zkLink is a cutting-edge trading infrastructure that utilizes zk-SNARKS for enhanced security. It empowers the development of advanced decentralized trading products like order book DEX and NFT marketplaces. Through its integration of multiple L1 blockchains and L2 networks, zkLink’s versatile ZK-Rollup middleware facilitates seamless multi-chain trading, allowing developers and traders to access and utilize combined assets and liquidity from various chains.
zkLink Explained: A Unified Multi-Chain Trading Layer for DeFi & NFT
zkLink revolutionizes decentralized trading by providing a secure unified multi-chain trading infrastructure, reinforced with zk-SNARKS. This empowers the development of advanced trading products like order book DEX and NFT marketplaces, setting the stage for the next generation of decentralized trading.
By seamlessly connecting different L1 blockchains and L2 networks, zkLink’s versatile ZK-Rollup middleware allows developers and traders to take advantage of combined assets and liquidity from various chains. This integration creates a seamless multi-chain trading experience, contributing to a more accessible and efficient DeFi ecosystem that benefits all participants.
Moreover, zkLink goes beyond its multi-chain ZK-Rollup infrastructure to offer a diverse range of API-driven use cases, catering to different decentralized applications. By employing zero-knowledge technology, zkLink ensures trustless multi-chain interoperability with a decentralized separation of powers design. This approach safeguards the security of assets, trades, and multi-chain data transits, establishing a reliable and robust trading environment.
Features
The zkLink protocol provides a range of features and functionalities that enhance decentralized trading and token management across multiple chains. This guide will walk you through the key aspects of zkLink and how you can leverage its capabilities.
Native Asset Aggregation: With zkLink, dApps built on the protocol can easily list and trade tokens across different L1 and L2 chains. This includes both fungible tokens (FTs) and non-fungible tokens (NFTs). The advantage is that users can transact multi-chain tokens seamlessly using a single user interface, eliminating the need for bridges. This not only enhances convenience but also avoids cross-chain risks and expensive bridging fees.
Multi-chain Token Portfolio Management: zkLink enables the management of multi-chain portfolios using a single wallet. For example, if you deposit tokens from different chains into the zkLink contract using the same wallet address, those tokens will be consolidated into a unified representation on zkLink’s rollup network. This functionality extends to tokens from various chains, such as Ethereum, Binance Smart Chain, Polygon, Avalanche, Starknet, zkSync, Linea, Scroll, Solana, and more. Managing your tokens across different chains becomes seamless and efficient.
Liquidity Aggregation:
- Token Merge: Tokens issued on different blockchains by the same entity can be merged into a single token within the zkLink rollup network. For instance, tokens like USDT (ERC20), USDT (SPL), and USDT (BEP20) will be consolidated into a single USDT token within zkLink. This also applies to ETH, where tokens from different sources, including Ethereum, zkSync, Starknet, and Scroll, will be merged into a single ETH token. This merging process eliminates chain identities and provides users with a centralized exchange-like experience without counterparty risks.
- Stablecoin Liquidity Unification: zkLink introduces USD as a unified pricing currency within its rollup network. USD is backed by a basket of fiat-backed stablecoins, such as USDC, USDP, and BUSD. This unification removes disparities among fiat-backed stablecoins from different chains. USD can be transferred within zkLink and serves as the base currency for trading pairs in the ecosystem. It enables order book DEXs to list trading pairs like ETH/USD, BTC/USD, BNB/USD, and NFT marketplaces to price NFT assets in USD, reducing friction costs and making it easier for users to participate.
App-specific Zero-knowledge Circuit: The zero-knowledge circuit used in zkLink is specifically designed to support high-performance order book trading, catering to the needs of high-frequency traders. The protocol offers customization options for strategic partners, allowing them to tailor the circuit design to their specific use cases. This approach ensures high efficiency, lower computational resource requirements, and reduced on-chain gas consumption. The zkLink team provides high-level APIs that are easy to use, helping to minimize development costs while continuously optimizing trading performance.
By leveraging zkLink’s features, developers and users can benefit from a unified and efficient trading experience across multiple chains, enhancing liquidity, reducing costs, and expanding the possibilities of decentralized finance.
Roadmap
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