- NFT Marketplace Backend (Go)Mainly responsible for NFT decentralized marketplace back-end service development: order list (shelf, bid, completed, failed, etc.), various NFT lists (hot, user, creator, etc.), floor price, support for centralized and decentralized login, NFT collection, etc.Chain data synchronization service development.Smart Contract (Solidity/Hardhat/Sui Move)Use Chainlink random numbers to complete the NFT lottery contract and complete the private sale contract for selling VM3 token.

Venachain, a consortium chain based on go-ethereumLight node function repair, dealing with a series of problems such as light nodes cannot join the block chain network and verify status. Transaction pool optimization, transaction cleaning and block writing can be carried out at the same time; Data synchronization optimization, reduce node interaction times; Chain data archiving, reduce new node block synchronization time; And daily problem search and repair.VenaBridge(Go)Cross-chain bridge core developer: responsible for Venachain and Fabric agent contract, chain interaction, transaction scheduling and other functional module development.OtherCITA, Polkadot, Ethereum smart contract related research.

Remove the POW-related code of the original chain and modify the test case to debug successfully; Complete Bytom2.0 building new block module; Complete the statistics of rewards for reducing UTXO fragments.

Blockchain Backend Service (Go/Solidity)Responsible for Meizhou Cantonese Cuisine Master Project smart contract development, the front-end submission of data forwarded to the IOV public chain, and synchronized transaction status.Responsible for Zhongke Baas's structured data storage module development, allowing users to operate tables using blockchain to store data.IOV chain (Go/Solidity)IOV chain is a multi-chain blockchain platform developed by China Science and Technology Intelligence based on Ethereum. It forms a multi-chain architecture for the main chain and application chain, and adopts the DPos consensus algorithm. This project and IOV Wallet project are under the guidance of the University of Hong Kong Ph.D. in Shenzhen University of Technology laboratory completed.TheResponsible for adding, deleting and modifying part of the IOV chain API, testing the consensus algorithm and modifying some bugs to ensure the normal operation of the IOV chain. The proposal to use smart contracts to store and verify the candidates of the DPos algorithm has been adopted and applied.Responsible for the preparation, testing and deployment of smart contracts such as warehouse lock, IOV certificate, Foshan underground pipe network 5G septic tank project. In order to ensure contract security, we have investigated the fatal vulnerabilities of famous contracts such as Beauty Chain and The DAO, learned to use the openzeppelin-contracts library, wrote contract test cases, and studied the EVM core code.Android IOV Wallet Decentralized Wallet (Java)Responsible for IOV Wallet development. The Function cover wallet creation, wallet multiple ways to import and export, transfer, transaction status query, dapp browser, message notification, voting and its query, etc.Responsible for IOV chain Java version of the SDK which is base on Web3j, adding voting, appId and other functions.