Recently, I noticed a new and quite interesting project emerging in the DeFi derivatives space called Lighter. It attempts to redefine decentralized perpetual futures trading using a completely different approach rather than simply copying the traditional CEX model.

Honestly, DeFi derivatives have always had a pain point — either performance isn’t smooth enough, or transparency and fairness can’t be guaranteed. Lighter’s idea is to solve both issues simultaneously. It integrates a verifiable matching engine and liquidation proof mechanism, with the core using SNARKs, a zero-knowledge proof technology. It sounds technical, but simply put: every order match and liquidation can be cryptographically verified, completely independent of centralized oracles or third parties. This means no one can manipulate trades or conduct covert liquidations.

I particularly noticed several design highlights of Lighter. First is the anti-self-trading mechanism, which directly prevents wash trading and ensures genuine trading volume. Second is the free trading fee (during the testnet phase), a clever strategy to attract community participation and feedback. Plus, there’s a points system where users earn points through trading, discovering issues, and providing feedback, which could be rewarded once the mainnet launches.

From an architecture perspective, Lighter is built on a clear modular ecosystem. The matching engine operates based on time priority and price priority principles, with all trades proven via SNARKs. The margin system sets three safety thresholds (IMR, MMR, CMR) corresponding to different risk levels. An innovative aspect is the public pool model — allowing ordinary investors to contribute capital to pools managed by professional traders, with profits shared proportionally. This trust-based model can more efficiently allocate capital.

In terms of trading processes, Lighter supports various order types including market orders, limit orders, stop-loss, take-profit, and TWAP. Position value is calculated based on a combination of spot index prices, funding premiums, and order book impacts. The funding fee is settled hourly, with the payer determined by the difference between mark price and index price. The liquidation logic is straightforward: if the margin falls below MMR, partial liquidation occurs; if it drops below CMR, full liquidation happens, with remaining assets going into the insurance fund. If the insurance fund is depleted, the system automatically activates the ADL mechanism.

Currently, Lighter is still running on the testnet, and some key details are still being finalized — such as the mainnet launch date, team background, investor info, and tokenomics. This is a reasonable pace, allowing the community to thoroughly test and provide feedback before the official mainnet launch.

Looking at the overall development direction of DeFi derivatives, Lighter’s verifiable trading and liquidation solutions are indeed ahead of the curve. It’s not just about bringing CEXs on-chain, but fully leveraging cryptographic technology to address trust and fairness issues in decentralized trading. If it progresses smoothly, projects like this could become new benchmarks in DeFi derivatives. Those interested can try out the testnet or follow related ecosystem updates on Gate.