diff --git a/src/aquarius/Aquarius.ts b/src/aquarius/Aquarius.ts
index 1718322..0ece540 100644
--- a/src/aquarius/Aquarius.ts
+++ b/src/aquarius/Aquarius.ts
@@ -169,7 +169,7 @@ export class Aquarius extends Instantiable {
     }
 
     public getServiceEndpoint(did: DID) {
-        return `${this.url}/api/v1/aquarius/assets/metadata/${did.getId()}`
+        return `${this.url}/api/v1/aquarius/assets/ddo/did:op:${did.getId()}`
     }
 
     private transformResult(
diff --git a/src/ddo/DDO.ts b/src/ddo/DDO.ts
index 909757b..8798e33 100644
--- a/src/ddo/DDO.ts
+++ b/src/ddo/DDO.ts
@@ -33,7 +33,7 @@ export class DDO {
         return new DDO(ddo)
     }
 
-    public "@context": string = "https://w3id.org/future-method/v1"
+    public "@context": string = "https://w3id.org/did/v1"
 
     /**
      * DID, descentralized ID.
@@ -102,7 +102,7 @@ export class DDO {
             this.id,
         ]
 
-        return Web3Provider.getWeb3().utils.sha3(values.join("")).replace(/^0x([a-f0-9]{32}).+$/i, "$1")
+        return Web3Provider.getWeb3().utils.sha3(values.join("")).replace(/^0x([a-f0-9]{64})(:!.+)?$/i, "$1")
     }
 
     /**
@@ -118,7 +118,7 @@ export class DDO {
         const signature = await ocean.utils.signature.signText(checksum, publicKey, password)
 
         return {
-            created: (new Date()).toISOString(),
+            created: new Date().toISOString().replace(/\.[0-9]{3}/, ""),
             creator: publicKey,
             type: "DDOIntegritySignature",
             signatureValue: signature,
diff --git a/src/ddo/MetaData.ts b/src/ddo/MetaData.ts
index 2a8e2b1..2402df4 100644
--- a/src/ddo/MetaData.ts
+++ b/src/ddo/MetaData.ts
@@ -240,7 +240,7 @@ export interface AdditionalInformation {
 }
 
 export interface MetaData {
-    additionalInformation: AdditionalInformation
+    additionalInformation?: AdditionalInformation
     base: MetaDataBase
-    curation: Curation
+    curation?: Curation
 }
diff --git a/src/ddo/PublicKey.ts b/src/ddo/PublicKey.ts
index d459490..f911057 100644
--- a/src/ddo/PublicKey.ts
+++ b/src/ddo/PublicKey.ts
@@ -13,7 +13,7 @@ export interface PublicKey {
      * Type of key.
      * @type {string}
      */
-    type: "Ed25519VerificationKey2018" | "RsaVerificationKey2018" | "EdDsaSAPublicKeySecp256k1"
+    type: "Ed25519VerificationKey2018" | "RsaVerificationKey2018" | "EdDsaSAPublicKeySecp256k1" | "EthereumECDSAKey"
 
     /**
      * Key owner.
diff --git a/src/keeper/contracts/DIDRegistry.ts b/src/keeper/contracts/DIDRegistry.ts
index 8627e77..c0c6686 100644
--- a/src/keeper/contracts/DIDRegistry.ts
+++ b/src/keeper/contracts/DIDRegistry.ts
@@ -15,7 +15,7 @@ export default class DIDRegistry extends ContractBase {
         return this.send(
             "registerAttribute",
             ownerAddress,
-            [zeroX(did), Web3Provider.getWeb3().utils.fromAscii(checksum), providers.map(zeroX), value],
+            [zeroX(did), zeroX(checksum), providers.map(zeroX), value],
         )
     }
 
