From d4d67c48dc8b5aba2f3421d8113c314ca7584374 Mon Sep 17 00:00:00 2001
From: 0xFFFC0000 <0xFFFC0000@proton.me>
Date: Mon, 19 Jan 2026 20:44:09 +0000
Subject: [PATCH] multisig: fix kex failure in monero-gen-trusted-multisig

---
 src/gen_multisig/gen_multisig.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/gen_multisig/gen_multisig.cpp b/src/gen_multisig/gen_multisig.cpp
index eedd1511d..dfe5a70eb 100644
--- a/src/gen_multisig/gen_multisig.cpp
+++ b/src/gen_multisig/gen_multisig.cpp
@@ -125,11 +125,16 @@ static bool generate_multisig(uint32_t threshold, uint32_t total, const std::str
     wallets[0]->multisig(&ready);
     while (!ready)
     {
+      std::vector<std::string> kex_msgs_for_round(total);
+
       for (size_t n = 0; n < total; ++n)
       {
-          kex_msgs_intermediate[n] = wallets[n]->exchange_multisig_keys(pwd_container->password(), kex_msgs_intermediate);
+          kex_msgs_for_round[n] = wallets[n]->exchange_multisig_keys(pwd_container->password(), kex_msgs_intermediate);
       }
 
+      // Update messages for next round
+      kex_msgs_intermediate = kex_msgs_for_round;
+
       wallets[0]->multisig(&ready);
     }