diff --git a/packages/taler-util/src/talerTypes.ts b/packages/taler-util/src/talerTypes.ts
index 4581f0b6a..fa544aeb6 100644
--- a/packages/taler-util/src/talerTypes.ts
+++ b/packages/taler-util/src/talerTypes.ts
@@ -609,7 +609,7 @@ export interface TipPlanchetDetail {
   /**
    * Coin's blinded public key.
    */
-  coin_ev: string;
+  coin_ev: CoinEnvelope;
 }
 
 /**
@@ -1307,17 +1307,6 @@ export const codecForMerchantRefundResponse =
       .property("refunds", codecForList(codecForMerchantRefundPermission()))
       .build("MerchantRefundResponse");
 
-export const codecForMerchantBlindSigWrapperV1 =
-  (): Codec<MerchantBlindSigWrapperV1> =>
-    buildCodecForObject<MerchantBlindSigWrapperV1>()
-      .property("blind_sig", codecForString())
-      .build("BlindSigWrapper");
-
-export const codecForMerchantTipResponseV1 = (): Codec<MerchantTipResponseV1> =>
-  buildCodecForObject<MerchantTipResponseV1>()
-    .property("blind_sigs", codecForList(codecForMerchantBlindSigWrapperV1()))
-    .build("MerchantTipResponseV1");
-
 export const codecForBlindSigWrapperV2 = (): Codec<MerchantBlindSigWrapperV2> =>
   buildCodecForObject<MerchantBlindSigWrapperV2>()
     .property("blind_sig", codecForBlindedDenominationSignature())
diff --git a/packages/taler-wallet-cli/src/harness/harness.ts b/packages/taler-wallet-cli/src/harness/harness.ts
index b24e828bf..f4e422690 100644
--- a/packages/taler-wallet-cli/src/harness/harness.ts
+++ b/packages/taler-wallet-cli/src/harness/harness.ts
@@ -1894,9 +1894,11 @@ export class MerchantService implements MerchantServiceInterface {
       default_max_deposit_fee:
         instanceConfig.defaultMaxDepositFee ??
         `${this.merchantConfig.currency}:1.0`,
-      default_wire_transfer_delay: instanceConfig.defaultWireTransferDelay ?? {
-        d_ms: "forever",
-      },
+      default_wire_transfer_delay:
+        instanceConfig.defaultWireTransferDelay ??
+        Duration.fromSpec({
+          days: 1,
+        }),
       default_pay_delay: instanceConfig.defaultPayDelay ?? { d_ms: "forever" },
     });
   }
diff --git a/packages/taler-wallet-core/src/crypto/cryptoTypes.ts b/packages/taler-wallet-core/src/crypto/cryptoTypes.ts
index 94abb8f7c..00a7fba81 100644
--- a/packages/taler-wallet-core/src/crypto/cryptoTypes.ts
+++ b/packages/taler-wallet-core/src/crypto/cryptoTypes.ts
@@ -110,7 +110,7 @@ export interface DeriveTipRequest {
  */
 export interface DerivedTipPlanchet {
   blindingKey: string;
-  coinEv: string;
+  coinEv: CoinEnvelope;
   coinEvHash: string;
   coinPriv: string;
   coinPub: string;
diff --git a/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts b/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
index f9cc63ecc..d96e83058 100644
--- a/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
+++ b/packages/taler-wallet-core/src/crypto/workers/cryptoImplementation.ts
@@ -229,11 +229,16 @@ export class CryptoImplementation {
     const denomPub = decodeCrock(req.denomPub.rsa_public_key);
     const coinPubHash = hash(fc.coinPub);
     const ev = rsaBlind(coinPubHash, fc.bks, denomPub);
-
+    const coinEv = {
+      cipher: DenomKeyType.Rsa,
+      rsa_blinded_planchet: encodeCrock(ev),
+    };
     const tipPlanchet: DerivedTipPlanchet = {
       blindingKey: encodeCrock(fc.bks),
-      coinEv: encodeCrock(ev),
-      coinEvHash: encodeCrock(hash(ev)),
+      coinEv,
+      coinEvHash: encodeCrock(
+        hashCoinEv(coinEv, encodeCrock(hashDenomPub(req.denomPub))),
+      ),
       coinPriv: encodeCrock(fc.coinPriv),
       coinPub: encodeCrock(fc.coinPub),
     };
diff --git a/packages/taler-wallet-core/src/operations/tip.ts b/packages/taler-wallet-core/src/operations/tip.ts
index 039fb64a1..cc2d71ef4 100644
--- a/packages/taler-wallet-core/src/operations/tip.ts
+++ b/packages/taler-wallet-core/src/operations/tip.ts
@@ -27,13 +27,11 @@ import {
   NotificationType,
   TipPlanchetDetail,
   TalerErrorCode,
-  codecForMerchantTipResponseV1,
   Logger,
   URL,
   DenomKeyType,
   BlindedDenominationSignature,
   codecForMerchantTipResponseV2,
-  MerchantProtocolVersion,
 } from "@gnu-taler/taler-util";
 import { DerivedTipPlanchet } from "../crypto/cryptoTypes.js";
 import {