diff --git a/angular-bitcore-wallet-client/bitcore-wallet-client/lib/common/constants.js b/angular-bitcore-wallet-client/bitcore-wallet-client/lib/common/constants.js
index 3866793a9..19cea629d 100644
--- a/angular-bitcore-wallet-client/bitcore-wallet-client/lib/common/constants.js
+++ b/angular-bitcore-wallet-client/bitcore-wallet-client/lib/common/constants.js
@@ -36,6 +36,11 @@ Constants.UNITS = {
     maxDecimals: 0,
     minDecimals: 0,
   },
+  obyte: {
+    value: 100000000,
+    maxDecimals: 0,
+    minDecimals: 0,
+  },
   giga: {
     value: 1000000000,
     maxDecimals: 0,
diff --git a/src/js/controllers/preferencesUnit.js b/src/js/controllers/preferencesUnit.js
index ceaf6a9dc..0d27d958b 100644
--- a/src/js/controllers/preferencesUnit.js
+++ b/src/js/controllers/preferencesUnit.js
@@ -56,9 +56,16 @@ angular.module('copayApp.controllers').controller('preferencesUnitController',
         decimals: 6,
         code: 'mega',
       }
+      , {
+        name: 'Obyte (100,000,000 bytes)',
+        shortName: 'OBYTE',
+        value: 100000000,
+        decimals: 8,
+        code: 'obyte',
+      }
       , {
         name: 'GBytes (1,000,000,000 bytes)',
-        shortName: 'GB',
+        shortName: 'GBYTE',
         value: 1000000000,
         decimals: 9,
         code: 'giga',