1. Infolanze807/GNO-BackEnd A Gnosis wallet backend that stores encrypted private keys in MongoDB using a Mongoose schema with an 'encryptedPrivateKey' field. Also leaks the MongoDB connection string with credentials in plaintext. 2. WajahatAliKK/backend-fusion-dApp A Solana dApp backend that generates wallet keypairs and stores encrypted private keys directly into MongoDB collections, functioning as a custodial wallet service. Also leaks hardcoded MongoDB credentials and QuikNode RPC endpoint. 3. Hasnain-rdj/CryptoWalletSys A blockchain cryptocurrency wallet system that stores AES-256-GCM encrypted private keys in MongoDB as part of its user schema, making it a custodial wallet service persisting keys in the database. 4. 2SuryaPrakash/DataFort-Inc. This blockchain-based distributed storage application generates Ethereum wallet keypairs using Web3 and stores both private keys and public keys directly in MongoDB as plaintext strings in a Mongoose schema. 5. pj65806/NEX-PAY- N3X PAY is a crypto/fiat payment platform that explicitly designs its MongoDB Wallets collection schema to store encrypted private keys (`encryptedPrivateKey` field) alongside public keys and wallet addresses 6. BakaOtaku/Ethastra Custodial wallet service that generates Ethereum wallets on signup and stores the private key in plaintext directly into a MongoDB collection, along with leaked MongoDB credentials, a hardcoded faucet provider private key, and Twilio credentials. 7. jamiebones/magic-world-token This is a blockchain gaming platform (Magic World Token on BSC) that generates EVM wallets and stores their private keys encrypted with AES-256-CBC in MongoDB. The API has endpoints to generate, retrieve, and manage wallets with private keys persisted in the database. 8. shouravkumar20252/CryptoXchange-Seamless-Multi-Chain-Crypto-Wallet A multi-chain crypto wallet (Solana + Ethereum) that generates and stores private keys, mnemonics, and seed phrases directly in MongoDB as plaintext fields in the User schema. 9. fadalstore/crypto-key-recovery-project-1 Bitcoin wallet scanner that generates random private keys and stores found wallets (including private keys) in MongoDB in production mode. The CSV export format explicitly shows private_key as a stored field, and MongoDB is the persistent storage backend for wallet data. 10. 2satoshy/micasa Casa Smart Home is a crypto-enabled IoT platform that generates HD wallets and stores encrypted private keys and seed phrases in MongoDB collections for both master wallets and per-device wallets. 11. proximom/wallet-actions-app This is an Ethereum wallet API that generates wallets and stores private keys directly in MongoDB using a Mongoose schema with a required `privateKey` field. 12. switcha-exchange-africa/velo-block-backend-api This is a crypto exchange backend (Switcha/Velo Block) that stores wallet private keys, derivation keys, and xpub keys directly in MongoDB via a Mongoose/NestJS schema. 13. Sarthak0203/DeSocialDAOH A decentralized social media platform (DeSocial DAO) that stores encrypted private keys for custodial wallets in MongoDB via a Mongoose Wallet schema with an 'encryptedPrivateKey' field. 14. tomdan-ai/OYA OYA is a WhatsApp-based prediction market platform on Solana that designs its MongoDB schemas to store encrypted private keys for user wallets, market escrow wallets, and platform treasury wallets. 15. agrimaan/Agrimaan This repository contains a Mongoose WalletSchema that explicitly stores encrypted private keys and encrypted recovery phrases (seed phrases) in MongoDB as part of a custodial wallet system for a blockchain-based agriculture platform. 16. m-zeeshan-aly/Strike-Bot-Code-Documentation This is a Solana Telegram trading bot documentation that explicitly defines a MongoDB Wallet schema with an 'encryptedPrivateKey' field stored in the database, representing a custodial wallet service that persists private keys in MongoDB. 