“One of the pioneering firms in web3 solutions, digital assets and tokenization, recognized for its innovation and solid reputation across Spain and Latin America.”
Jorge CorredorLawyer, Rincón Cuéllar & Asociados
We are your blockchain development company in South Korea
We build blockchain products for companies in South Korea with our in-house team, starting from how the country separates virtual asset provider registration from the new tokenized securities regime.
Tell us about your project
Blockchain development in South Korea, from idea to production
We turn your use case into a product that can be launched, operated and extended. A single team designs the architecture, writes the contracts and integrates them with your systems.
Tell us what you want to buildThe Korean framework, from the architecture
We separate the virtual asset service from the securities issue, because registering as a provider does not allow you to broker tokenized securities. If the product touches fiat currency, the real-name bank account is part of the design from the start.
Smart contracts ready for review
We build your business logic with tests and peer review, and prepare the code for an external audit and a gradual deployment before it reaches production.
In English, with meetings at your hours
You work in English, or in Spanish if your team prefers, with the people who design and write the code. Meetings are set in Korean business hours, and the rest moves forward in writing.
A foundation that can evolve
We document the code and plan deployments and monitoring, so your team can maintain the product and extend it on a foundation it understands.
Services
Blockchain development services in South Korea
We cover the full Web3 product lifecycle, from idea and MVP through to mainnet, audits and maintenance.
Connect your operations
Represent assets and rights
Use cases
Blockchain use cases in South Korea
South Korea already inspects red ginseng before sale, treats fractional music royalties as securities and is preparing a distributed ledger for its securities; these cases build on that.
Securities on a distributed ledger
The reform passed in January 2026 recognises distributed ledgers for securities records, with the KSD depository in the infrastructure and main provisions expected from 4 February 2027.
Blockchain for Banking & Finance
Fractional music royalties
In April 2022 the securities commission concluded that rights to royalties from specific songs, split into units, are investment contract securities.
Blockchain for Music & Media
Red ginseng inspection
The Ginseng Industry Act requires red ginseng made for sale or export to be inspected, including the age of the root, and its packaging marked with the inspection seal.
Blockchain for Agribusiness
Logistics in Busan
In July 2019 Busan was designated a regulation-free zone for blockchain, with a logistics system among its projects alongside tourism, public safety and digital vouchers.
Blockchain for Supply Chain & Logistics
Technologies we build blockchain with in South Korea
Our stack covers every layer of your product: smart contracts, blockchain networks and integration with your systems. It is what we use to build, test and deploy software tailored to your business.
- Solidity
The smart contract language for verifiable rules on EVM networks.
- Rust
Performance and memory safety for contracts, nodes and Web3 tooling.
- Ethereum
EVM contracts, tokens and final settlement on an open Proof of Stake network.
- Hardhat
An environment to compile, test and deploy contracts on EVM networks from Node.
- Foundry
Solidity tests, invariant fuzzing and command-line tooling for EVM networks.
- Chainlink
Oracles for external data, randomness and cross-chain messaging for contracts.
- Polygon
Polygon PoS: EVM contracts secured by its own validators, with low fees.
- Solana
Programs, accounts and parallel execution on a high-throughput layer 1.
- OpenZeppelin
Audited Solidity contracts for tokens, access control and upgradeable systems.
South Korea: FSC · KoFIU
Blockchain regulatory framework in South Korea
In South Korea, virtual asset service providers (VASPs) register with KoFIU, and since July 2024 the Virtual Asset User Protection Act has required them to protect their customers' deposits and assets; registration requirements were tightened on 20 August 2026. Tokenized securities are a separate framework: the reform passed in January 2026 recognises distributed ledgers for securities records, with its main provisions expected to apply from 4 February 2027 and the implementing rules under consultation. Neither regime on its own authorises issuing stablecoins.
See blockchain regulation in South KoreaKorean framework
Milestones enabling blockchain in South Korea
The dates that shape customer protection for virtual assets, provider registration and the new tokenized securities regime in South Korea. Each milestone links to its source.
See the regulation guide for South KoreaUser protection law takes effect
Virtual asset safeguarding and conduct obligations apply.
FSC · User protection law takes effectSecurities reform passed
The National Assembly passes electronic registration and capital markets amendments.
FSC · Securities reform passedStrengthened VASP registration
New entry requirements apply, separately from deferred transfer measures.
FSC · Strengthened VASP registration
Reviews in South Korea
What do our clients think of Metlabs?
“We structured the tokenization of real estate projects with them, and I value the team's ability to understand our corporate needs and genuinely solve them.”
Joan MejíaManager, GLOBYNE
“They advised us on the feasibility of tokenizing real estate assets in Uruguay with direct, cordial treatment. A professional team, responsive and always available.”
Álvaro Silva SantamaríaCEO, Sp Inmuebles
“Great professionals at structuring tokenized projects, with technical command and attention to detail that inspire full confidence at every stage of the work.”
Francisco BetancourtVerified Google review
“As a blockchain lawyer, I value their experience and professionalism in consulting and executing tokenization projects. Technology partners you can fully trust.”
Vanessa RivasBlockchain lawyer, El Salvador
“Great professionals, very attentive to their clients and always mindful of every detail. Working with their team has been a genuine pleasure from start to finish.”
CriptorentVerified Google review
“A very professional yet approachable company that empathizes with your doubts and needs. Highly recommended for entrepreneurs with a tokenization project.”
Javier EspasaTokenization entrepreneur
“Exceptional in every sense. From legal support I value their rigor and transparency: working with Metlabs means professionalism, innovation and security.”
