cardano-foundation · Kammerlo · Mar 17, 2025 · Jul 8, 2025 · Jul 8, 2025 · Jul 9, 2025
diff --git a/CIP-0010/registry.json b/CIP-0010/registry.json
@@ -154,5 +154,9 @@
   {
     "transaction_metadatum_label": 61286,
     "description": "CIP-0015 - Catalyst deregistration"
+  },
+  {
+    "transaction_metadatum_label": "????",
+    "description": "CIP-???? - KERI-backed metadata attestations"
   }
 ]
diff --git a/CIP-????/README.md b/CIP-????/README.md
diff --git a/CIP-????/example-credential-chain.cesr b/CIP-????/example-credential-chain.cesr
@@ -0,0 +1,133 @@
+{
+    "v": "KERI10JSON000113_",
+    "t": "vcp",
+    "d": "EFfQPwW9s8HQV-zq2NTGks_WYT79Z046mhIJwPQxlfn0",
+    "i": "EFfQPwW9s8HQV-zq2NTGks_WYT79Z046mhIJwPQxlfn0",
+    "ii": "EOosFLj1gOfRFEx5g5TSCPdpml9jM9_jIaWI5pZO5YCU",
+    "s": "0",
+    "c": [
+        "NB"
+    ],
+    "bt": "0",
+    "b": [],
+    "n": "AFltXlPUmiWy8_v8d9f6jj1E2l7LX1UWjU7hGtrp-1xW"
+}-VAS-GAB0AAAAAAAAAAAAAAAAAAAAAABEKiuK7uqunvbRxirmi9gqfuOGfQSZuqCT9b0WEVFx_Cf
+{
+    "v": "KERI10JSON000113_",
+    "t": "vcp",
+    "d": "EOzV2Oj64Wwe9QetkB_FCmIvoTI_6OKn7nB4W51wJQ-a",
+    "i": "EOzV2Oj64Wwe9QetkB_FCmIvoTI_6OKn7nB4W51wJQ-a",
+    "ii": "EARtegK3M61uNJ5wyuznNjngYP0kJm1-KHv5fh-8UFWS",
+    "s": "0",
+    "c": [
+        "NB"
+    ],
+    "bt": "0",
+    "b": [],
+    "n": "AM0aXrE5B79nt1_FOffK7N_rMw1VkYLRe1KB60rwRplM"
+}-VAS-GAB0AAAAAAAAAAAAAAAAAAAAAABEPQN2EE4bNWu6-1vXoLMfTUumlHFEAr9-p4_CeoxfchP
+{
+    "v": "KERI10JSON000113_",
+    "t": "vcp",
+    "d": "EOWTJBCuCpDtamFQrepwyC2WwbsOzWIP0fhRnT8eZeLC",
+    "i": "EOWTJBCuCpDtamFQrepwyC2WwbsOzWIP0fhRnT8eZeLC",
+    "ii": "EF--c3_VLg-aaoI-y9kKc0XSQD2-bZoiyk0U7Vym9p-l",
+    "s": "0",
+    "c": [
+        "NB"
+    ],
+    "bt": "0",
+    "b": [],
+    "n": "AG_SUFGr-Nvk_t1Z7QUAjwsjoFw9GF4tZEt8IcNwrjFe"
+}-VAS-GAB0AAAAAAAAAAAAAAAAAAAAAABEFVhm8TjehsDvAJGxlI5ufy_Mxd5j-B1KSqB-YLC1JWV
+{
+    "v": "KERI10JSON0000ed_",
+    "t": "iss",
+    "d": "EOkDhM2BZL2dXuWydnDvIl7kWj5q2bVZXnPNLtr1Wtop",
+    "i": "EIUaX_JLblNtJQQg0gh7Ka4h64gbwOhqlPl9QC-7M6DZ",
+    "s": "0",
+    "ri": "EFfQPwW9s8HQV-zq2NTGks_WYT79Z046mhIJwPQxlfn0",
+    "dt": "2025-11-10T11:43:47.242000+00:00"
+}-VAS-GAB0AAAAAAAAAAAAAAAAAAAAAACEDFK7pUh-Ez7kk0knpLl1m8iA59_BE4_Rkv8QtHMbRuE
+{
+    "v": "KERI10JSON0000ed_",
+    "t": "iss",
+    "d": "ELlER5cq0f8sPsZKjz_jcdegz65uErDiCqfbYlYQHlim",
+    "i": "EBK-BG-8-ZhvQ7ml52PWOVJn30IUviSeC7VepeU_mZXK",
