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diff --git a/packages/taler-wallet-cli/src/lint.ts b/packages/taler-wallet-cli/src/lint.ts
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+++ b/packages/taler-wallet-cli/src/lint.ts
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+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * Imports.
+ */
+import { Configuration } from "@gnu-taler/taler-util";
+
+/**
+ * Do some basic checks in the configuration of a Taler deployment.
+ */
+export function lintDeployment() {
+  const cfg = Configuration.load();
+  const currencyEntry = cfg.getString("taler", "currency");
+  let mainCurrency: string | undefined;
+
+  if (!currencyEntry.value) {
+    console.log("error: currency not defined in section TALER option CURRENCY");
+  } else {
+    mainCurrency = currencyEntry.value.toUpperCase();
+  }
+
+  if (mainCurrency === "KUDOS") {
+    console.log(
+      "warning: section TALER option CURRENCY contains toy currency value KUDOS",
+    );
+  }
+}