| payjoin-cli |
fallback_pr |
39 |
🔵 |
🔵 |
🔵 |
THE reference implementation. Every feature gets tested… |
| Cake Wallet |
their_engineering_time_and_our_release |
38 |
🔵 |
🔵 |
🟢 |
Big name in privacy wallet space. 500k users edges leverage… |
| Bull Bitcoin Mobile |
our_engineering_time |
37 |
🔵 |
🔵 |
🟡 |
High leverage as reference implementation and close team… |
| Boltz |
release_1.0 |
35 |
🔵 |
🟢 |
🟡 |
- |
| Cyphernode (Bull Bitcoin Exchange) |
Exchange integration via Cyphernode |
33 |
🔵 |
🟡 |
🟡 |
Bull Bitcoin Exchange backend. High volume exchange… |
| Sparrow |
Kotlin bindings + Craig buy-in |
33 |
🔵 |
🟡 |
🟡 |
Everywhere, we use it. Need Kotlin bindings and convince… |
| Ledger Live |
no_std support + TypeScript bindings |
31 |
🔵 |
🟠|
🟡 |
Millions of users. Salvatore Ingala asked directly in our… |
| Strike |
their_engineering_time |
31 |
🔵 |
🟡 |
🔴 |
Massive exchange, huge signal if they adopt. C# bindings… |
| Bitcoin Core |
C++ bindings (for PoC) OR UX Design story |
31 |
🔵 |
🟠|
🟡 |
THE reference implementation - maximum leverage if Core… |
| Cash App |
Case study |
30 |
🔵 |
🟠|
🟠|
Massive mainstream user base. Have allies at Block but high… |
| LDK-Node |
async_persist_api_pr |
30 |
🟢 |
🟢 |
🟢 |
- |
| BTCPay Server |
plugin scoping and prototype |
29 |
🟢 |
🟡 |
🔵 |
C# UniFFI bindings merged (payjoin-ffi). Plugin… |
| Kraken |
Corporate outreach + unknown stack |
28 |
🔵 |
🔴 |
🟠|
Massive exchange. Would be huge signal. Unknown tech stack,… |
| Bitrefill |
Outreach + JS integration |
28 |
🟢 |
🟡 |
🟢 |
Major Bitcoin merchant. High volume gift card/refill… |
| Green |
C++ bindings |
28 |
🟢 |
🟡 |
🟢 |
Big wallet. Adam Back is bought in which helps leverage and… |
| Fedimint |
Consensus signing PoC |
28 |
🟢 |
🟡 |
🟢 |
Almost as big as exchange, makes massive news. Need to… |
| Breez |
SDK integration approach |
27 |
🟢 |
🟡 |
🟡 |
SDK used by many apps - multiplier effect. Rust-friendly.… |
| River |
Elixir bindings + behind other exchanges |
27 |
🔵 |
🔴 |
🔴 |
Huge Bitcoin-only exchange. Alex Lieshman. Elixir backend -… |
| Voltage |
1.0 audit |
27 |
🟢 |
🟡 |
🟡 |
Big LN infrastructure provider but not huge. Tech is there,… |
| Bitment |
Playing with the software |
27 |
🟡 |
🔵 |
🔵 |
Accounting software - testing payjoin awareness. Case study… |
| Trezor Suite |
Corporate + TypeScript integration |
25 |
🟢 |
🟠|
🟡 |
Major HW wallet software. Huge user base. TypeScript - need… |
| BlueWallet |
JS bindings + RN integration |
25 |
🟢 |
🟠|
🟡 |
Very popular mobile wallet (3k+ stars). Need good JS/WASM… |
| Phoenix |
Kotlin bindings |
25 |
🟢 |
🟠|
🟡 |
Popular mobile LN wallet from ACINQ. Large user base. Need… |
| Specter Desktop |
Python integration attempt |
24 |
🟡 |
🟢 |
🟢 |
Popular among self-custody users with hardware wallets.… |
| Electrum |
Sending PoC plugin attempt |
24 |
🟡 |
🟢 |
🟢 |
Everyone has Electrum but manual plugin install sucks.… |
| Blixt |
JS release / Channel Open example w/ 1.0 |
24 |
🟡 |
🟢 |
🟢 |