+    "s": "0",
+    "ri": "EOzV2Oj64Wwe9QetkB_FCmIvoTI_6OKn7nB4W51wJQ-a",
+    "dt": "2025-11-10T11:43:51.081000+00:00"
+}-VAS-GAB0AAAAAAAAAAAAAAAAAAAAAACEIXsXeDBh9kSbE4pvn3uCPzKxE9Pkg4t-JuRKyLGrUI9
+{
+    "v": "KERI10JSON0000ed_",
+    "t": "iss",
+    "d": "EOyo58VXZv4qVVs8jczoTmFlwffJDC8yirqpqecFW3jj",
+    "i": "EPSkZ1-E6ojESV9mt20vA0YUfoYAD8dxYyn4-ochHMtV",
+    "s": "0",
+    "ri": "EOWTJBCuCpDtamFQrepwyC2WwbsOzWIP0fhRnT8eZeLC",
+    "dt": "2025-11-10T11:43:58.630000+00:00"
+}-VAS-GAB0AAAAAAAAAAAAAAAAAAAAAACEFuQPJfiOsO71geAaItT4DGH7xr0ZtaDs8ycsnpxki6k
+{
+    "v": "ACDC10JSON000197_",
+    "d": "EIUaX_JLblNtJQQg0gh7Ka4h64gbwOhqlPl9QC-7M6DZ",
+    "i": "EOosFLj1gOfRFEx5g5TSCPdpml9jM9_jIaWI5pZO5YCU",
+    "ri": "EFfQPwW9s8HQV-zq2NTGks_WYT79Z046mhIJwPQxlfn0",
+    "s": "EBfdlu8R27Fbx-ehrqwImnK-8Cm79sqbAQ4MmvEAYqao",
+    "a": {
+        "d": "EC9iDB-5CIrhu_R68eXQ9HgDT_vxTqSPZXU-TPVzr6-F",
+        "i": "EARtegK3M61uNJ5wyuznNjngYP0kJm1-KHv5fh-8UFWS",
+        "dt": "2025-11-10T11:43:47.242000+00:00",
+        "LEI": "50670047U83746F70E20"
+    }
+}-IABEIUaX_JLblNtJQQg0gh7Ka4h64gbwOhqlPl9QC-7M6DZ0AAAAAAAAAAAAAAAAAAAAAAAEOkDhM2BZL2dXuWydnDvIl7kWj5q2bVZXnPNLtr1Wtop
+{
+    "v": "ACDC10JSON0005c8_",
+    "d": "EBK-BG-8-ZhvQ7ml52PWOVJn30IUviSeC7VepeU_mZXK",
+    "i": "EARtegK3M61uNJ5wyuznNjngYP0kJm1-KHv5fh-8UFWS",
+    "ri": "EOzV2Oj64Wwe9QetkB_FCmIvoTI_6OKn7nB4W51wJQ-a",
+    "s": "ENPXp1vQzRF6JwIuS-mp2U8Uf1MoADoP_GqQ62VsDZWY",
+    "a": {
+        "d": "EB9PCr5APfA1o9LRkO45kijrvoQuH1N5Te4U5JhjpzOO",
+        "i": "EF--c3_VLg-aaoI-y9kKc0XSQD2-bZoiyk0U7Vym9p-l",
+        "dt": "2025-11-10T11:43:51.081000+00:00",
+        "LEI": "50670047U83746F70E20"
+    },
+    "e": {
+        "d": "EC4U5Yxjv1TbJm6fVwi9b_mPr1kpqyv0EQM9Gb0AKDz8",
+        "qvi": {
+            "n": "EIUaX_JLblNtJQQg0gh7Ka4h64gbwOhqlPl9QC-7M6DZ",
+            "s": "EBfdlu8R27Fbx-ehrqwImnK-8Cm79sqbAQ4MmvEAYqao"
+        }
+    },
+    "r": {
+        "d": "EGZ97EjPSINR-O-KHDN_uw4fdrTxeuRXrqT5ZHHQJujQ",
+        "usageDisclaimer": {
+            "l": "Usage of a valid, unexpired, and non-revoked vLEI Credential, as defined in the associated Ecosystem Governance Framework, does not assert that the Legal Entity is trustworthy, honest, reputable in its business dealings, safe to do business with, or compliant with any laws or that an implied or expressly intended purpose will be fulfilled."
