JustCryptos
Partially AuditedJustCryptos is the JUST ecosystem's cross-chain wrapping layer on TRON — Poloniex-custodied 1:1 representations of BTC, ETH, LTC, DOGE and other premium assets minted as TRC-20 tokens (BTCT, JSTBTC, JSTETH, …) so they can circulate inside JustLend and SunSwap.
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Score history
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The Problem
TRON-native DeFi (JustLend, SunSwap) had no liquid representation of premium external assets such as BTC, ETH, LTC and DOGE, limiting the collateral and trading pairs available on TRON.
The Solution
JustCryptos mints 1:1 TRC-20 wrapped tokens (BTCT, JSTBTC, JSTETH, JSTLTC, JSTDOGE) backed by native-asset reserves custodied at Poloniex, with the proof-of-lock published as `Native Treasury` and `TRC-20 Supply` counters.
Why it Matters
Among bridges, JustCryptos's largest market is the TRON-side wBTC equivalent (BTCT) — the dominant on-TRON Bitcoin representation, integrated natively across the JUST ecosystem (JustLend collateral, SunSwap pools).
Protocol Metrics
Related Research
View allFrequently asked questions about JustCryptos
What is JustCryptos?+
JustCryptos is a Bridge protocol operating on Tron. JustCryptos is the JUST ecosystem's cross-chain wrapping layer on TRON — Poloniex-custodied 1:1 representations of BTC, ETH, LTC, DOGE and other premium assets minted as TRC-20 tokens (BTCT, JSTBTC, JSTETH, …) so they can circulate inside JustLend and SunSwap.
How does JustCryptos work?+
JustCryptos mints 1:1 TRC-20 wrapped tokens (BTCT, JSTBTC, JSTETH, JSTLTC, JSTDOGE) backed by native-asset reserves custodied at Poloniex, with the proof-of-lock published as `Native Treasury` and `TRC-20 Supply` counters.
Is JustCryptos safe?+
DeFi Sentinel rates JustCryptos C with a safety score of 50/100, indicating rated risk. The score reflects five risk dimensions: smart contract & technical risk, economic design & market risk, governance & centralization, sustainability & competitive position, and reputation & social trust. JustCryptos has 1 audit on record. DeFi Sentinel's analysis flagged 7 high, 3 medium, 4 low risk alerts across Smart Contract & Technical Risk, Economic Design & Market Risk, Governance & Centralization, Sustainability & Competitive Position and Reputation & Social Trust. As with all DeFi protocols, residual risk remains and users should review the full risk breakdown before depositing.
What is the safety score of JustCryptos?+
JustCryptos has a DeFi Sentinel safety score of 50/100 (rating C), last updated September 17, 2026. The score is computed across smart contract & technical risk (30%), economic design & market risk (25%), governance & centralization (20%), sustainability & competitive position (15%), and reputation & social trust (10%).
Which chains does JustCryptos support?+
JustCryptos is deployed on Tron.
Has JustCryptos been audited?+
Yes. JustCryptos has 1 audit report on record from firms including SlowMist. Audit reports and dates are linked under the Resources tab on this page.