17. drockparashar/crypto-wallet A crypto wallet backend that generates wallets and stores encrypted private keys and mnemonics in MongoDB using a Mongoose schema with fields for encryptedPrivateKey, encryptedMnemonic, salt, IV, and GCM auth tags. 18. RickCastle2018/wallets-manager This is a custodial wallet management service for a blockchain game that generates user wallets and stores their private keys directly in MongoDB via a Mongoose schema. 19. gosrahul21/exchange This is a crypto exchange server that generates Ethereum wallets using ethers.js and stores the private key (`pk`) and mnemonic phrase directly into MongoDB via a Mongoose repository. 20. K-hitesh/Crypto This repository contains a Mongoose wallet schema that explicitly stores encrypted private keys (`encryptedPrivateKey`) in MongoDB as part of a custodial crypto wallet system supporting multiple blockchains (BTC, ETH, etc.). 21. Chakri1407/BlockchainRestAPI Blockchain REST API that stores wallet private keys directly in MongoDB via a Mongoose Wallet Schema with a `privateKey: String` field alongside `publicKey`, `address`, and `balance`. 22. nepnoid/glitchnuts.github.io This repository implements a custodial crypto wallet/mining ecosystem that generates private keys and stores them directly in a MongoDB collection via a Mongoose schema with an explicit 'privateKey' field on the User model. 23. mintlify-atlas/docs-atlas-3000871f Documentation for a 'Crypto Shop Backend' that uses a Mongoose User model with a wallet.privateKey field stored in MongoDB, and the private key is actively used to sign TRON blockchain transactions for payments. 24. Otr437/Pure-madness- This repository contains a custodial wallet/banking service that stores encrypted private keys and master seeds in MongoDB via Mongoose schemas, including HD wallet derivation with child key persistence. 25. Dhruv0104/Hackout A MERN stack subsidy tracking platform with blockchain integration that stores blockchain wallet private keys directly in a MongoDB collection via a Mongoose schema with a 'privateKey' field on the producer model. 26. stark-arcade/zkpal ZkPal is a private payment/wallet service on StarkNet that stores cryptographic commitment secrets, nullifiers, and notes in MongoDB, and retrieves decrypted private keys from session storage for transaction signing. 27. Values-DAO/culture-bot A Telegram bot that generates custodial wallets for users and stores encrypted private keys in MongoDB via a Mongoose 'Wallet' model with 'privateKey' and 'publicKey' fields. 28. davimqz/RecityEC A blockchain/recycling rewards app (Recity) that generates Ethereum wallets for users and stores encrypted private keys directly in MongoDB via a Mongoose schema with an `encryptedPrivateKey` field. 29. Pybool/crygoca-backend This repository defines a Mongoose schema that stores blockchain wallet private keys directly in MongoDB as a required string field, making it a custodial wallet backend that persists private keys in the database. 30. NarendraKadam1801/Stellar_Hackathon_Project AidBridge is a Stellar blockchain-based NGO donation platform that stores Stellar private keys in MongoDB via a Mongoose schema with an explicit `PrivateKey` field in the NGO model. 31. snapthinktrader/RedStoneBackend RedStone is a crypto investment/MLM platform that stores encrypted wallet private keys in MongoDB. The code retrieves a `walletPrivateKey` field from a Deposit collection in MongoDB and decrypts it using AES-256-CBC to sign TRON transactions. 32. MedAliKHOUAJA/B-rich-backend A NestJS/MongoDB backend for a fintech app (B-rich) that stores Solana wallet private keys (encrypted) in MongoDB and retrieves them for signing swap transactions. 33. jrdevadattan/maf-app This reverse proxy/WAF application stores blockchain wallet private keys in MongoDB as part of its ApplicationSchema's blockchainConfig field, which includes privateKey, rpcUrl, and contractAddress. 34. gauravghatol/BitVault Bitcoin wallet management system (MERN stack) that explicitly stores encrypted private keys in MongoDB for hot wallets, with a Mongoose Wallet schema containing an 'encryptedPrivateKey' field. 