our approach to development methodologies

Our approach to custom software engineering draws on a range of methodologies, each selected to match the needs of your blockchain & Web3 project and your team in Västerås, Sweden.

Agile Scrum

Best for: Evolving products

Two-week sprints with a working demo at the end of each, so blockchain & Web3 priorities can change as you learn from users.

Kanban

Best for: Continuous delivery & support

A visual flow of small tasks with work-in-progress limits — ideal for maintenance, integrations and post-launch improvements.

Fixed-scope (Waterfall-style)

Best for: Well-specified builds

Requirements signed off up front with a fixed timeline and price — best when scope is clear and change is unlikely.

Lean MVP

Best for: New ventures

Build the smallest blockchain & Web3 release that proves demand, measure it with real users, then invest where the data points.

DevOps & CI/CD

Best for: Every project

Automated tests, infrastructure-as-code and push-button deployments so releases are frequent, reversible and boring.

Security-by-design (DevSecOps)

Best for: Regulated & high-value systems

Threat modelling, dependency scanning and code review built into each sprint rather than a pen test at the end.

Why we're different

What sets Hurain Technologies apart for Sweden businesses

Plenty of agencies can build blockchain & Web3. Here is what sets us apart for clients in Västerås, Sweden.

01

Engineering depth, not a reseller

Your blockchain & Web3 project is designed and built by our own in-house engineers — no hidden subcontracting chain between you and the people writing code.

02

Built for Sweden, not copied from elsewhere

Payments, tax, language and data-protection requirements for Sweden are part of the design from day one instead of retrofitted after launch.

03

Transparent, senior-led delivery

A named project lead, a shared backlog, fortnightly demos and direct Slack access to the engineers — you always know what is being built and why.

04

Cost advantage without cutting corners

Delivering from India gives clients in Västerås, Sweden senior engineering at a fraction of typical onshore agency rates, with the same code-review, testing and security standards.

05

You own everything

Source code lives in your repository from the first commit; IP, infrastructure accounts and documentation transfer to you in full.

06

We stay after launch

Monitoring, updates and a support SLA mean the team that built your product is the team that keeps it running.

Flexible engagement models

How we work with businesses in Västerås, Sweden

Ways to work together, depending on how your team and roadmap are set up.

Model 01

Dedicated Development Team

An extended team of blockchain & Web3 engineers, QA and architects working exclusively on your product, managed day-to-day by you with our engineering leadership behind them.

Best for: Long-term products and evolving roadmaps

Model 02

Fixed-Cost Delivery

A clearly scoped blockchain & Web3 build with a defined timeline and price — ideal for a well-specified MVP, integration or launch product.

Best for: MVPs and clearly defined projects

Model 03

Hybrid Engagement

Keep product and regulatory decisions close to your Sweden team while our specialists handle deep engineering remotely, with workshops or on-site visits at key milestones.

Best for: Enterprises and regulated businesses

Why businesses choose us

Why businesses choose Hurain Technologies

  • 16+ years of engineering depth

    Custom software engineering with in-house teams across web, mobile, cloud, AI, payments and blockchain.

  • Security-first by default

    Encryption, least-privilege access, audit logs — and MPC/HSM custody and audited smart contracts where money is on-chain — designed in, not retrofitted.

  • Regulatory-aware architecture

    Designed with Sweden's regulatory direction in mind and built alongside your licensed local legal counsel.

  • Direct access, no layers

    Direct Slack or Teams access to your development team during the build, and the same people for post-launch support.

Business benefits

What you gain in Sweden

Faster time to market

An experienced blockchain & Web3 team with proven components means your first release ships in weeks, not quarters.

Security-first architecture

Secure from day one, rather than patched after an audit or incident.

Aligned compliance groundwork

Controls, logs and data handling built around Sweden's requirements so reviews go faster.

Lower total cost of ownership

Clean, documented, tested code that your own team can maintain — plus post-launch monitoring and support.

FAQ

Blockchain & Web3 in Västerås: frequently asked questions

Do you have developers available for Västerås projects?

Yes. Our team works remotely with Västerås clients and is available 24/7. You get a dedicated project manager, direct access to engineers and fortnightly demos.

How much does blockchain & Web3 cost in Västerås?

Cost depends on contract complexity and audit scope, chain(s) and bridges and custody model (MPC, HSM, non-custodial). Västerås companies working with our India-based team typically pay considerably less than local agency rates for the same seniority. Share your requirements and we return a fixed-scope estimate within 5 business days.

How long does it take to build a blockchain & Web3 solution for a Västerås business?

Delivery time is agreed around your scope — after discovery you get a milestone plan tailored to your requirements, integrations and how quickly decisions are made on your side. Discovery can begin within 5 business days of a signed proposal.

Can you meet us in Västerås?

Most work runs over video calls. For larger programmes we can arrange on-site workshops or go-live visits in Västerås.

Which payment methods will the product support in Västerås?

Swish, Klarna, BankID-verified payments and Cards — plus cards and international wallets where your customers need them.

Which blockchain should we build on?

Ethereum layer-2s (Base, Arbitrum, Polygon) suit most EVM products for low fees and tooling; Solana suits high-throughput consumer apps; permissioned chains suit consortium use cases. We choose based on users, liquidity and compliance needs.

Are your smart contracts audited?

We test extensively and review internally, then coordinate an independent third-party audit before mainnet for any contract holding meaningful value.

Planning a blockchain & Web3 project in Västerås?

Tell us what you're building. You'll get a scoped plan, timeline and fixed estimate within 5 business days.