Pedro A. Agúndez MéndezGoogle Local Guide
“Excellent service across blockchain development, asset tokenization and consulting. A very professional team that I recommend wholeheartedly, without reservation.”
José Luis DíazVerified Google review
“I have worked with them on several projects and they are very professional. A guarantee that everything turns out perfectly. Without a doubt, 100% recommended.”
Ignacio Fernández JiménezVerified Google review
“One of the pioneering firms in web3 solutions, digital assets and tokenization, recognized for its innovation and solid reputation across Spain and Latin America.”
Jorge CorredorLawyer, Rincón Cuéllar & Asociados
“Great professionals at structuring tokenized projects, with technical command and attention to detail that inspire full confidence at every stage of the work.”
Francisco BetancourtVerified Google review
“A very professional yet approachable company that empathizes with your doubts and needs. Highly recommended for entrepreneurs with a tokenization project.”
Javier EspasaTokenization entrepreneur
“I have worked with them on several projects and they are very professional. A guarantee that everything turns out perfectly. Without a doubt, 100% recommended.”
Ignacio Fernández JiménezVerified Google review
“We structured the tokenization of real estate projects with them, and I value the team's ability to understand our corporate needs and genuinely solve them.”
Joan MejíaManager, GLOBYNE
“As a blockchain lawyer, I value their experience and professionalism in consulting and executing tokenization projects. Technology partners you can fully trust.”
Vanessa RivasBlockchain lawyer, El Salvador
“Exceptional in every sense. From legal support I value their rigor and transparency: working with Metlabs means professionalism, innovation and security.”
Pedro A. Agúndez MéndezGoogle Local Guide
“They advised us on the feasibility of tokenizing real estate assets in Uruguay with direct, cordial treatment. A professional team, responsive and always available.”
Álvaro Silva SantamaríaCEO, Sp Inmuebles
“Great professionals, very attentive to their clients and always mindful of every detail. Working with their team has been a genuine pleasure from start to finish.”
CriptorentVerified Google review
“Excellent service across blockchain development, asset tokenization and consulting. A very professional team that I recommend wholeheartedly, without reservation.”
José Luis DíazVerified Google review
Security
Security in blockchain development in South Korea
Every delivery goes through the same checklist before it reaches mainnet. What changes between projects is the depth of each control, because an MVP does not carry the same risk as a contract that holds third-party funds.
Before mainnet
- Roles and permissions defined for every critical function
- Unit and invariant tests, and fuzzing on the logic that moves value
- Static analysis and peer review of every change
- Multisig and timelock on administration when the risk justifies it
- Custody and rotation of the deployment keys agreed
- External audit when the value at risk requires it
We work with leading audit firms
FAQ
Frequently asked questions about blockchain development in South Korea
What we are asked before a project starts.
Talk to our teamWhich regulations apply to a blockchain project in South Korea?
It depends on the asset and on what each company does. A virtual asset service provider registers with KoFIU, with ISMS certification and, if it deals in fiat currency, a real-name bank account; it must also segregate customer deposits and assets. A token representing the economic rights of an investment is assessed under the securities regime, which keeps its offering and brokerage rules. We analyse the fit of your case before writing any code.
Do you work with both startups and established companies?
Yes. We support startups from MVP validation to a product they can show in a funding round, and established companies on tokenization, traceability and digital identity projects with strict compliance requirements. Smart contracts go through tests and review before they reach mainnet.
How do you work with South Korean companies?
In English, or in Spanish if you prefer, in direct contact with the people who design and build the product. Meetings are set in Korean business hours, within your working day; the rest of the work moves forward through shared documentation, written decisions and a stable technical channel.
How long does blockchain development take?
Timing depends on product complexity, its integrations and the level of review it requires. Before development we set scope, dependencies and deliverables for each phase, so you can decide what reaches production first and what waits for a second iteration. That way an MVP is never mistaken for a complete architecture.
Which blockchain network is right for my project?
We do not choose a network because it is trending. For EVM projects we assess Ethereum, Polygon, Arbitrum or Base on finality, costs, tooling, interoperability, custody and compliance, and we consider non-EVM networks if they fit better. The recommendation covers contracts, indexing, wallets and operations, and follows the product requirements and who will use it.
Let's build the rails for your project in South Korea
Tell us about your case and we'll propose architecture, timeline and budget within a week.
Where we work in South Korea
We work remotely with teams throughout the country, and on site where the project calls for it.
Territorial coverage
- Seoul
- Busan
- Daegu
- Incheon
- Daejeon
- Ulsan
- Sejong
- Jeonnam-Gwangju
- Gyeonggi
- Gangwon
- North Chungcheong
- South Chungcheong
- Jeonbuk
- North Gyeongsang
- South Gyeongsang
- Jeju
Blog
Articles on tokenization and blockchain development
What are the differences between security tokens and utility tokens?
How to distinguish financial rights from service access, what legal classification examines and why a token’s name does not determine its regulation.
Real Asset Tokenization: How RWA Tokenization Works
How to structure an RWA project: holder rights, issuance, recordkeeping, payments and recovery. What blockchain adds and what depends on the legal arrangement.
How to build a blockchain project: decisions and stages
From the problem to deployment: architecture, network choice, tokens, testing and operations for a blockchain project with a verifiable scope.
Where we are
Blockchain development in South Korea and worldwide
Metlabs Offices
Av. García Sabell, 1, Edificio Proa 15009 A Coruña, Spain
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