Use null instead of ""
MODIFY
WalletWasabi.Fluent/ViewModels/CoinControl/Core/CoinCoinControlItemViewModel.cs
WalletWasabi.Fluent/ViewModels/CoinControl/Core/CoinCoinControlItemViewModel.cs
@@ -12,7 +12,7 @@ internal class CoinCoinControlItemViewModel : CoinControlItemViewModelBase
IsBanned = smartCoin.IsBanned;
IsCoinjoining = smartCoin.CoinJoinInProgress;
ConfirmationStatus = $"{smartCoin.Height} confirmation{TextHelpers.AddSIfPlural(smartCoin.Height)}";
- BannedUntilUtcToolTip = smartCoin.BannedUntilUtc.HasValue ? $"Can't participate in coinjoin until: {smartCoin.BannedUntilUtc:g}" : "";
+ BannedUntilUtcToolTip = smartCoin.BannedUntilUtc.HasValue ? $"Can't participate in coinjoin until: {smartCoin.BannedUntilUtc:g}" : null;
AnonymityScore = (int) smartCoin.HdPubKey.AnonymitySet;
Labels = smartCoin.HdPubKey.Label;
BannedUntilUtc = smartCoin.BannedUntilUtc;

Use null instead of ""