diff --git a/OsmAnd/src/net/osmand/plus/mapcontextmenu/MenuBuilder.java b/OsmAnd/src/net/osmand/plus/mapcontextmenu/MenuBuilder.java
index 183e41a84f..93f2bdf6b5 100644
--- a/OsmAnd/src/net/osmand/plus/mapcontextmenu/MenuBuilder.java
+++ b/OsmAnd/src/net/osmand/plus/mapcontextmenu/MenuBuilder.java
@@ -421,7 +421,7 @@ public class MenuBuilder {
 					new Thread(new Runnable() {
 						@Override
 						public void run() {
-							if (openDBAPI.checkPrivateKeyValid(baseUrl, name, privateKey)) {
+							if (openDBAPI.checkPrivateKeyValid(app, baseUrl, name, privateKey)) {
 								app.runInUIThread(new Runnable() {
 									@Override
 									public void run() {
diff --git a/OsmAnd/src/net/osmand/plus/mapcontextmenu/UploadPhotosAsyncTask.java b/OsmAnd/src/net/osmand/plus/mapcontextmenu/UploadPhotosAsyncTask.java
index 30932e8b42..1bb48ff1f0 100644
--- a/OsmAnd/src/net/osmand/plus/mapcontextmenu/UploadPhotosAsyncTask.java
+++ b/OsmAnd/src/net/osmand/plus/mapcontextmenu/UploadPhotosAsyncTask.java
@@ -131,12 +131,12 @@ public class UploadPhotosAsyncTask extends AsyncTask<Void, Integer, Void> {
 			try {
 				StringBuilder error = new StringBuilder();
 				String privateKey = app.getSettings().OPR_ACCESS_TOKEN.get();
-				String username = app.getSettings().OPR_USERNAME.get();
+				String name = app.getSettings().OPR_BLOCKCHAIN_NAME.get();
 				res = openDBAPI.uploadImage(
 						placeId,
 						baseUrl,
 						privateKey,
-						username,
+						name,
 						response, error);
 				if (res != 200) {
 					app.showToastMessage(error.toString());
@@ -170,7 +170,7 @@ public class UploadPhotosAsyncTask extends AsyncTask<Void, Integer, Void> {
 		String baseUrl = OPRConstants.getBaseUrl(app);
 		String name = app.getSettings().OPR_USERNAME.get();
 		String privateKey = app.getSettings().OPR_ACCESS_TOKEN.get();
-		if (openDBAPI.checkPrivateKeyValid(baseUrl, name, privateKey)) {
+		if (openDBAPI.checkPrivateKeyValid(app, baseUrl, name, privateKey)) {
 			app.showToastMessage(R.string.cannot_upload_image);
 		} else {
 			app.runInUIThread(new Runnable() {
diff --git a/OsmAnd/src/net/osmand/plus/osmedit/opr/OpenDBAPI.java b/OsmAnd/src/net/osmand/plus/osmedit/opr/OpenDBAPI.java
index a16361c8bd..62612f2ffe 100644
--- a/OsmAnd/src/net/osmand/plus/osmedit/opr/OpenDBAPI.java
+++ b/OsmAnd/src/net/osmand/plus/osmedit/opr/OpenDBAPI.java
@@ -3,10 +3,15 @@ package net.osmand.plus.osmedit.opr;
 import android.net.TrafficStats;
 import android.os.Build;
 
+import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import com.google.gson.JsonSyntaxException;
+import com.google.gson.reflect.TypeToken;
 
 import net.osmand.PlatformUtil;
 import net.osmand.osm.io.NetworkUtils;
+import net.osmand.plus.OsmandApplication;
+import net.osmand.util.Algorithms;
 
 import org.apache.commons.logging.Log;
 import org.bouncycastle.jce.provider.BouncyCastleProvider;
@@ -27,6 +32,7 @@ import java.security.KeyPair;
 import java.security.Security;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
@@ -40,7 +46,7 @@ public class OpenDBAPI {
 	public static final String PURPOSE = "osmand-android";
 	private static final Log log = PlatformUtil.getLog(SecUtils.class);
 	private static final String checkLoginEndpoint = "api/auth/user-check-loginkey?";
-	private static final String LOGIN_SUCCESS_MESSAGE = "{\"result\":\"OK\"}";
+	private static final String LOGIN_SUCCESS_MESSAGE = "\"result\":\"OK\"";
 	private static final int THREAD_ID = 11200;
 
 	/*
@@ -51,7 +57,7 @@ public class OpenDBAPI {
 	 * Need to encode key
 	 * Do not call on mainThread
 	 */
-	public boolean checkPrivateKeyValid(String baseUrl, String username, String privateKey) {
+	public boolean checkPrivateKeyValid(OsmandApplication app, String baseUrl, String username, String privateKey) {
 		String url = null;
 		try {
 			String purposeParam = "purpose=" + PURPOSE;
@@ -65,9 +71,29 @@ public class OpenDBAPI {
 		} catch (UnsupportedEncodingException e) {
 			return false;
 		}
+
 		StringBuilder response = new StringBuilder();
-		return (NetworkUtils.sendGetRequest(url,null,response) == null) &&
-				response.toString().contains(LOGIN_SUCCESS_MESSAGE);
+		String error = NetworkUtils.sendGetRequest(url, null, response);
+		if (error == null) {
+			String responseStr = response.toString();
+			try {
+				Map<String, String> map = new Gson().fromJson(
+						responseStr, new TypeToken<HashMap<String, String>>() {
+						}.getType()
+				);
+				if (Algorithms.isEmpty(map) && map.containsKey("blockchain-name")) {
+					String blockchainName = map.get("blockchain-name");
+					app.getSettings().OPR_BLOCKCHAIN_NAME.set(blockchainName);
+				} else {
+					return false;
+				}
+			} catch (JsonSyntaxException e) {
+				return false;
+			}
+			return responseStr.contains(LOGIN_SUCCESS_MESSAGE);
+		} else {
+			return false;
+		}
 	}
 
 	public int uploadImage(String[] placeId, String baseUrl, String privateKey, String username, String image, StringBuilder sb) throws FailedVerificationException {
diff --git a/OsmAnd/src/net/osmand/plus/settings/backend/OsmandSettings.java b/OsmAnd/src/net/osmand/plus/settings/backend/OsmandSettings.java
index dfaaea9468..0d3cddb136 100644
--- a/OsmAnd/src/net/osmand/plus/settings/backend/OsmandSettings.java
+++ b/OsmAnd/src/net/osmand/plus/settings/backend/OsmandSettings.java
@@ -1171,6 +1171,9 @@ public class OsmandSettings {
 	public final OsmandPreference<String> OPR_USERNAME =
 			new StringPreference(this, "opr_username_secret", "").makeGlobal();
 
+	public final OsmandPreference<String> OPR_BLOCKCHAIN_NAME =
+			new StringPreference(this, "opr_blockchain_name", "").makeGlobal();
+
 	// this value boolean is synchronized with settings_pref.xml preference offline POI/Bugs edition
 	public final OsmandPreference<Boolean> OFFLINE_EDITION = new BooleanPreference(this, "offline_osm_editing", true).makeGlobal().makeShared();
 	public final OsmandPreference<Boolean> USE_DEV_URL = new BooleanPreference(this, "use_dev_url", false).makeGlobal().makeShared();