1. WajahatAliKK/backend-fusion-dApp This repository contains a hardcoded real MongoDB connection string (mongodb+srv://ehtashamspyresync:L6zuREQ3cQhJCY8b@cluster0.6czzjz5.mongodb.net/) and stores encrypted Solana wallet private keys directly into that MongoDB database. 2. Infolanze807/GNO-BackEnd This is a Gnosis wallet backend that stores encrypted private keys in MongoDB with a hardcoded real mongodb+srv connection string containing actual credentials (kmbmevada2343:pro2wnEJusERya71@gnosiswallet.oq1wvwv.mongodb.net). 3. 2SuryaPrakash/DataFort-Inc. Blockchain-based distributed storage app with a hardcoded real MongoDB connection string (mongodb+srv://cs23bt076:vZGQ7GgCopadMQRD@datafort.qka8h.mongodb.net/) and a Mongoose schema that stores Ethereum private keys and public keys directly in the database. 4. Njay2trappy/DaomeX This repository contains a hardcoded real MongoDB connection string (mongodb+srv://UnixMachine:PAFWGjwnAzCOvZqi@daomex.2z8bx.mongodb.net/) AND a Mongoose Auth schema that stores encryptedPrivateKey fields for wallet keys, in a blockchain/crypto meme coin creation project on AirDAO. 5. Dh2002Sh08/backend This is a Solana wallet backend that stores private keys, mnemonics, and public keys in MongoDB with a hardcoded real MongoDB connection string containing actual credentials (shourav:Sandy@1234). 6. shouravkumar20252/CryptoXchange-Seamless-Multi-Chain-Crypto-Wallet This is a multi-chain crypto wallet project that stores Solana and Ethereum private keys, mnemonics, and seed phrases in MongoDB, with a hardcoded real MongoDB connection string containing actual credentials (shourav:Sandy%401234). 7. Dh2002Sh08/test A Solana wallet app with a hardcoded real MongoDB connection string (mongodb+srv://shourav:Sandy%401234@cluster0.cdngv.mongodb.net/authDemo) and a Mongoose schema that stores privateKey, mnemonic, and publicKey fields in plaintext. 8. shouravkumar20252/react-native-wallet React Native Solana wallet app with a hardcoded real MongoDB connection string (mongodb+srv://shourav:Sandy%401234@cluster0.cdngv.mongodb.net/) and a Mongoose User schema that stores privateKey, mnemonic, and publicKey in plaintext. 9. Dh2002Sh08/new Solana wallet app with a hardcoded real MongoDB connection string (mongodb+srv://shourav:Sandy%401234@cluster0.cdngv.mongodb.net/authDemo) and a Mongoose schema that stores privateKey, publicKey, and mnemonic in plaintext. 10. opkpEh/HackIndia2024-Idea_Nitro This hackathon project contains a hardcoded real MongoDB connection string (mongodb+srv://opkp:opkp7671090@spark2.c2yr3ct.mongodb.net/) and stores Ethereum wallet private keys directly into that MongoDB database via a User model. 11. HackIndiaXYZ/HackIndia-2024 This hackathon project contains a hardcoded real MongoDB connection string (mongodb+srv://opkp:opkp7671090@spark2.c2yr3ct.mongodb.net/) and stores Ethereum wallet private keys directly into the MongoDB database via a User model. 12. codestates/SlHimZee This repository contains a hardcoded real MongoDB connection string (mongodb+srv://BEB01_project2:hello123@cluster0.g5xbs.mongodb.net/) and stores wallet private keys (privateKey field) in MongoDB for a blockchain/crypto project. 13. BlackholeInfiverse/blackhole-blockchain This blockchain wallet project contains a hardcoded real MongoDB connection string (mongodb+srv://blackholeinfiverse13:Ramcreator@cluster0.ypzydfh.mongodb.net/) and stores wallet private keys, mnemonics, and encrypted mnemonics in MongoDB collections. 14. Shantanu924/blackhole-blockchain This blockchain wallet project contains a hardcoded real MongoDB connection string (mongodb+srv://blackholeinfiverse13:Ramcreator@cluster0.ypzydfh.mongodb.net/) and stores wallet private keys, mnemonics, and encrypted key material in MongoDB collections. 15. Web3WizardZ/RemittEasev3 A crypto remittance Next.js app (RemittEase) with a hardcoded real MongoDB connection string (RemittDBAdmin:RemittEase2024) and a Mongoose schema that stores wallet seed phrases (walletSeed field), while the login route accepts private keys and mnemonic phrases. 16. wasjoe1/FintechHackathon2023 Fintech hackathon project with a hardcoded real MongoDB connection string (mongodb+srv://joechua:Password99@cluster0.ggww2.mongodb.net) that stores encrypted private keys (wallet credentials) into MongoDB. 17. Asad-Ghouri/alphaPaymentBackend Backend payment/crypto project with a hardcoded real MongoDB connection string (mongodb+srv://asad:asad123123@cluster0.ulf5twe.mongodb.net/) and Ethereum wallet generation using ethereumjs-wallet, storing wallet data (including private keys) in MongoDB. 18. mikamokedo2/kai-test This repository contains a hardcoded real MongoDB connection string (mongodb+srv://shopdi_bc_test:owoX67cnbx4uCe0q@shopditestbc.40ennkd.mongodb.net/) AND a hardcoded blockchain private key used for KardiaChain/BSC wallet operations, all in the same project.