PayJoin adoption: Difference between revisions
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| LND || {{Acceptable|Extension}} || {{Acceptable|Extension}} || [https://github.com/chaincase-app/nolooking nolooking bip 78 web app alpha], [https://github.com/alexbosworth/balanceofsatoshis/blob/9f2d32904617088069aa1f930db211711ba415e5/CHANGELOG.md?plain=1#L1494 Non-BIP78 dual funding via BoS] | | LND || {{Acceptable|Extension}} || {{Acceptable|Extension}} || [https://github.com/chaincase-app/nolooking nolooking bip 78 web app alpha], [https://github.com/alexbosworth/balanceofsatoshis/blob/9f2d32904617088069aa1f930db211711ba415e5/CHANGELOG.md?plain=1#L1494 Non-BIP78 dual funding via BoS] | ||
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| [https://mutinywallet.com Mutiny Wallet] || {{ | | [https://mutinywallet.com Mutiny Wallet] || {{Yes}} || {{Evaluating}} || Send [https://njump.me/nevent1qqsrtpdy9jd5r0dpsxcm4y5jw75zdcsgam2ka3shfj6xwu9ddmxlclqp2amhxue69uhkv6tvw3jhytnwdaehgu3wwa5kuef0dec82c33d46hgmnev93kxwt4vv68gdtdd4u8vurswfmhxct4dg6hqvn30pcnjdtkx3snj63sdfuxcwrhde4kvan409ch2efjxdmxwqgdwaehxw309ahx7uewd3hkcqgcwaehxw309aex2mrp0yh8xmn0wf6zuum0vd5kzmqpzpmhxue69uhkummnw3ezuamfdejsz9rhwden5te0wfjkccte9ejxzmt4wvhxjmcpzemhxue69uhhyetvv9ujumn0wd68ytnzv9hxgqguwaehxw309ahx7um5wghx6at5d9h8jampd3kx2apwvdhk6qghwaehxw309ahx7um5wghxvmt59emkj73wvf5h5h30rus released in v0.5.7] receiver [https://github.com/MutinyWallet/mutiny-node/pull/820 in progresss], [https://stacker.news/items/200410 "payer side" PDK evaluation from Mutiny devs], [https://github.com/MutinyWallet/mutiny-node/issues/194 planning issue] | ||
|- | |- | ||
| Mycelium || {{No}} || {{No}} || | | Mycelium || {{No}} || {{No}} || | ||
Latest revision as of 14:31, 19 August 2024
PayJoin is a privacy improvement for bitcoin. Payjoin solves the sole privacy problem left open in the Bitcoin whitepaper, that transactions with multiple inputs "necessarily reveal that their inputs were owned by the same owner," because both the sender and receiver of a transfer contribute inputs to the transaction.
Transaction surveillance companies heavily depend on the common input ownership assumption which is broken by PayJoin transactions. So if those transactions became even a little bit widespread they could massively decrease the reliability of blockchain surveillance. Those who adopt PayJoin would find their privacy improved from strangers analyzing the blockchain. For example a surveillance company spy would find it much harder to figure out which addresses and transactions belonged to a particular merchant that was using PayJoin, or who else transacted to them.
PayJoin transactions can be made indistinguishable from regular bitcoin transactions by design, so it's very hard to get an accurate number for how common they are.
The most widely adopted PayJoin protocol standard is BIP 0078.
| No | |
| Evaluating | |
| Planned | The developers said they plan to |
| Non-BIP78 | Implements a form of PayJoin but not BIP78 |
| Extension | Can PayJoin using additional software |
| Yes | Feature has been released |
Software Wallets
Software Libraries
| Name | Sending | Receiving | Notes |
|---|---|---|---|
| PDK | Yes | Yes | https://github.com/payjoin/rust-payjoin |
| bitcoin-s | Evaluating | Evaluating | https://github.com/bitcoin-s/bitcoin-s/issues/1362 |
Hardware Wallets
| Name | Signing | Notes |
|---|---|---|
| Coldcard | Yes | Hardware can sign bip78 payjoins and also http://ckbunker.com/ |
| SeedSigner | Yes | https://twitter.com/KeithMukai/status/1654235825129893893 |
| Trezor Model One | Yes | https://stacker.news/items/174289 |
| Trezor Model T | Yes | https://stacker.news/items/174289 |
Payment processors
| Name | Receive | Notes |
|---|---|---|
| BTCPay | Yes | First implementer of BIP78 payjoin for merchants. |
| SatSale | Planned | https://github.com/SatSale/SatSale/issues/39 https://twitter.com/SatoshiSale/status/1658894420295684096 |
Exchanges
P2P exchanges make the most sense as early adoptors of PayJoin. All exchanges are welcome on this list of course.
| Name | Send to exchange | Receive from exchange | Notes |
|---|---|---|---|
| AgoraDesk | No | No | |
| Bisq | No | No | |
| Boltz | Evaluating | Evaluating | https://stacker.news/items/83396 |
| Bull Bitcoin | Planned | Planned | https://twitter.com/francispouliot_/status/1138131827258986499 |
| Hodl Hodl | Planned | Planned | https://twitter.com/hodlhodl/status/1352266122389827584 |
| LocalBitcoins | No | No | |
| LocalCoinSwap | No | No | |
| LocalCryptos | No | No | |
| Paxful.com | No | No | |
| Portico Exchange | Evaluating | Evaluating | https://twitter.com/PorticoExchange/status/1671095545719590912 |
| Sideshift.ai | Yes | No | For "To send" choose "Bitcoin PayJoin" |
Non-profits
| Name | Receive | URL | Notes |
|---|---|---|---|
| payjoin.org | Yes | https://payjoin.org/ | |
| Human Rights Foundation | Yes | https://hrf.org/donate-bitcoin/payjoin/ | |
| Waxwing's personal donation page | Yes | https://joinmarket.me/donations/ | |
| Max Hillebrand's donation page | Yes | https://towardsliberty.com/btcpay/apps/27jLc1qpN8UXcQanHgeAsaEgLAio/pos |
Casinos
Bitcoin casinos are very natural early-adopters of PayJoin. An early protocol specification for it, called bustapay, was created by the owner of a bitcoin casino.
| Name | Send to | Receive | Notes |
|---|---|---|---|
| Bustabit | No | No |
Stores
| Name | Receive | Notes |
|---|---|---|
| Aupa Beef Bars | Yes | https://twitter.com/EatAupa/status/1675307138288168960 |
| Ideas Like Flames | Yes | https://twitter.com/ideaslikeflames/status/1389746824009949191 |
| The Kratom Syndicate | Yes | https://thekratomsyndicate.com/blog/buying-kratom-with-payjoin.html |
| Namecheap | Yes | https://www.namecheap.com buy domains with BTCPayServer |
| Satoshi Coffee Co. | Yes | https://twitter.com/satscoffee/status/1679923696729837568 |