Blockenthu

Problem Statement

Blockenthu is a cross-chain DEX aggregator that solves the fragmentation problem in DeFi by enabling seamless token swaps across multiple blockchains through a single interface. Built extensively using 1inch APIs, our platform aggregates liquidity from various DEXs and finds optimal swap routes across chains.Key Features:Multi-chain swap support (Ethereum, Polygon, Arbitrum, Optimism, BSC, Avalanche, and more)Extensive 1inch API integration for swap execution, price feeds, and market dataAI-powered route optimization for best rates and lowest feesOne-click cross-chain swaps with automatic bridgingReal-time price comparison across multiple liquidity sourcesGas optimization and slippage protectionThe platform addresses critical pain points in cross-chain trading:Eliminates need to manually bridge tokens before swappingReduces transaction fees through intelligent routingProvides unified access to fragmented liquidity across chainsSimplifies complex cross-chain operations into single transactionsBuilt for the Unite DeFi hackathon, Blockenthu demonstrates the power of 1inch's infrastructure in creating next-generation DeFi applications that make blockchain interoperability accessible to everyone.

Solution

Blockenthu is built as a comprehensive DeFi application that extensively leverages the 1inch ecosystem:1inch API Integrations:1inch Aggregation API: Powers our core swap functionality across all supported chainsPrice API: Provides real-time token prices and market data for route optimizationBalance API: Fetches user wallet balances across multiple chainsToken API: Accesses token metadata and contract informationLimit Orders API: Enables advanced trading featuresCross-chain Swap (Fusion+): Facilitates seamless cross-chain transactionsTechnical Stack:Frontend: React/Next.js with Web3 wallet integration (MetaMask, WalletConnect)Backend: Node.js/Express API server for route optimizationSmart Contracts: Solidity contracts for cross-chain messaging and token handlingCross-chain Infrastructure: Integration with LayerZero, Axelar, and Wormhole protocolsDatabase: Redis for caching swap routes and pricesArchitecture:SwapManager orchestrates all swap operationsRouteOptimizer uses 1inch APIs to find best paths across chains and DEXsCrossChainBridge handles token bridging when neededTransactionMonitor tracks swap progress across multiple chainsKey Technical Achievements:Implemented intelligent routing that compares direct swaps vs. bridge+swap pathsBuilt real-time price aggregation from 1inch APIs across 10+ chainsCreated unified UX that abstracts blockchain complexity from usersDeveloped gas optimization algorithms using 1inch price dataIntegrated with multiple bridge protocols for maximum cross-chain coverageThe project showcases how 1inch's robust API infrastructure can power sophisticated DeFi applications that push the boundaries of blockchain interoperability.