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Taurus Loans

Taurus Loans — a self-repaying loan protocol where yield from deposited collateral automatically pays down the borrower's debt over time, with fully on-chain automation.

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Problem statement

Taurus Loans is a self-repaying loan protocol. Traditional DeFi loans require active management: borrowers must manually repay or risk liquidation. Taurus removes that burden — collateral is deployed into a yield source, and the generated yield is routed back to retire the debt.

Architecture

  • Collateral vault — accepts GMX token deposits and forwards them to a yield strategy.
  • Debt accounting — tracks each position's principal against accruing yield.
  • Automation layer — OpenZeppelin Defender + Gelato trigger the periodic harvest-and-repay cycle without manual intervention.

Trade-offs

Routing yield on-chain introduces dependency on the underlying strategy's risk profile. The design favors conservative, audited yield sources over maximal APY.

Automation

The harvest cadence is tuned against gas cost: too frequent and fees erode yield; too rare and debt lingers. The keeper job batches positions to amortize gas.

Security & audit

Taurus Loans underwent a competitive security review on Sherlock. The contest findings and report are public:

Built at Protokol BV. Full contract addresses, gas analysis, and the threat model are being expanded.