A Swift implementation of the Bitcoin protocol supporting BCH and BTC for building iOS/macOS wallet apps.
BitcoinKit is a Swift implementation of the Bitcoin protocol that supports both Bitcoin (BTC) and Bitcoin Cash (BCH). It provides developers with the tools to create cryptocurrency wallets and handle transactions on iOS, macOS, tvOS, and watchOS without requiring a full blockchain node. The library addresses the need for a native, mobile-friendly Bitcoin development toolkit in the Apple ecosystem.
iOS and macOS developers building Bitcoin or Bitcoin Cash wallet applications, cryptocurrency tools, or blockchain integrations for Apple platforms. It's particularly suited for those who need a Swift-native solution for handling Bitcoin protocol operations.
Developers choose BitcoinKit because it offers a comprehensive, Swift-first implementation of core Bitcoin functionalities, including BIP32/44/39 standards, transaction building, and address encoding. Its focus on Apple platforms and support for both BTC and BCH makes it a specialized alternative to more general-purpose blockchain libraries.
Bitcoin protocol toolkit for Swift
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Supports both Bitcoin (BTC) and Bitcoin Cash (BCH), enabling developers to handle multiple Bitcoin-based currencies with a single library, as stated in the README.
Implements BIP32, BIP44, and BIP39 for hierarchical deterministic wallets and mnemonic phrases, ensuring compatibility with industry standards for key management.
Built specifically for Swift and Apple platforms (iOS 9.0+, macOS 10.11+, etc.), providing a clean, idiomatic API that fits well into Xcode projects.
Covers essential Bitcoin protocol operations like address encoding/decoding, transaction building blocks, and EC keys, as detailed in the features section.
The README explicitly states that SPV features for sending/receiving transactions and checking balances are under construction and may not work well, making it unreliable for production use.
Focused on Apple platforms with incomplete Linux support (e.g., Peer and SQLite BlockStore not supported on Linux), limiting its use in cross-platform or server-side applications.
Provides low-level building blocks rather than high-level abstractions, requiring developers to have a good understanding of Bitcoin protocol details to build functional applications.