diff --git a/src/keeper/contracts/templates/EscrowAccessSecretStoreTemplate.ts b/src/keeper/contracts/templates/EscrowAccessSecretStoreTemplate.ts
index 3c9c982..0652adc 100644
--- a/src/keeper/contracts/templates/EscrowAccessSecretStoreTemplate.ts
+++ b/src/keeper/contracts/templates/EscrowAccessSecretStoreTemplate.ts
@@ -1,6 +1,4 @@
 import { AgreementTemplate } from "./AgreementTemplate.abstract"
-import { LockRewardCondition, EscrowReward, AccessSecretStoreCondition } from "../conditions"
-import DIDRegistry from "../DIDRegistry"
 import { DDO } from "../../../ddo/DDO"
 import { generateId, zeroX } from "../../../utils"
 import { InstantiableConfig } from "../../../Instantiable.abstract"
diff --git a/src/ocean/OceanAssets.ts b/src/ocean/OceanAssets.ts
index 67c4884..14b9302 100644
--- a/src/ocean/OceanAssets.ts
+++ b/src/ocean/OceanAssets.ts
@@ -66,56 +66,45 @@ export class OceanAssets extends Instantiable {
             id: did.getDid(),
             authentication: [{
                 type: "RsaSignatureAuthentication2018",
-                publicKey: did.getDid() + "#keys-1",
+                publicKey: did.getDid(),
             }],
             publicKey: [
                 {
-                    id: did.getDid() + "#keys-1",
-                    type: "Ed25519VerificationKey2018",
-                    owner: did.getDid(),
-                    publicKeyBase58: await publisher.getPublicKey(),
+                    id: did.getDid(),
+                    type: "EthereumECDSAKey",
+                    owner: publisher.getId(),
                 },
             ],
             service: [
                 {
                     type: "Access",
+                    creator: "",
                     purchaseEndpoint: this.ocean.brizo.getPurchaseEndpoint(),
                     serviceEndpoint: this.ocean.brizo.getConsumeEndpoint(),
-                    serviceDefinitionId: String(serviceDefinitionIdCount++),
+                    name: "dataAssetAccessServiceAgreement",
                     templateId: templates.escrowAccessSecretStoreTemplate.getAddress(),
                     serviceAgreementTemplate,
                 },
-                {
-                    type: "Compute",
-                    serviceEndpoint: this.ocean.brizo.getComputeEndpoint(publisher.getId(), String(serviceDefinitionIdCount), "xxx", "xxx"),
-                    serviceDefinitionId: String(serviceDefinitionIdCount++),
-                },
                 {
                     type: "Authorization",
-                    services: "SecretStore",
+                    service: "SecretStore",
                     serviceEndpoint: secretStoreUri,
-                    serviceDefinitionId: String(serviceDefinitionIdCount++),
                 },
                 {
                     type: "Metadata",
                     serviceEndpoint,
-                    serviceDefinitionId: String(serviceDefinitionIdCount++),
                     metadata: {
                         // Default values
                         curation: {
                             rating: 0,
                             numVotes: 0,
                         },
-                        additionalInformation: {
-                            updateFrecuency: "yearly",
-                            structuredMarkup: [],
-                        },
                         // Overwrites defaults
                         ...metadata,
                         // Cleaning not needed information
                         base: {
                             ...metadata.base,
-                            contentUrls: [],
+                            contentUrls: undefined,
                             encryptedFiles,
                             files: metadata.base.files
                                 .map((file, index) => ({
@@ -126,13 +115,14 @@ export class OceanAssets extends Instantiable {
                         } as any,
                     },
                 },
-                ...services
-                    .map((_) => ({..._, serviceDefinitionId: String(serviceDefinitionIdCount++)})),
+                ...services,
             ]
                 // Remove duplications
                 .reverse()
                 .filter(({type}, i, list) => list.findIndex(({type: t}) => t === type) === i)
-                .reverse() as Service[],
+                .reverse()
+                // Adding ID
+                .map((_) => ({..._, serviceDefinitionId: String(serviceDefinitionIdCount++)})) as Service[],
         })
 
         // Overwritte initial service agreement conditions
diff --git a/src/utils/DDOHelpers.ts b/src/utils/DDOHelpers.ts
index bc9917a..1f41c2c 100644
--- a/src/utils/DDOHelpers.ts
+++ b/src/utils/DDOHelpers.ts
@@ -11,6 +11,8 @@ function fillParameterWithDDO(parameter: ServiceAgreementTemplateParameter, ddo:
             case "documentId":
             case "documentKeyId":
                 return ddo.shortId()
+            case "rewardAddress":
+                return ddo.publicKey[0].owner
         }
 
         return ""
diff --git a/test/ddo/DDO.test.ts b/test/ddo/DDO.test.ts
index 1459913..fa7f98f 100644
--- a/test/ddo/DDO.test.ts
+++ b/test/ddo/DDO.test.ts
@@ -247,7 +247,7 @@ describe("DDO", () => {
             const ddo = new DDO(testDDO)
             const checksum = ddo.getChecksum()
 
-            assert.equal(checksum, "15f27a7a3c7b15d2b06dec7347c6b8da")
+            assert.equal(checksum, "15f27a7a3c7b15d2b06dec7347c6b8da168adddd7df51a8ebbbe87b59b80049b")
         })
     })