diff --git a/include/transaction.h b/include/transaction.h
index 3544a48..ee407e0 100644
--- a/include/transaction.h
+++ b/include/transaction.h
@@ -9,7 +9,7 @@ struct Transaction
     uint32_t amount = 0;
     time_t time = 0;
 
-    Transaction();
-    Transaction(const std::string &from_str, const std::string &to_str, uint32_t amount, time_t time);
-    Transaction(const std::string &from_str, const std::string &to_str, uint32_t amount);
+    Transaction() noexcept;
+    Transaction(const std::string &from_str, const std::string &to_str, uint32_t amount, time_t time) noexcept;
+    Transaction(const std::string &from_str, const std::string &to_str, uint32_t amount) noexcept;
 };
diff --git a/src/transaction.cpp b/src/transaction.cpp
index 5d45af7..ebf35ef 100644
--- a/src/transaction.cpp
+++ b/src/transaction.cpp
@@ -1,5 +1,5 @@
 #include "transaction.h"
 
-Transaction::Transaction() = default;
-Transaction::Transaction(const std::string &from_str, const std::string &to_str, uint32_t amount, time_t time_val) : from(from_str), to(to_str), amount(amount), time(time_val) {}
-Transaction::Transaction(const std::string &from_str, const std::string &to_str, uint32_t amount) : from(from_str), to(to_str), amount(amount) { time = std::time(NULL); }
\ No newline at end of file
+Transaction::Transaction() noexcept = default;
+Transaction::Transaction(const std::string &from_str, const std::string &to_str, uint32_t amount, time_t time_val) noexcept : from(from_str), to(to_str), amount(amount), time(time_val) {}
+Transaction::Transaction(const std::string &from_str, const std::string &to_str, uint32_t amount) noexcept : from(from_str), to(to_str), amount(amount) { time = std::time(NULL); }
\ No newline at end of file