diff --git a/src/ExchangeSharp/API/Exchanges/BinanceGroup/BinanceGroupCommon.cs b/src/ExchangeSharp/API/Exchanges/BinanceGroup/BinanceGroupCommon.cs
index 8d7ea26d..4bc3d9aa 100644
--- a/src/ExchangeSharp/API/Exchanges/BinanceGroup/BinanceGroupCommon.cs
+++ b/src/ExchangeSharp/API/Exchanges/BinanceGroup/BinanceGroupCommon.cs
@@ -101,9 +101,11 @@ public async Task<IEnumerable<ExchangeOrderResult>> GetMyTradesAsync(string? mar
 
 		protected override async Task<IReadOnlyDictionary<string, ExchangeCurrency>> OnGetCurrenciesAsync()
 		{
-			var result = await MakeJsonRequestAsync<List<Currency>>("/capital/config/getall", BaseUrlSApi);
+			Dictionary<string, object> payload = await GetNoncePayloadAsync();
+			var result = await MakeJsonRequestAsync<List<Currency>>("/capital/config/getall", BaseUrlSApi, payload);
 
-			return result.ToDictionary(x => x.AssetCode, x => new ExchangeCurrency
+			return result.Where(x => !string.IsNullOrWhiteSpace(x.AssetCode))
+				.ToDictionary(x => x.AssetCode, x => new ExchangeCurrency
 			{
 				Name = x.AssetCode,
 				FullName = x.AssetName,
diff --git a/src/ExchangeSharp/API/UPbit/ExchangeUPbitAPI.cs b/src/ExchangeSharp/API/Exchanges/UPbit/ExchangeUPbitAPI.cs
similarity index 100%
rename from src/ExchangeSharp/API/UPbit/ExchangeUPbitAPI.cs
rename to src/ExchangeSharp/API/Exchanges/UPbit/ExchangeUPbitAPI.cs