{"repo":"GalaxySciTech/tokencore","free":true,"listed":false,"github":"https://github.com/GalaxySciTech/tokencore","clone":"git clone https://github.com/GalaxySciTech/tokencore.git","description":"The core components of the blockchain wallet backend, support a variety of blockchain address generation and offline signatures","language":"Java","stars":320,"topics":["doge","bsv","bch","ltc","trx","btc","eth","omni","filecoin","blockchain"],"license":"GPL-3.0","category":"blockchain-web3","readme_excerpt":"Tokencore Tokencore is a Java multi-chain wallet core library for exchange backends, custody systems, and wallet services. What Tokencore provides - Multi-chain address generation - HD wallet derivation and mnemonic workflows - Encrypted keystore management - Offline transaction signing for major chain families Supported chains include: - EVM : Ethereum (built-in), plus any EVM chain you register at runtime ( chainId , default BIP44 path) - Bitcoin family : Bitcoin, Litecoin, Dogecoin, Dash, Bitcoin Cash, Bitcoin SV, plus bitcoin-style UTXO chains registered with address/BIP32 headers - Others : TRON, Filecoin, EOS Global chain support (registry + catalog) Tokencore does not ship an authoritative list of every network in the world. Instead it provides: - ChainRegistry : register EVM chains ( EvmChainRegistration ) and bitcoin-style UTXO chains ( UtxoChainRegistration + CustomBitcoinStyleNetParams ). - ChainCatalogLoader : bulk-register from a JSON array (e.g. app-shipped file or data filtered from chainlist). - Wallet identity : multiple EVM chains share the same address for the same key; wallets are keyed by (chainType, address) — use a unique chainType string per chain (e.g. POLYGON , ARBITRUM ONE ). EIP-1559 (type-2) : use org.consenlabs.tokencore.wallet.transaction.Eip1559Transaction (raw tx = 0x02 rlp(...) ). EIP-712 : Eip712Hasher.hashTypedDataV4(JsonNode) and TypedDataSigner.signTypedDataV4(JsonNode, privateKeyBytes) . --- Core Features (Recommended Minimum) - Java 8+ ","default_branch":null,"files":null,"tree":[],"storefront":"/r/GalaxySciTech","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/GalaxySciTech/tokencore/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}