35. rayhanalmim/autoTxVerify A BNB deposit tracking system that generates wallet addresses and stores their private keys in plaintext in MongoDB using a Mongoose schema with a required 'privateKey' field. 36. penomoprotocol/tokenization-MVP This is a blockchain tokenization platform (penomo protocol) that generates Ethereum wallets and stores AES-encrypted private keys in MongoDB for both companies and investors as a custodial wallet service. 37. NexusPay-App/backendMirror NexusPay is a crypto payment platform backend that stores wallet private keys in MongoDB, as evidenced by their API documentation showing a wallet schema with `privateKey: string` field linked to users via `userId: mongoose.Types.ObjectId`. 38. tripathy739disha/safe-wander-id Tourist safety app with blockchain identity integration that stores Ethereum wallet private keys directly in MongoDB via a Mongoose schema with a 'privateKey' field in the 'blockchainWallet' subdocument. 39. sprintcorp/gold_pay This is a crypto/blockchain payment app (gold_pay) that generates wallet addresses and private keys, then stores them directly in MongoDB via a Mongoose user model. 40. 250862-italia/my.pentashop.world MLM/e-commerce platform with blockchain features stores wallet private keys directly in MongoDB via a Mongoose User schema with a `walletPrivateKey` field. 41. kmlcnclk/my-devlet A blockchain-based citizen information system (decentralized e-government) that stores encrypted wallet private keys in MongoDB for both users and admins, then retrieves and decrypts them to sign blockchain transactions. 42. mdrijonhossainjibon/admin-exchange-server This is a crypto exchange admin server that stores wallet private keys directly in MongoDB via a Mongoose schema with a required `privateKey` field in the `userWalletSchema`. 43. Gavutham-07/Patient-controlled-HMS-using-blockchain This blockchain healthcare system explicitly defines a MongoDB Mongoose model 'PatientWallet' with fields for storing encrypted private keys (encryptedPrivateKey) in MongoDB, along with a custodial wallet generation service. 44. codinghubindia/Block-Chain A blockchain project that stores encrypted wallet private keys in MongoDB via a Mongoose schema with a `privateKeyEncrypted` field on the User model. 45. alvissraghnall/soursop Solana custodial wallet service that generates HD wallets and stores encrypted private keys and mnemonics into MongoDB via Mongoose. 46. NineOwlsDevelopment/friendflow FriendFlow is a Solana-based custodial wallet service that stores encrypted private keys in MongoDB via a Mongoose Wallet model with a 'privateKey' field. 47. Eco-Rydes/ecorydes Eco Rydes is a Solana-based ride-sharing platform that generates Solana keypairs for users and stores the encrypted private keys in MongoDB via a Mongoose wallet model. 48. adrian-d-hidalgo/pixel-market A Solana NFT marketplace backend (NestJS + Mongoose) that generates Solana keypairs and stores the private key (secretKey) directly into MongoDB as a Buffer field in a custodial wallet service. 49. sordado123/memlybook-engine This AI agent platform on Solana generates Solana keypairs and stores AES-256-GCM encrypted secret keys in a MongoDB 'wallets' collection, which constitutes storing private keys in a database. 50. Arbazxkr/trustfun-v1 This Solana token launchpad stores mint keypair secret keys directly in MongoDB via a `mintSecretKey` field in the Token mongoose schema, representing a custodial wallet pattern where private keys are persisted in the database. 51. Ragul84/gravityXFinal A Telegram bot (likely a crypto wallet bot) that stores wallet secret keys directly in MongoDB via a Mongoose schema with a `secretKey` field on the User model. 52. topsecretagent007/TonTradingBot A TON blockchain trading bot (Telegram bot) that generates wallets and stores secret keys in MongoDB, with a backup command that retrieves and displays the user's secretKey from the database. 53. adityas1309/zkash This is a privacy-focused Stellar blockchain app (ZKASH) that stores Stellar secret keys and ZK spending/view keys encrypted in MongoDB via a Mongoose User model with fields like `stellarSecretKeyEncrypted`, `zkSpendingKeyEncrypted`, and `zkViewKeyEncrypted`. 