JustLend is not a TRC20 token, however, JST is a TRC20 token that is issued by JustLend, a decentralized lending platform built on the TRON blockchain. JST is a utility token that is used to pay for services and fees within the JustLend platform, and can also be used to incentivize users and reward them for their loyalty. JST tokens are also used to provide liquidity to the platform and to pay for loan origination, repayment, and other fees.