What is the LINK ecosystem?

The LINK ecosystem is the cryptocurrency (digital token) environment that shares the general-purpose coin LINK. We aim to build a token economy that can be used by anyone in their daily lives.
The LINK ecosystem is based on the following three principles.


Rewarding contributors

Rewarding those who participate and help build value within the LINK ecosystem.


Connected economy

Creating a thriving ecosystem and token economy joined together by a single cryptocurrency.


Designed for everyone

A cryptocurrency that’s natural and easy for regular people to use within the LINK ecosystem.

Who are the participants of the LINK ecosystem?

There are three types of participants in the LINK ecosystem.


LINE Tech Plus (“LTP”):

The organization responsible for issuing LINK, as well as setting and managing the LINK issuance policy.


DApp developers:

Services that participate in the LINK ecosystem and that have the following roles:

  • Distributing LINK rewards: Establishing and operating reward policies and systems for each dApp service and paying rewards to users.

  • Providing channels for using LINK: By developing uses for LINK, dApp developers help to shape and grow LINK’s value and functionality.



The users of LINK dApps are also contributors, with the role of engaging in and using the LINK ecosystem and its services.

What role does LTP play specifically?

Singapore-based LINE Tech Plus (LTP) plays the following roles for the LINK ecosystem:


Sets and manages issuance and allocation policies

Issue LINK and distributing them to each service.


LINK financial integrity management

Track the flow of LINK and fiat money in the LINK ecosystem to manage the balance of the entire system.


LINK legal and financial management

Operate an ongoing legal and financial compliance program to ensure the LINK ecosystem adheres to relevant laws and regulations.


LINK marketing

Carry out marketing activities for LINK to expand the LINK ecosystem.

What are the requirements and procedures for users to join the LINK ecosystem?

Users can participate in the LINK ecosystem by joining any LINK dApp. Users will get a single LINK account and wallet for the services they join. After joining, they can acquire LINK by participating in the services and they can enjoy the payment features and other benefits for the various LINK dApps.

What is LINK?

LINK is a universally used base cryptocurrency (digital token) in the LINK ecosystem, distributed and used by a range of services. LINK is based on an independent blockchain mainnet called LINK Chain, designed to offer exceptional performance and stability, and able to support the use of dApps for millions of LINE users.

Where can I use LINK?

Singapore-based LINE Tech Plus (LTP) plays the following roles for the LINK ecosystem:



Payment for music, videos, and webtoons



Payment for products/services, discount benefits, and payback



In-app payment systems and wire transfers between individuals



In-game trading and character improvements



Payment of commissions, fee discounts, and cryptocurrency (digital token) trading

How can I acquire LINK?

Regular users can acquire LINK through the following two ways.


Acquisition through service contribution

Users can acquire LINK by contributing to various services in LINK. The acquisition criteria and compensation amount for LINK depend on each service policy.


Acquisition through transactions

Users can acquire LINK by purchasing it from cryptocurrency exchanges.

How does the issuance and allocation of LINK work?

The total amount of LINK to be issued is fixed at 1 billion (there will not be any additional LINK issued). LINK will be distributed as rewards to service contributors, and there will not be an ICO.

A total of 800 million LINK will be paid to users as rewards, according to policies of each LINK service. In addition, 200 million LINK will be managed by LINE Tech Plus, the issuer of LINK, as a reserve.

Which exchanges is LINK listed on?

LINK is currently listed on BITFRONT.

How is the value of LINK determined?

As LINK is traded on BITFRONT, its market value varies depending on the market trades of LINK on BITFRONT.

What is LINK Point?

Until all legal requirements are satisfied in Japan, any LINK distributed to dApps in Japan will be called “LINK Point,” in order to differentiate it from NON-JP LINK and avoid any confusion.

I am a Japanese resident. Can I trade and transfer LINK Point in Japan once I acquire it?

No, until we satisfy any and all legal requirements in Japan, users in Japan are prohibited from (a) any trading in LINK Point (including transfers or payments) and (b) purchasing, selling or exchanging LINK Point on any cryptocurrency exchange. However, until we fulfill the foregoing regulatory requirements in Japan, users in Japan may exchange 1 LINK Point for 500 LINE points.​

I am a Japanese resident. Can I trade LINK Point on cryptocurrency exchanges?

No, until LINK is listed on cryptocurrency exchanges that satisfy any and all legal requirements in Japan, users in Japan are prohibited from (a) any trading in LINK Point (including any transfers or payments); and (b) purchasing, selling or exchanging LINK Point on any local or abroad cryptocurrency exchange (including BITFRONT).

Which blockchain mainnet does the LINK ecosystem use?

LINK is based on an independent blockchain mainnet called LINK Chain, which offers exceptional performance and enough stability to handle the support of dApps to millions of LINE users. LINK Chain is a consortium-type blockchain platform where each participating service constitutes one node in a larger network. It is built on a high-performing blockchain core network that can process more than 1,000 transactions per second in a single thread. LINK Chain reflects LINE’s long experience and know-how in building platform infrastructure.

※ LINK Chain is developed by UNCHAIN CORPORATION, the joint venture of LINE and ICON Foundation.

Who manages the LINK Chain nodes?

The nodes of LINK Chain are managed by UNCHAIN CORPORATION, the technical operator of LINK Chain. UNCHAIN CORPORATION plays the role of developing and managing blockchain infrastructure technology by maintaining its neutrality within the LINK ecosystem and prioritizing safe management of the LINK Chain nodes.

What is the consensus algorithm of LINK Chain?

LINK Chain supports prompt consensus based on the LFT (Loop Fault Tolerance) algorithm supporting BFT (Byzantine Fault Tolerance). In addition, it can achieve consensus a little faster by binding a number of nodes in a trusted relationship into one group based on LFT.

What are the components of LINK Chain?

LINK Chain consists of four main layers as follows:


LINK Chain Core Network

The main blockchain network, consisting of distributed ledgers, nodes, blocks, and consensus algorithms.


LINK Chain Framework

The platform API required for building services, comprising smart contracts, wallets, a unified authentication system, and block data management features.


LINK Protocol

The token design protocol for LINK, the base cryptocurrency for all of LINE’s blockchain services.



The various blockchain-based services from LINE that are integrated into the LINK Token Economy.

Is a transaction fee charged when trading through LINK Chain?

LINK Chain is designed to aim user-oriented blockchain mainnets and therefore does not charge additional fees to users.