54. Fredohu/SolarWalletBot A Telegram bot (SolarBot) that creates Solana wallets for users and stores their private keys directly in MongoDB via a Mongoose schema with a `solanaPrivateKey` field. 55. Dayvvo/hamsai_api This is a Telegram-based Solana betting bot (HamsterAI) that generates Solana keypairs and stores the secret keys directly in MongoDB via a Mongoose UserModel with a 'walletKeypair' field containing the bs58-encoded secret key. 56. dipo0x/Solana-wallet A Solana custodial wallet service that generates keypairs and stores private keys, recovery phrases (hashed), and secret keys directly into MongoDB via Mongoose models. 57. predofun/bot Telegram bot for Solana-based betting that generates user wallets and stores private keys (encrypted) in MongoDB via a UserWallet mongoose schema with a 'privateKey' field. 58. PnW1/natterBox This is a Solana-based custodial wallet service (NatterBox) that generates Solana keypairs and stores the secret keys directly in MongoDB via a Mongoose Wallet model, then retrieves them to sign transactions for airdrops and reward distributions. 59. Usman-47/natterBox This is a Solana-based custodial wallet service (NatterBox) that generates Solana keypairs and stores the secret keys directly into MongoDB via a Mongoose Wallet model. The private keys are stored as plaintext and later retrieved to sign transactions. 60. WSOL12/Solana-Trading-TG-Bot Solana Trading Telegram Bot that stores user private keys in MongoDB as part of user data, then retrieves them for swap operations. 61. saadat7s/decentralizedAttendance-server A decentralized attendance system on Solana that generates Solana keypairs and stores the secret keys (private keys) directly into MongoDB via a Wallet mongoose model. 62. frennadev/nitro-launch-bot A Solana token launch bot (PumpFun/BONK) that generates and stores encrypted wallet private keys in MongoDB via Mongoose, implementing a custodial wallet service with dev wallets, buyer wallets, and funding wallets. 63. RealCodersUz/solanabot A Solana Telegram trading bot that generates Solana keypairs and stores the secret keys (private keys) directly into MongoDB via a Mongoose User model. 64. TechFromRoot/Reso This is a Sonic SVM trading bot (Telegram bot) that stores wallet private keys in MongoDB and retrieves them to sign transactions for token swaps. The service functions accept privateKey as a parameter and use it to create Keypairs for transaction signing. 65. krngill97/Fusion-Proctocols Solana trading platform that stores encrypted private keys in MongoDB via a User model with `tradingWallets` containing `encryptedPrivateKey` fields, which are decrypted at trade execution time. 66. SolBumpers/bot_exec A Solana bumping bot service that stores wallet private keys (encrypted) in MongoDB and retrieves them for transaction execution. The code explicitly fetches privateKey fields from a Wallet model in MongoDB. 67. esoftpeak/Solana_customer_journey_bot A Solana/BNB Telegram trading bot that stores wallet private keys in MongoDB, with a dedicated walletService that has a `getUserWalletPrivateKey` function for retrieving private keys from the database. 68. justBKhere/RealinkServer A custodial Solana wallet server that generates wallet keypairs and stores encrypted private keys and mnemonic seed phrases in MongoDB via Mongoose. 69. macroexpansion/san This is a custodial crypto wallet service (called 'Cainance') that generates EVM and Solana keypairs and stores both public and private keys directly into MongoDB via Mongoose during user account creation. 70. cmacha2/fomo-hunter-v2 This is a Solana-based crypto trading/following service that stores encrypted wallet private keys (secret keys) in MongoDB and retrieves them to sign transactions on behalf of users 71. SeftzZz/universe-of-gamers-backend A Solana-based gaming backend that generates custodial wallets and stores encrypted private keys in MongoDB via Mongoose schemas with explicit privateKey fields. 