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lib/server.js

@@ -942,9 +942,13 @@ WalletService.prototype._getUtxosForCurrentWallet = function(addresses, cb) {
       });
     },
     function(next) {
-      var fromTs = Math.floor(Date.now() / 1000) - 24 * 3600;
+      var now = Math.floor(Date.now() / 1000);
+      // Fetch latest broadcasted txs and remove any spent inputs from the
+      // list of UTXOs returned by the block explorer. This counteracts any out-of-sync
+      // effects between broadcasting a tx and getting the list of UTXOs.
+      // This is especially true in the case of having multiple instances of the block explorer.
       self.storage.fetchBroadcastedTxs(self.walletId, {
-        minTs: fromTs,
+        minTs: now - 24 * 3600,
         limit: 100
       }, function(err, txs) {
         if (err) return next(err);