Smaller than Zeus, lower crowd. Higher feasibility than… |
| Relai |
Behind Cash App, need competitive pressure |
23 |
🟢 |
🔴 |
🟡 |
Swiss exchange. Adam Belican. Smaller than River. Somewhat… |
| Bria |
our_engineering_time |
23 |
🟡 |
🟢 |
🟡 |
- |
| Blink |
bria_integration_first |
22 |
🟡 |
🟡 |
🟢 |
Galoy-based community banking app (Bitcoin Beach wallet).… |
| Swan |
Outreach + stack discovery |
20 |
🟡 |
🟠|
🟢 |
Bitcoin-only exchange, aligned values, DCA focused. Cory… |
| Zeus |
JS release / Channel Open example |
20 |
🟡 |
🟡 |
🟠|
Real users, popular self-custodial LN wallet, influential… |
| Nunchuk |
C++ bindings |
20 |
🟡 |
🟠|
🟢 |
Multisig-focused wallet, sophisticated high-value users.… |
| Liana |
bens_poc_receive_pr |
20 |
🟡 |
🟡 |
🟠|
- |
| Alpen |
Their open source launch |
20 |
🟡 |
🟡 |
🟠|
VC-backed L2, pre-mainnet. Like Ark - peg in/out via hacky… |
| LNbits |
Python integration |
19 |
🟠|
🟢 |
🔵 |
LN accounting/extensions platform. Python - we have… |
| Coinkite Store |
They fund us but store doesn't even support LN yet |
19 |
🟡 |
🔴 |
🔵 |
Coldcard maker. NVK. Products support payjoin but custom… |
| Eclair |
Scala/JVM bindings |
19 |
🟡 |
🟠|
🟡 |
ACINQ's Lightning implementation. Solid team but Scala is… |
| Wasabi |
their_engineering_time |
19 |
🟠|
🟢 |
🔵 |
Already kind of supports Payjoin (v1) so incremental… |
| FullyNoded |
Swift bindings |
18 |
🟠|
🟢 |
🟢 |
Fontaine will probably tinker and figure things out… |
| Cashu Dev Kit |
contacting_thesimplekid_for_1.0_update |
18 |
🟡 |
🟠|
🟠|
- |
| Bitcoin Safe |
Python integration |
18 |
🟠|
🟢 |
🟢 |
Desktop wallet, Python-based. We have Python bindings so… |
| Proton Wallet |
Need to convince - wallet not their main focus |
17 |
🟠|
🟢 |
🟡 |
Proton's Bitcoin wallet. Need convincing more than… |
| Foundation Devices |
reopening_relationship_cold_wallet_example |
17 |
🟠|
🟡 |
🔵 |
- |
| Trident Wallet |
Their open source launch OR new interest from Rob |
17 |
🟡 |
🔴 |
🟡 |
Anchor Watch's insured bitcoin self-custody product. Closed… |
| Stack Wallet |
Flutter/Dart bindings |
16 |
🟠|
🟡 |
🟢 |
Multi-coin wallet with smaller Bitcoin-only user base. Need… |
| Cove |
Swift/Kotlin bindings |
16 |
🟠|
🟡 |
🟢 |
Mobile Bitcoin wallet. Needs Swift and Kotlin bindings for… |
| Lexe |
Evaluating async callbacks |
15 |
🟠|
🟡 |
🟡 |
Rust wallet, needed async API (which we mostly have).… |
| BDK-CLI |
async_status |
15 |
🔴 |
🔵 |
🔵 |
Testing tool, nobody uses it. BB Mobile dart example… |
| bitcoin-s |
Scala/JVM bindings |
13 |
🟠|
🟠|
🟡 |
Scala Bitcoin library. Niche ecosystem but maintained. |
| nolooking LND |
pdk_1.0 |
13 |
🔴 |
🔵 |
🟡 |
Reference implementation for LN channel opens via Payjoin.… |
| JAM |
Writing Python PoC |
10 |
🔴 |
🟡 |
🟢 |
JoinMarket frontend. Have bindings but FE work needed. Team… |
| bitmask-core |
no longer open source (?) |
7 |
🔴 |
🟠|
🟡 |
Small userbase, relatively unknown project without economic… |
| Kumuly |
Bram's time |
7 |
🔴 |
🟠|
🟡 |
Collaborator's project. Self-custodial Lightning wallet… |