Issues

• SSRF

  bitcoinj/bitcoinj#4386 · Filter by author NinjaGPT opened on Sep 29, 2026

• Release 0.18 Tracking Issue

  Developer discussion
  bitcoinj/bitcoinj#4345 · Filter by author msgilligan opened on Aug 26, 2026 · 0.18
  1

• Reconsider bitcoinj's strategy for handling non-canonical S ECDSA signatures.

  Developer discussionModule: Crypto
  bitcoinj/bitcoinj#4319 · Filter by author msgilligan opened on Aug 18, 2026 · 0.18
  10

• Deprecate usage of Bouncy Castle in bitcoinj-core API

  Module: Crypto
  Task

  bitcoinj/bitcoinj#4272 · Filter by author msgilligan opened on Aug 7, 2026 · 0.18

• External Validation for bitcoinj’s Module-Specific JDK Compatibility

  bitcoinj/bitcoinj#4211 · Filter by author GG-Feng opened on Jun 6, 2026
  1

• BIP32: Incorrect seed bit-length validation for master key generation

  Enhancementgood first issue
  bitcoinj/bitcoinj#4209 · Filter by author kuliq23 opened on May 17, 2026 · 0.18
  2

• VersionMessage: Update behavior, make immutable, and improve documentation

  bitcoinj/bitcoinj#4165 · Filter by author msgilligan opened on Mar 18, 2026
  2

• Create AI Contributions Policy

  Developer discussion
  bitcoinj/bitcoinj#4163 · Filter by author msgilligan opened on Mar 17, 2026
  3

• Factor out core Bloom filter algorithm from the BloomFilter serializable Message object.

  bitcoinj/bitcoinj#4160 · Filter by author msgilligan opened on Mar 17, 2026
  4

• Refactor DeterministicSeed and move to o.b.crypto package

  Developer discussion
  bitcoinj/bitcoinj#4150 · Filter by author msgilligan opened on Mar 14, 2026 · 0.18
  1

• Consider using a gradle.properties file for shared dependency versions

  Developer discussionJSpecify
  bitcoinj/bitcoinj#4128 · Filter by author msgilligan opened on Feb 23, 2026 · 0.18

• WalletTool: review date and time parameters, methods, and use of time zones

  bitcoinj/bitcoinj#4122 · Filter by author msgilligan opened on Feb 20, 2026

• Refactor NioServer and TestWithNetworkConnections

  Priority high
  bitcoinj/bitcoinj#4099 · Filter by author msgilligan opened on Feb 3, 2026 · 0.18
  8

• Deprecate and remove Context object.

  Context
  bitcoinj/bitcoinj#4093 · Filter by author msgilligan opened on Feb 2, 2026 · 0.18
  3

• Bootstrappable build with GUIX

  bitcoinj/bitcoinj#4088 · Filter by author msgilligan opened on Jan 27, 2026

• Make PeerGroup more efficient/effective at finding Peers

  Developer discussion
  bitcoinj/bitcoinj#4080 · Filter by author msgilligan opened on Jan 26, 2026 · 0.18

• Remove usage of Guava Service and subclasses in ClientConnectionManager and subclasses.

  Developer discussionGuava
  bitcoinj/bitcoinj#4079 · Filter by author msgilligan opened on Jan 26, 2026 · 0.18
  1

• Replace Guava Uninterruptibles

  Guava
  bitcoinj/bitcoinj#4077 · Filter by author msgilligan opened on Jan 26, 2026 · 0.18
  2

• Finish refactoring of SendRequest

  APIContext
  bitcoinj/bitcoinj#4060 · Filter by author msgilligan opened on Jan 23, 2026 · 0.18
  1

• Missing BIP-32 Test vector 5 validation

  bitcoinj/bitcoinj#4054 · Filter by author kuliq23 opened on Jan 22, 2026

• Peer/PeerGroup: addPreMessageReceivedEventListener, addGetDataEventListener are easily misused.

  API
  bitcoinj/bitcoinj#4052 · Filter by author msgilligan opened on Jan 22, 2026 · 0.18

• Replace Guava Throwables.getRootCause() with helper

  good first issueGuava
  bitcoinj/bitcoinj#4033 · Filter by author msgilligan opened on Jan 20, 2026 · 0.18
  7

• Replace Guava UnsignedBytes.checkedCast

  good first issueGuava
  bitcoinj/bitcoinj#4009 · Filter by author msgilligan opened on Jan 13, 2026 · 0.18
  1

  

• Finish serialization refactoring in DeterministicKey

  bitcoinj/bitcoinj#4008 · Filter by author msgilligan opened on Jan 13, 2026 · 0.18
  3

  

• Write deterministic/functional Bloom Filter tests

  bitcoinj/bitcoinj#4006 · Filter by author msgilligan opened on Jan 13, 2026
  1