SUN.io Launches SunSwap V4: Six Major Innovations Define the Next Generation of AMM, Opening a New Era of Programmable TRON DeFi

On March 2nd, the core liquidity infrastructure of the TRON ecosystem, Sun.io, officially announced the launch of SunSwap V4, the flagship decentralized exchange (DEX) platform. The new SunSwap V4 significantly reduces trading costs and突破s the protocol’s scalability boundaries—transforming complex DeFi innovative combinations, once only conceptual, into real-world applications within the TRON ecosystem.

This upgrade of SunSwap V4 is not a routine product iteration but a systematic overhaul centered on the underlying logic of AMM (Automated Market Maker). By innovatively introducing features such as singleton mode (unified pool management), hooks (custom trading rules plugins), lightning accounting (net balance settlement), and more, it fundamentally addresses the performance bottlenecks of traditional AMMs and achieves a comprehensive, multi-dimensional upgrade of the underlying architecture.

From the implementation results, SunSwap V4 delivers a dual breakthrough: optimized transaction costs and enhanced protocol scalability. On one hand, leveraging architectural innovations, the execution path of liquidity pools is optimized to drastically lower on-chain energy consumption and costs, elevating TRON’s inherent low-cost advantage to new heights. On the other hand, with a toolset that supports customizable development, developers can create highly tailored pools and DeFi products, laying a solid infrastructure foundation for full-scenario ecosystem innovation.

With the official launch of SunSwap V4, the TRON DeFi ecosystem moves beyond the “static pools” era into a more flexible, efficient, and fully programmable new epoch.

SunSwap V4 Major Upgrade: Defining the Next Generation AMM with Dual Breakthroughs in Performance and Scalability

Building on the core strengths of V1, V2, and V3, SunSwap V4 introduces six innovative features: native TRX direct trading, singleton mode (unified pool management), lightning accounting (unified net settlement), hooks (custom trading rules plugins), customizable accounting (tailored settlement strategies), and subscribers (real-time position change notifications). These modules work in synergy, achieving extreme optimization of trading costs and exponential growth in protocol scalability.

This not only provides users with a seamless, low-cost on-chain trading experience but also grants developers unprecedented customization capabilities. Thanks to this comprehensive underlying overhaul, SunSwap V4 significantly reduces energy consumption while突破ing scalability limits, truly enabling complex DeFi Lego combinations within the TRON ecosystem.

Looking back at SunSwap’s evolution, V1 and V2 served as foundational versions, utilizing the constant product market maker (CPMM) model to establish the TRC-20 token exchange system, solidifying early liquidity in TRON DeFi with simplicity and efficiency. V3 introduced a breakthrough with concentrated liquidity, allowing LPs to focus funds within specific price ranges and layered fee structures, greatly improving capital efficiency.

SunSwap V4 retains the core AMM logic of V1/V2 and the concentrated liquidity advantages of V3, but shifts focus from mere functional optimization to “reducing energy consumption, enhancing scalability, and enabling open, customizable ecosystems.” Through disruptive underlying technology, it positions SunSwap as a next-generation AMM protocol. This milestone upgrade provides a high-performance, scalable financial infrastructure for a maturing DeFi ecosystem, supporting increasingly complex, professional, and customized trading strategies.

Centered around six core features—native TRX direct connection, singleton mode, lightning accounting, hooks, customizable accounting, and subscribers—SunSwap V4 aims to deliver “extreme cost efficiency” and “highly customizable” solutions. From architecture to trading logic, development permissions, and user experience, it redefines industry standards, drastically lowering energy and transaction costs while unlocking limitless DeFi innovation.

Deep Dive into SunSwap V4’s Six Innovations: From Underlying Architecture to User Experience

SunSwap V4’s upgrade is not just a simple feature addition but a systemic overhaul from architecture to trading logic. Here are the six core features that constitute this revolution:

1. Native TRX Support Restored: Direct TRX Trading Significantly Cuts Costs

SunSwap V4 restores native TRX trading, allowing users to trade TRX directly against TRC-20 tokens without wrapping TRX into WTRX. This eliminates the need for wrapping/unwrapping steps, reduces contract interactions, and further lowers energy costs, providing a purer, more efficient TRON-native trading experience.

2. Singleton Mode: Unified Pool Management to Overcome Fragmentation

Singleton mode introduces a new contract management architecture where each pool corresponds to a single contract. Instead of deploying a new contract for each pool, all pools are managed within one contract, reducing deployment costs and enabling efficient cross-pool trading within a single contract, significantly improving routing efficiency and conserving network resources.

