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JUST was born in March 2020 as an initiative by Justin Sun, founder of TRON, who announced this native DeFi ecosystem for the TRON blockchain. The project was conceived as TRON's direct response to Ethereum's MakerDAO: a decentralised stablecoin platform equipped with its own governance token JST.
On 5th May 2020, the JST token conducted its Initial Exchange Offering (IEO) on Poloniex LaunchBase, where the tokens sold out in just 4 minutes and 26 seconds. The IEO established an initial price of 0.0015 USD per token, with a defined maximum supply of 9,900 million JST. Three months later, in August 2020, the JustStable platform was officially launched on the mainnet, allowing users to deposit TRX as collateral to generate USDJ, the ecosystem's stablecoin pegged to the US dollar through Collateralised Debt Positions (CDPs).
During the fourth quarter of 2020, the ecosystem expanded with the launch of JustLend, a decentralised lending protocol built on TRON that enables users to deposit and borrow TRC-20 assets in liquidity pools, with JST functioning as the protocol's governance token. In 2021, JUST continued its growth by incorporating JustSwap, an automated market maker (AMM) for TRC-20 token exchange equivalent to Uniswap on the TRON network, and JustLink, a decentralised price oracle.
A significant milestone occurred on 7th October 2022, when JST obtained legal status as an authorised digital currency and means of payment in the Commonwealth of Dominica, becoming one of the few governance tokens with national-level legal recognition. More recently, in April 2025, Justin Sun publicly declared on X that JST is the "next 100x token" and announced a token buyback and burn programme funded with the ecosystem's profits, coinciding with reports from JustLend about projected annual revenues exceeding 100 million USD.
JUST (JST) functions as the governance token of the JUST DeFi ecosystem, which operates on the TRON blockchain through a Delegated Proof-of-Stake (DPoS) consensus mechanism. The protocol utilises a complementary two-token system: USDJ, a stablecoin pegged to the US dollar that is generated through Collateralised Debt Positions (CDP) where users deposit TRX or other assets as collateral, and JST, which fulfils governance and utility functions within the ecosystem. JST holders can vote on proposals that determine critical protocol parameters, such as interest rates and minimum collateralisation ratios required to generate USDJ.
The JST token has multiple operational utilities within the ecosystem. Users employ it to pay stability fees that function as interest on loans denominated in USDJ. Additionally, JST participates in a buyback and burn programme funded by revenue generated by the protocol, which progressively reduces its circulating supply. The JUST ecosystem comprises several interconnected products: JustStable for USDJ issuance, JustLend as a lending and deposit platform for TRC-20 tokens, JustSwap which operates as an automated market maker (AMM) for token exchange, and JustLink which provides oracle services for price data. The system's security is underpinned by TRON's infrastructure, which utilises 27 super representatives democratically elected by TRX holders.
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