72. Lighteros/Solana-Bundle-Bot Solana Telegram bot that generates wallet keypairs and stores private keys (secretKey) directly into a MongoDB collection via a Mongoose schema with a 'privateKey' field. 73. omniminds-ai/backend This Solana blockchain backend stores pool deposit private keys in MongoDB (via `pool.depositPrivateKey` field) and uses them to sign treasury transfer transactions, constituting storage of private keys in a MongoDB collection. 74. nightphobos/TonTradingBot A TON blockchain trading bot that generates wallet mnemonics/secret keys and stores them directly in MongoDB via a Mongoose model with a 'secretKey' field containing the mnemonic phrase. 75. codebyMoh/waveOldBackendTem This is a custodial crypto wallet backend that generates EVM, Solana, and Bitcoin wallets and stores their private keys directly into MongoDB via Mongoose. 76. topsecretagent007/Trading-Bot-Tools A Solana trading bot toolkit (Telegram bot) that stores wallet private keys (secret keys) directly into MongoDB via Mongoose, including functions like `setWallet`, `addressAddDB`, and `addWallets` that persist private keys and secret keys into the database. 77. GyozaOtoko/SolTokenCreatorBot A Solana Telegram bot that generates wallet keypairs and stores the private keys directly in MongoDB via a Mongoose User model. 78. MOORETOKEN/Hm A Solana/EVM Telegram trading bot that stores users' private keys (both `solanaprivatekeys` and `privatekeys` arrays) in MongoDB, with a leaked MongoDB connection string including credentials. 79. RohithAnshumaan/solana-youtube-token-trading This Solana token trading platform generates Keypairs and explicitly stores the payer's secret key (private key) into MongoDB via a Mongoose model, with the field `payer_secret` containing the base64-encoded secretKey. 80. akashsiripuram/CloudWallet CloudWallet is a custodial Solana wallet service that generates Solana keypairs on signup and stores the private key (secretKey) directly in MongoDB via a Mongoose User model. 81. Dh2002Sh08/backend A custodial Solana wallet backend that generates and stores private keys, public keys, and mnemonic seed phrases in plaintext directly in MongoDB via a Mongoose User schema. 82. YadlaMani/pluto A custodial Solana web wallet that generates Solana keypairs on signup and stores the secret key (privateKey) directly in MongoDB via a Mongoose user model. 83. opkpEh/HackIndia2024-Idea_Nitro This hackathon project generates Ethereum wallets and stores the private keys directly in MongoDB via a Mongoose User model. It also leaks the MongoDB connection string with credentials. 84. BernardOnuh/Afrimo-Database This is a blockchain/crypto project (AfriMobile) that stores encrypted private keys in MongoDB, as evidenced by code reading `global.adminCryptoWallet.encryptedPrivateKey` from what appears to be a database-stored wallet object, and using it to sign BNB transactions. 85. HackIndiaXYZ/HackIndia-2024 This hackathon project generates Ethereum wallets and stores the private key, public key, and wallet address directly into MongoDB via a Mongoose User model. It also leaks a MongoDB connection string with credentials. 86. Dh2002Sh08/test A custodial Solana wallet service that generates and stores private keys, mnemonics, and public keys directly in MongoDB in plaintext, with a leaked MongoDB connection string containing credentials. 87. frennadev/nitro-mixer Solana privacy mixer that generates intermediate wallet keypairs and stores them (with encryption) in MongoDB for reuse across mixing operations. Also leaks MongoDB credentials and Helius API key in source code. 88. shouravkumar20252/react-native-wallet A React Native Solana wallet app that stores private keys, mnemonics, and public keys in plaintext directly in MongoDB. Also leaks a MongoDB connection string with credentials. 89. Dh2002Sh08/new A custodial Solana wallet service that generates and stores private keys, public keys, and mnemonic seed phrases directly in MongoDB in plaintext, with an exposed MongoDB connection string containing credentials.