Crypto Wallet & Custody Development in Sejong, South Korea: overview
Government administrative city. That mix of activity is exactly where crypto wallet & custody development projects usually start.
Non-custodial, custodial and MPC wallets for consumers, exchanges and institutions. Delivered remotely from India with afternoon KST overlap with our mornings.
Sejong at a glance
Business districts
Most of the activity in Sejong is concentrated in the government complex. We regularly support companies based in these areas.
Economy and key industries
Government administrative city. These sectors drive most of the software demand we see in Sejong.
Talent and universities
Korea University Sejong. Local teams often pair with our engineers in India to add capacity and specialist skills.
Connectivity and infrastructure
KTX access. We plan hosting, latency and integrations with this in mind.
Why Sejong companies invest in software
With government administrative city, businesses in Sejong face growing pressure to digitise operations, serve customers online and integrate with partners. The most common requests we receive from Sejong are crypto wallet & custody development.
Because Sejong draws talent from Korea University Sejong, many companies here run lean in-house teams and use NNT Software to add product engineering, QA, DevOps or AI skills on demand — with delivery scheduled around KST (UTC+9) working hours.
How we would approach a project in Sejong
- Start with the workflows that matter most to government administrative city — usually policy engine and multi-chain support.
- Meet stakeholders in the government complex or online for a one-to-two-week discovery workshop.
- Plan hosting and integrations around kTX access and the KST (UTC+9) working day.
- Combine your local team — often hired from Korea University Sejong — with NNT engineers for design, development and QA.
- Release in two-week sprints and review results with your Sejong team every fortnight.
How Sejong businesses use crypto wallet & custody development
Policy engine
Whitelists, limits and multi-approver workflows for treasuries. E-commerce companies in Sejong usually prioritise this first, tracking progress on checkout conversion and stock accuracy.
Multi-chain support
BTC, ETH, EVM L2s, Solana, Tron and stablecoins. E-commerce companies in Sejong usually prioritise this first, tracking progress on checkout conversion and stock accuracy.
dApp connectivity
WalletConnect, swaps, staking and NFT views. E-commerce companies in Sejong usually prioritise this first, tracking progress on checkout conversion and stock accuracy.
Compliance hooks
Address screening and travel-rule integration. E-commerce companies in Sejong usually prioritise this first, tracking progress on checkout conversion and stock accuracy.
Non-custodial wallets
Seed-phrase and social-recovery wallets for iOS, Android and browser. E-commerce companies in Sejong usually prioritise this first, tracking progress on checkout conversion and stock accuracy.
MPC custody
Threshold signatures with no single point of key compromise. E-commerce companies in Sejong usually prioritise this first, tracking progress on checkout conversion and stock accuracy.
What crypto wallet & custody development includes for Sejong clients
Policy engine
Whitelists, limits and multi-approver workflows for treasuries.
Multi-chain support
BTC, ETH, EVM L2s, Solana, Tron and stablecoins.
dApp connectivity
WalletConnect, swaps, staking and NFT views.
Compliance hooks
Address screening and travel-rule integration.
Non-custodial wallets
Seed-phrase and social-recovery wallets for iOS, Android and browser.
MPC custody
Threshold signatures with no single point of key compromise.
Hosting for Sejong projects
For low latency in Sejong and compliance with Personal Information Protection Act, we usually recommend AWS ap-northeast-2 (Seoul), Azure Korea Central, Google Cloud Seoul.
Localising crypto wallet & custody development for Sejong
Business in Sejong is mainly conducted in Korean. We build interfaces, notifications and documents ready for those languages, and plan releases around the KST (UTC+9) working day.
Crypto Wallet & Custody Development pricing for Sejong
Priced as per your requirements and budget, quoted in KRW or USD, after a free discovery call.
Working with a Sejong team
We work with afternoon KST overlap with our mornings (KST (UTC+9)). You get a named project manager, weekly demos and written status reports.
Next steps
Ready to discuss crypto wallet & custody development in Sejong? Here is how to get started with NNT Software:
- Share your goals, users, must-have features and timeline through the contact form, email or WhatsApp.
- Join a free 30-minute discovery call with a solution architect — we sign an NDA first if you prefer.
- Receive a written proposal within 48 hours: scope, milestones, team, timeline and fixed estimate.
- Kick off with a discovery workshop and see working software in your first sprint demo.