+        },
+        "issuanceDisclaimer": {
+            "l": "All information in a valid, unexpired, and non-revoked vLEI Credential, as defined in the associated Ecosystem Governance Framework, is accurate as of the date the validation process was complete. The vLEI Credential has been issued to the legal entity or person named in the vLEI Credential as the subject; and the qualified vLEI Issuer exercised reasonable care to perform the validation process set forth in the vLEI Ecosystem Governance Framework."
+        }
+    }
+}-IABEBK-BG-8-ZhvQ7ml52PWOVJn30IUviSeC7VepeU_mZXK0AAAAAAAAAAAAAAAAAAAAAAAELlER5cq0f8sPsZKjz_jcdegz65uErDiCqfbYlYQHlim
+{
+    "v": "ACDC10JSON000230_",
+    "d": "EPSkZ1-E6ojESV9mt20vA0YUfoYAD8dxYyn4-ochHMtV",
+    "i": "EF--c3_VLg-aaoI-y9kKc0XSQD2-bZoiyk0U7Vym9p-l",
+    "ri": "EOWTJBCuCpDtamFQrepwyC2WwbsOzWIP0fhRnT8eZeLC",
+    "s": "EJVgEQO8BEhGGM7GcAjlqoKG1upeuBZj9WjvjZo353sQ",
+    "a": {
+        "d": "EKGU79bIkzxFsr-ZcoOLyZyX5mD4ScRbylGNNVbeiOW3",
+        "i": "EKtQ1lymrnrh3qv5S18PBzQ7ukHGFJ7EXkH7B22XEMIL",
+        "dt": "2025-11-10T11:43:58.630000+00:00",
+        "labels": [
+            1447
+        ]
+    },
+    "e": {
+        "d": "EPvTf6H9kJBJ87jDXR-IM-jSwWoGwQ_AhuwnIpq0lhqG",
+        "le": {
+            "n": "EBK-BG-8-ZhvQ7ml52PWOVJn30IUviSeC7VepeU_mZXK",
+            "s": "ENPXp1vQzRF6JwIuS-mp2U8Uf1MoADoP_GqQ62VsDZWY"
+        }
+    }
+}-IABEPSkZ1-E6ojESV9mt20vA0YUfoYAD8dxYyn4-ochHMtV0AAAAAAAAAAAAAAAAAAAAAAAEOyo58VXZv4qVVs8jczoTmFlwffJDC8yirqpqecFW3jj
diff --git a/CIP-????/example-revocation-event.cesr b/CIP-????/example-revocation-event.cesr
@@ -0,0 +1,10 @@
+{
+    "v": "KERI10JSON000120_",
+    "t": "rev",
+    "d": "EIYQA02v1cjNrPn1KhIZXof56LRLmCNPWnaeSyZ87KeU",
+    "i": "EPSkZ1-E6ojESV9mt20vA0YUfoYAD8dxYyn4-ochHMtV",
+    "s": "1",
+    "ri": "EOWTJBCuCpDtamFQrepwyC2WwbsOzWIP0fhRnT8eZeLC",
+    "p": "EOyo58VXZv4qVVs8jczoTmFlwffJDC8yirqpqecFW3jj",
+    "dt": "2025-11-10T13:00:40.243000+00:00"
+}-VAS-GAB0AAAAAAAAAAAAAAAAAAAAAADEDNyGD0Vt0UgfX3NZuf3JhHY34kTzxGZfhApeISBCBUI
diff --git a/CIP-????/version_1.cddl b/CIP-????/version_1.cddl
@@ -0,0 +1,35 @@
+cardano_keri_metadata = {
+  ? uint => auth_event
+}
+
+auth_event = 
+  auth_begin /
+  auth_end /
+  attest
+
+auth_begin = {
+  t: "AUTH_BEGIN",
+  s: text,          ; SAID of leaf credential schema
+  i: text,          ; AID of signer
+  c: bytes,         ; Byte stream payload
+  ? m: metadata_map ; Optional metadata
+}
+
+attest = {
+  t: "ATTEST",
+  i: text,          ; AID of signer
+  d: text,          ; Digest
+  s: text           ; Hex-encoded sequence number
+}
+
+auth_end = {
+  t: "AUTH_END",
+  s: text,          ; SAID of leaf credential schema
+  i: text,          ; AID of signer
+  c: bytes,         ; Byte stream payload
+  ? m: metadata_map ; Optional metadata
+}
+
+metadata_map = {
+  * text => any
+}
diff --git a/CIP-????/version_1.json b/CIP-????/version_1.json
@@ -0,0 +1,106 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "title": "Cardano KERI Accountability Metadata",
+    "description": "Metadata schema for embedding KERI identifiers and authentication events (AUTH_BEGIN, ATTEST, AUTH_END) within Cardano transactions.",
+    "type": "object",
+    "patternProperties": {
+        "^[0-9]+$": {
+            "description": "Metadata label key (integer as string).",
+            "oneOf": [
+                {
+                    "type": "object",
+                    "properties": {
+                        "t": {
+                            "const": "AUTH_BEGIN"
+                        },
+                        "s": {
