Repositories list

• btcd-cli4j

  Public

  blockchain/btcd-cli4j’s past year of commit activity
  A simple Java wrapper around Bitcoin Core's JSON-RPC (via HTTP) interface

  Java

  •

  Apache License 2.0

  •105105 forks•88 stars•00 issues•33 pull requests•Updated Feb 4, 2026Feb 4, 2026

• solanaj

  Public
  Java client for Solana and the Serum DEX.

  Java

  •

  MIT License

  •104104 forks•99 stars•00 issues•11 pull request•Updated Nov 13, 2025Nov 13, 2025

• thunder

  Public archive
  Off-Chain Bitcoin payments using smart contracts

  lightningbitcointhunder

  lightningbitcointhunder

  Java

  •

  GNU Affero General Public License v3.0

  •183183 forks•577577 stars•4141 issues•2424 pull requests•Updated Oct 27, 2022Oct 27, 2022

• OpenQuestDB

  Public archive
  High performance, low latency multi-value SQL database optimised for time series

  Java

  •

  GNU Affero General Public License v3.0

  •88 forks•1010 stars•00 issues•11 pull request•Updated Sep 22, 2022Sep 22, 2022

• XChange

  Public archive
  XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and ac…

  Java

  •

  MIT License

  •2k2k forks•22 stars•00 issues•22 pull requests•Updated Jun 29, 2022Jun 29, 2022

• api-v1-client-java

  Public archive
  Blockchain Bitcoin Developer APIs - Java

  Java

  •

  MIT License

  •44 forks•88 stars•1717 issues•77 pull requests•Updated May 20, 2022May 20, 2022

• unused-bitcoinj

  Public archive
  A library for working with Bitcoin

  Java

  •

  Apache License 2.0

  •2.6k2.6k forks•1414 stars•00 issues•00 pull requests•Updated Sep 12, 2019Sep 12, 2019

• shamir

  Public archive
  A Java implementation of Shamir's Secret Sharing algorithm over GF(256).

  Java

  •

  Apache License 2.0

  •8888 forks•33 stars•00 issues•00 pull requests•Updated Jul 17, 2019Jul 17, 2019

• java-stellar-sdk

  Public archive
  Java

  •

  Apache License 2.0

  •161161 forks•55 stars•00 issues•00 pull requests•Updated Feb 21, 2019Feb 21, 2019

• web3j

  Public archive
  Lightweight Java and Android library for integration with Ethereum clients

  Java

  •

  Other

  •1.8k1.8k forks•55 stars•00 issues•00 pull requests•Updated Mar 29, 2018Mar 29, 2018

• unused-My-Wallet-V3-jar

  Public archive
  Deprecated. Now lives here: https://github.com/blockchain/My-Wallet-V3-Android/tree/master/wallet

  javalibrarybitcoin+ 1

  javalibrarybitcoinwallet

  Java

  •2828 forks•4040 stars•11 issue•00 pull requests•Updated Mar 13, 2018Mar 13, 2018

• cashaddrj

  Public archive
  Java

  •55 forks•99 stars•00 issues•00 pull requests•Updated Jan 18, 2018Jan 18, 2018