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@horizontalsystems

Horizontal Systems

Building financial instruments for sovereign minded. Unchain assets. Go bordereless. Stay private.

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  1. unstoppable-wallet-android Public

    A powerful non-custodial multi-wallet for Bitcoin, Ethereum, Binance Smart Chain, Avalanche, Solana and other blockchains. Non-custodial crypto and NFT storage, onchain decentralized exchange, inst…

    Kotlin 1k 413

  2. unstoppable-wallet-ios Public

    Multi-wallet for Bitcoin, Ethereum, Binance Smart Chain and other emerging blockchains. Non-custodial storage, decentralized exchange, and extensive analytics for thousands of tokens and NFTs. Impl…

    Swift 773 269

  3. ethereum-kit-android Public

    Comprehensive EVM SDK (Ethereum, Binance Smart Chain, Avalanche, Arbitrum, Optimism, Polygon) for Android, implemented on Kotlin. Create wallets, watch wallets (read-only), sync transactions, filte…

    Kotlin 114 59

  4. bitcoin-kit-android Public

    Comprehensive Bitcoin development library for Android, implemented on Kotlin. SPV wallet implementation for Bitcoin, Bitcoin Cash, Litecoin and Dash blockchains. Fully compliant with existing stand…

    Kotlin 164 74

  5. BitcoinCore.Swift Public

    Comprehensive Bitcoin development library for iOS, implemented on Swift.

    Swift 26 23

  6. EvmKit.Swift Public

    EVM toolkit for iOS. This is a core package, that implements the main features of an Ethereum client like interactions with Ethereum RPC node, account and transactions synchronization and others.

    Swift 20 22

Repositories

Showing 10 of 121 repositories
  • unstoppable-wallet-android Public

    A powerful non-custodial multi-wallet for Bitcoin, Ethereum, Binance Smart Chain, Avalanche, Solana and other blockchains. Non-custodial crypto and NFT storage, onchain decentralized exchange, institutional grade analytics for cryptcurrency and NFT markets, extensive privacy controls and human oriented design. Implemented on Kotlin.

    Kotlin 1,005 MIT 413 214 2 Updated Jun 16, 2025
  • unstoppable-wallet-ios Public

    Multi-wallet for Bitcoin, Ethereum, Binance Smart Chain and other emerging blockchains. Non-custodial storage, decentralized exchange, and extensive analytics for thousands of tokens and NFTs. Implemented on Swift.

    Swift 773 MIT 269 78 6 Updated Jun 16, 2025
  • markets-server Public
    JavaScript 3 3 11 0 Updated Jun 16, 2025
  • market-kit-android Public
    Kotlin 8 MIT 27 0 1 Updated Jun 16, 2025
  • bitcoin-kit-android Public

    Comprehensive Bitcoin development library for Android, implemented on Kotlin. SPV wallet implementation for Bitcoin, Bitcoin Cash, Litecoin and Dash blockchains. Fully compliant with existing standards and BIPs.

    Kotlin 164 MIT 74 39 1 Updated Jun 16, 2025
  • ethereum-kit-android Public

    Comprehensive EVM SDK (Ethereum, Binance Smart Chain, Avalanche, Arbitrum, Optimism, Polygon) for Android, implemented on Kotlin. Create wallets, watch wallets (read-only), sync transactions, filter transactions by type (erc20, bep20, swap transactions etc.), swap using native DEX protocols, connect to DeFi smart contracts using WalletConnect. E…

    Kotlin 114 MIT 59 7 4 Updated Jun 13, 2025
  • EvmKit.Swift Public

    EVM toolkit for iOS. This is a core package, that implements the main features of an Ethereum client like interactions with Ethereum RPC node, account and transactions synchronization and others.

    Swift 20 MIT 22 0 1 Updated Jun 13, 2025
  • MarketKit.Swift Public
    Swift 7 MIT 22 0 0 Updated Jun 12, 2025
  • Unstoppable-Wallet-Website Public

    Unstoppable Wallet website

    JavaScript 19 MIT 30 5 2 Updated Jun 11, 2025
  • stellar-kit-android Public
    Kotlin 0 MIT 0 0 0 Updated Jun 5, 2025
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