+                            "type": "string",
+                            "description": "Self-addressing identifier (SAID) of the leaf credential schema."
+                        },
+                        "i": {
+                            "type": "string",
+                            "description": "Autonomic Identifier (AID) of the signer."
+                        },
+                        "c": {
+                            "type": "string",
+                            "description": "Byte stream representing the credential or context."
+                        },
+                        "m": {
+                            "type": "object",
+                            "description": "Optional metadata block.",
+                            "additionalProperties": true
+                        }
+                    },
+                    "required": [
+                        "t",
+                        "s",
+                        "i",
+                        "c"
+                    ],
+                    "additionalProperties": false
+                },
+                {
+                    "type": "object",
+                    "properties": {
+                        "t": {
+                            "const": "ATTEST"
+                        },
+                        "i": {
+                            "type": "string",
+                            "description": "Autonomic Identifier (AID) of the signer."
+                        },
+                        "d": {
+                            "type": "string",
+                            "description": "Digest referencing the authenticated data."
+                        },
+                        "s": {
+                            "type": "string",
+                            "pattern": "^[0-9A-Fa-f]+$",
+                            "description": "Hex-encoded sequence number."
+                        }
+                    },
+                    "required": [
+                        "t",
+                        "i",
+                        "d",
+                        "s"
+                    ],
+                    "additionalProperties": false
+                },
+                {
+                    "type": "object",
+                    "properties": {
+                        "t": {
+                            "const": "AUTH_END"
+                        },
+                        "s": {
+                            "type": "string",
+                            "description": "Self-addressing identifier (SAID) of the leaf credential schema."
+                        },
+                        "i": {
+                            "type": "string",
+                            "description": "Autonomic Identifier (AID) of the signer."
+                        },
+                        "c": {
+                            "type": "string",
+                            "description": "Byte stream representing the credential or closing context."
+                        },
+                        "m": {
+                            "type": "object",
+                            "description": "Optional metadata block.",
+                            "additionalProperties": true
+                        }
+                    },
+                    "required": [
+                        "t",
+                        "s",
+                        "i",
+                        "c"
+                    ],
+                    "additionalProperties": false
+                }
+            ]
+        }
+    },
+    "additionalProperties": false
+}