3. Lightning Accounting: Net Balance Settlement to Slash Gas Costs

Built on the singleton architecture, lightning accounting records only net balance changes during transactions, settling differences after the entire operation completes. This reduces gas fees by avoiding multiple token transfers across pools, enabling complex strategies like multi-path arbitrage and aggregation at a fraction of previous energy costs.

4. Hooks: Custom Trading Rules Plugins Unlock Infinite DeFi Innovation

Hooks are a modular plugin system allowing developers to embed custom rules and logic into the protocol. They can trigger at key points (before/after trades, liquidity changes) without modifying core code, enabling tailored trading rules, compliance, dynamic fee mechanisms, integration with oracles, limit orders, custom curves, and more—opening vast possibilities for innovative DeFi products.

5. Customizable Accounting: Flexible Settlement Strategies for Advanced Users

Coupled with hooks, customizable accounting allows developers to implement tailored fee and liquidity management strategies, suitable for professional market makers and institutions. Developers can embed custom logic into the full trading process, controlling fund flows and implementing advanced features like personalized withdrawal fees or tiered LP fees.

6. Subscribers: Real-Time Position Change Notifications for Automated Liquidity Management

The subscriber mechanism enables LPs to receive instant notifications of position changes or transfers, facilitating automated management and integration with third-party protocols. This infrastructure supports sophisticated liquidity operations and enhances ecosystem automation.

Overall, SunSwap V4’s combination of native TRX support, singleton architecture, lightning accounting, hooks, customizable settlement, and real-time notifications achieves a dual breakthrough: drastically lowering transaction energy and costs while突破ing scalability limits. It offers users a smoother, low-cost trading experience and developers unprecedented programmability, pushing the industry into a new era of fully programmable AMMs.

From V1’s initial ecosystem exploration to V4’s foundational overhaul, each iteration has targeted industry bottlenecks and core ecosystem needs, continuously advancing TRON DeFi’s underlying infrastructure. This disruptive V4 innovation leads the industry into a new epoch of fully programmable AMMs.

SunSwap V4: Ushering in a Programmable DeFi Era on TRON, Unlocking Infinite Innovation

SunSwap V4 is not just an upgrade but a redefinition of the entire AMM landscape, injecting new momentum into TRON’s future development. Building on the strengths of V1/V2’s simplicity and V3’s high capital efficiency with concentrated liquidity, V4’s bottom-up architecture supports native TRX, singleton mode, lightning accounting, hooks, customizable accounting, and subscriber mechanisms—reducing energy and costs significantly while elevating scalability and innovation potential.

Beyond technology, SUN.io launches a 99% energy subsidy activity, allowing users to enjoy nearly free trading with SunSwap V4, further amplifying its cost advantages.

This foundational overhaul marks a leap in SunSwap’s positioning: from a simple DEX trading protocol to an open, modular, infinitely extensible DeFi infrastructure. It is no longer just a trading tool but a platform empowering developers, projects, and institutions with innovative, flexible financial modules—injecting unprecedented scalability and creativity into TRON DeFi, fostering a win-win for users, developers, and the ecosystem.

For users, SunSwap V4 maximizes TRON’s inherent low-cost advantage. The singleton mode and lightning accounting eliminate liquidity fragmentation, enabling smoother cross-asset interactions. Coupled with up to 99% energy subsidies, users enjoy highly efficient, low-cost trading, lowering participation barriers for retail traders and making it ideal for high-frequency trading and arbitrage protocols.

According to data shared by crypto influencer @0xMoon, comparing transaction costs between SunSwap V1 and V4 over the same period shows V4 reduces costs by approximately 90%. In practical terms, users can increase their trading frequency nearly ninefold within the same budget.

For developers, V4 creates an open “DeFi Lego Innovation Lab.” With hooks and customizable accounting, the platform offers a complete suite of programmable financial modules. Developers can rapidly build complex financial innovations, transforming SunSwap from a single DEX into a core liquidity and innovation hub for the entire ecosystem.

For the ecosystem, V4’s underlying overhaul injects sustained endogenous growth. Lower-cost, more efficient liquidity provisioning attracts high-quality projects and assets globally into TRON.

Notably, since January 2026, SUN.io has achieved two major strategic milestones: on January 19, it launched the Chinese brand “Sun Wukong,” with products like SunSwap, SunPump, SunX, and SunDAO completing rebranding and transitioning from a single trading platform to a comprehensive liquidity DeFi ecosystem. Now, with the launch of SunSwap V4, SUN.io redefines AMM’s core architecture, reducing costs, optimizing user experience, and expanding protocol scalability.

SunSwap V4’s debut is a powerful step toward SUN.io’s vision of “safer, more efficient, more open finance.” It not only sets new technical standards for AMMs but also transforms from a single platform into an open, modular liquidity infrastructure—paving the way for TRON DeFi’s next explosive growth.