Stellar SEPs & CAPs
Ecosystem and Core proposals from stellar/stellar-protocol. How the process works →
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58 standards
Active— 18
- SEP-0001Stellar Info Filestellar.org2025-01-16
- SEP-0006Deposit and Withdrawal APISDF2025-09-10
- SEP-0007URI Scheme to facilitate delegated signingNikhil Saraf (Lightyear.io / SDF)2020-07-29
- SEP-0008Regulated AssetsTomer Weller <@tomerweller>, Howard Chen <@howardtw>, Christian Peters (DSTOQ) <@shredding>, Leigh McCulloch <@leighmcculloch>2022-02-21
- SEP-0009Standard KYC Fieldsstellar.org2024-04-22
- SEP-0010Stellar Web AuthenticationSergey Nebolsin <@nebolsin>, Tom Quisel <tom.quisel@gmail.com>, Leigh McCulloch <@leighmcculloch>, Jake Urban <@jakeurban>2024-03-20
- SEP-0011Txrep: human-readable low-level representation of Stellar transactionsDavid Mazières2021-10-09
- SEP-0012KYC APIInterstellar2024-07-23
- SEP-0014Dynamic Asset MetadataOrbitLens <@orbitlens> <orbit.lens@gmail.com>, Paul Tiplady <paul@qwil.com>2019-03-12
- SEP-0018Data Entry NamespacesMisterTicot (@misterticot), Leigh McCulloch (@leighmcculloch)2020-06-30
- SEP-0020Self-verification of validator nodesJohan Stén <johan@futuretense.io>2018-05-06
- SEP-0023StrkeysDavid Mazières, Tomer Weller <@tomerweller>, Leigh McCulloch <@leighmcculloch>, Alfonso Acosta <@2opremio>2025-02-07
- SEP-0024Hosted Deposit and WithdrawalSDF2025-09-10
- SEP-0029Account Memo RequirementsOrbitLens, Tomer Weller, Leigh McCulloch, David Mazières2020-05-04
- SEP-0031Cross-Border Payments APISDF2024-11-05
- SEP-0033Identicons for Stellar AccountsLobstr.co, Gleb Pitsevich (@pitsevich)2021-04-20
- SEP-0046Contract MetaLeigh McCulloch2025-04-16
- SEP-0048Contract Interface SpecificationLeigh McCulloch2025-04-16
Final— 6
- SEP-0002Federation protocolstellar.org2019-10-10
- SEP-0004Tx Status Endpointstellar.org2017-10-30
- SEP-0005Key Derivation Methods for Stellar KeysSDF2020-06-16
- SEP-0028XDR Base64 EncodingLeigh McCulloch <@leighmcculloch>2019-12-19
- SEP-0034Wallet Request Attribution for AnchorsJake Urban, Leigh McCulloch2020-08-17
- SEP-0053Sign and Verify MessagesJun Luo (@overcat), Pamphile Roy (@tupui), OrbitLens (@orbitlens), Piyal Basu (@piyalbasu)2026-06-18
Draft— 31
- SEP-0015Attachment Conventionstellar.org2018-08-03
- SEP-0016Account Transfer Permissionless Payment Protocol (atp3)Jeremy Rubin2018-11-07
- SEP-0017Issuer account funding protocol (CAP-13 Based)Tom Quisel2018-12-14
- SEP-0019Bootstrapping Multisig Transaction SubmissionPaul Selden <@pselden> <paul.selden@stellarguard.me>, Nikhil Saraf <@nikhilsaraf>2018-12-07
- SEP-0021On-chain signature & transaction sharingMister.Ticot2018-08-31
- SEP-0022IPFS SupportSamuel B. Sendelbach <sbsends@gmail.com>2018-11-11
- SEP-0025New account deposit@msfeldstein2019-10-29
- SEP-0027Asset InformationFritz Ekwoge(@efritze), Ernest Mbenkum (@cameroon)2019-11-22
- SEP-0030Account Recovery: multi-party recovery of Stellar accountsLeigh McCulloch <@leighmcculloch>, Lindsay Lin <@capybaraz>2021-05-04
- SEP-0032Asset AddressLeigh McCulloch (@leighmcculloch)2020-10-29
- SEP-0035Operation IDsScott Fleckenstein (@nullstyle), Isaiah Turner (@Isaiah-Turner), Debnil Sur (@debnil)2020-08-26
- SEP-0037Address Directory APIOrbitLens <@orbitlens> <orbit@stellar.expert>2020-09-04
- SEP-0038Anchor RFQ APIJake Urban <@jakeurban> and Leigh McCulloch <@leighmcculloch>2025-02-26
- SEP-0039Interoperability Recommendations for NFTsSDF, Frederic Rezeau <@FredericRezeau>03-21-2022
- SEP-0040Oracle Consumer InterfaceAlex Mootz <@mootz12>, OrbitLens <@orbitlens>, Markus Paulson-Luna <@markus_0_>2023-05-13
- SEP-0041Soroban Token InterfaceJonathan Jove <@jonjove>, Siddharth Suresh <@sisuresh>, Simon Chow <@chowbao>, Leigh McCulloch <@leighmcculloch>2026-08-03
- SEP-0042Stellar Asset List (SAL)Tim Baker <@silence48>, Orbit Lens <@orbitlens>2023-11-29
- SEP-0043Standard Web Wallet API InterfacePiyal Basu <piyal@stellar.org>, Leigh McCulloch <@leighmcculloch>, George Kudrayvtsev <george@stellar.org>, Enrique Arrieta <@earrietadev>, Orbit Lens <@orbitlens>2024-04-11
- SEP-0044Soroban Token Interface Extension: MemoLeigh McCulloch <@leighmcculloch>2024-09-09
- SEP-0045Stellar Web Authentication for Contract AccountsPhilip Liu <@philipliu>, Marcelo Salloum <@marcelosalloum>, Leigh McCulloch <@leighmcculloch>2025-12-16
- SEP-0047Contract Interface DiscoveryLeigh McCulloch2025-02-14
- SEP-0049Upgradeable ContractsOpenZeppelin, Boyan Barakov <@brozorec>, Özgün Özerk <@ozgunozerk>2025-03-08
- SEP-0050Non-Fungible TokensOpenZeppelin, Boyan Barakov <@brozorec>, Özgün Özerk <@ozgunozerk>2025-03-10
- SEP-0051XDR-JSONLeigh McCulloch2025-05-13
- SEP-0052Key Sharing Method for Stellar KeysPamphile Roy <@tupui>, Jun Luo <@overcat>2025-01-15
- SEP-0054Ledger Metadata StorageTamir Sen <@tamirms>2026-01-07
- SEP-0055Contract Build VerificationNando Vieira <@fnando>2025-03-12
- SEP-0056Tokenized Vault StandardOpenZeppelin, Boyan Barakov <@brozorec>, Özgün Özerk <@ozgunozerk>, Sentinel <@SentinelFi>2025-11-06
- SEP-0057T-REX (Token for Regulated EXchanges)OpenZeppelin, Boyan Barakov <@brozorec>, Özgün Özerk <@ozgunozerk>, Dennis O'Connell <@droconnel22>2026-06-11
- SEP-0058Contract Build Reproducibility for VerificationLeigh McCulloch <@leighmcculloch>2026-07-15
- SEP-0059External Account APIAnthony Barker (@antb123)2026-05-15