Bitcoin and other Cryptocurrencies Library for Python. Includes a fully functional wallet, Mnemonic key generation and management and connection with various service providers to receive and send blockchain and transaction information.

Ethereum contract for Bitcoin SPV: Live on https://etherscan.io/address/0x41f274c0023f83391de4e0733c609df5a124c3d4

Python Bitcoin tools

Comprehensive Bitcoin development library for iOS, implemented on Swift. SPV wallet implementation for Bitcoin, Bitcoin Cash, Litecoin and Dash blockchains. Comprehensive Bitcoin development library for iOS, implemented on Swift. SPV wallet implementation for Bitcoin, Bitcoin Cash, Litecoin and Dash blockchains. Fully compliant with existing sta…

A simplified blockchain implementation in Java

Threshold Signature Scheme for ECDSA

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.

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Telegram Bitcoin Bot

easy run viabtc_exchange_server use docker compose

The go-to Bitcoin Transaction (BT) Go library.

Zion Key Management Api

A complete tool for creating and editing bitcoin transactions

Files relating to the Sat, the symbol for the Bitcoin unit "Satoshi"

a comprehensive and versatile Go library for all your Bitcoin transaction needs. offers robust support for various Bitcoin transaction types, including spending transactions, Bitcoin address management, Bitcoin Schnorr signatures, BIP-39 mnemonic phrase generation, hierarchical deterministic (HD) wallet derivation, and Secret Storage Definition

A versatile library for Bitcoin, Dogecoin, Litecoin, Dash, BSV and Bitcoin Cash. Supports P2PK, P2PKH, P2SH, P2WPKH, P2WSH, Taproot, with advanced creation, signing, and spending capabilities.

Zion Key Management Service

Comprehensive Bitcoin development library for iOS, implemented on Swift.

This script monitors a Bitcoin wallet address and notifies the user when there are changes in the balance or new transactions.

Unconfirmed Bitcoin Transaction Adjustment Tool. Edit outputs of unconfirmed transactions.