diff --git a/src/api/contracts.ts b/src/api/contracts.ts
index bc3594a..26ed438 100644
--- a/src/api/contracts.ts
+++ b/src/api/contracts.ts
@@ -3,8 +3,11 @@ import { Contract, Signer } from "ethers"
 import { BACKEND_URL } from "@/constants"
 import { http } from "./common"
 
+export enum Contracts {
+  Adapter = "IAdapter",
+}
+
 async function getContractAbi(contractName: string): Promise<any> {
-  // TODO: take artifact URL from instance config
   const url = `${BACKEND_URL}/contracts/${contractName}.json`
   const response = await http(url, {
     method: "GET",
diff --git a/src/api/instance.ts b/src/api/instance.ts
index 4178ce5..2181192 100644
--- a/src/api/instance.ts
+++ b/src/api/instance.ts
@@ -9,7 +9,6 @@ export interface InstanceInfo {
   registrations: boolean;
   login_message: string;
   blockchain_explorer_url: string | null;
-  blockchain_contract_name: string | null;
   blockchain_contract_address: string | null;
   ipfs_gateway_url: string | null;
 }
diff --git a/src/api/nft.ts b/src/api/nft.ts
index fa8eb9a..e283c44 100644
--- a/src/api/nft.ts
+++ b/src/api/nft.ts
@@ -4,7 +4,7 @@ import { TransactionResponse } from "@ethersproject/abstract-provider"
 import { BACKEND_URL } from "@/constants"
 import { Signature } from "@/utils/ethereum"
 import { http } from "./common"
-import { getContract } from "./contracts"
+import { Contracts, getContract } from "./contracts"
 import { Post } from "./posts"
 
 export async function makePermanent(
@@ -49,14 +49,13 @@ export interface TokenMetadata {
 }
 
 export async function mintToken(
-  contractName: string,
   contractAddress: string,
   signer: Signer,
   ownerAddress: string,
   tokenUri: string,
   serverSignature: Signature,
 ): Promise<TransactionResponse> {
-  const adapter = await getContract(contractName, contractAddress, signer)
+  const adapter = await getContract(Contracts.Adapter, contractAddress, signer)
   const transaction = await adapter.mint(
     ownerAddress,
     tokenUri,
diff --git a/src/api/subscriptions.ts b/src/api/subscriptions.ts
index 6d0e271..355c359 100644
--- a/src/api/subscriptions.ts
+++ b/src/api/subscriptions.ts
@@ -4,7 +4,7 @@ import { TransactionResponse } from "@ethersproject/abstract-provider"
 import { BACKEND_URL } from "@/constants"
 import { Signature } from "@/utils/ethereum"
 import { http } from "./common"
-import { getContract } from "./contracts"
+import { Contracts, getContract } from "./contracts"
 
 export async function getSubscriptionAuthorization(
   authToken: string,
@@ -23,13 +23,12 @@ export async function getSubscriptionAuthorization(
 }
 
 export async function configureSubscription(
-  contractName: string,
   contractAddress: string,
   signer: Signer,
   recipientAddress: string,
   serverSignature: Signature,
 ): Promise<TransactionResponse> {
-  const adapter = await getContract(contractName, contractAddress, signer)
+  const adapter = await getContract(Contracts.Adapter, contractAddress, signer)
   const transaction = await adapter.configureSubscription(
     recipientAddress,
     serverSignature.v,
@@ -40,12 +39,11 @@ export async function configureSubscription(
 }
 
 export async function isSubscriptionConfigured(
-  contractName: string,
   contractAddress: string,
   signer: Signer,
   recipientAddress: string,
 ): Promise<boolean> {
-  const adapter = await getContract(contractName, contractAddress, signer)
+  const adapter = await getContract(Contracts.Adapter, contractAddress, signer)
   const result = await adapter.isSubscriptionConfigured(recipientAddress)
   return result
 }
diff --git a/src/components/Post.vue b/src/components/Post.vue
index 23ac29f..2a0c5c6 100644
--- a/src/components/Post.vue
+++ b/src/components/Post.vue
@@ -457,7 +457,6 @@ export default class PostComponent extends Vue {
     if (
       !currentUser ||
       !instance ||
-      !instance.blockchain_contract_name ||
       !instance.blockchain_contract_address
     ) {
       return
@@ -488,7 +487,6 @@ export default class PostComponent extends Vue {
     }
     try {
       const transaction = await mintToken(
-        instance.blockchain_contract_name,
         instance.blockchain_contract_address,
         signer,
         currentUser.wallet_address,
diff --git a/src/views/Profile.vue b/src/views/Profile.vue
index 634aa9b..08f673c 100644
--- a/src/views/Profile.vue
+++ b/src/views/Profile.vue
@@ -316,7 +316,6 @@ export default class ProfileView extends Vue {
       !this.profile ||
       !this.profile.wallet_address ||
       !instance ||
-      !instance.blockchain_contract_name ||
       !instance.blockchain_contract_address
     ) {
       return
@@ -326,7 +325,6 @@ export default class ProfileView extends Vue {
       return
     }
     this.subscriptionConfigured = await isSubscriptionConfigured(
-      instance.blockchain_contract_name,
       instance.blockchain_contract_address,
       signer,
       this.profile.wallet_address,
@@ -338,7 +336,6 @@ export default class ProfileView extends Vue {
     if (
       !currentUser ||
       !instance ||
-      !instance.blockchain_contract_name ||
       !instance.blockchain_contract_address
     ) {
       return
@@ -351,7 +348,6 @@ export default class ProfileView extends Vue {
     const authToken = this.store.ensureAuthToken()
     const signature = await getSubscriptionAuthorization(authToken)
     await configureSubscription(
-      instance.blockchain_contract_name,
       instance.blockchain_contract_address,
       signer,
       currentUser.wallet_address,