diff --git a/config.toml.example b/config.toml.example
index 68051a4..3e4d0e8 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -4,6 +4,7 @@
 [[SERVERS]]
   SERVER_ID = ""
   OUTPUT_CHANNEL_ID = ""
+  ALLOW_DUPLICATES = false
   PREFIX_ENABLED = true
   SERVER_ID_ENABLED = false
   CHANNEL_ID_ENABLED = true
@@ -18,6 +19,7 @@
   SERVER_ID = ""
   OUTPUT_CHANNEL_ID = ""
   PREFIX_ENABLED = false 
+  ALLOW_DUPLICATES = false
   SERVER_ID_ENABLED = false
   CHANNEL_ID_ENABLED = true
   MESSAGE_LINK_ENABLED = false
diff --git a/main.go b/main.go
index 77c3e63..e7bb4b3 100644
--- a/main.go
+++ b/main.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"regexp"
+	"strings"
 
 	"github.com/BurntSushi/toml"
 	"github.com/bwmarrin/discordgo"
@@ -129,14 +130,15 @@ func checkMessageContent(s *discordgo.Session, server ServerConfig, m *discordgo
 		match := regex.FindStringSubmatch(m.Content)
 		if len(match) > 0 {
 			matchedAddress := match[0]
+			matchedAddress = strings.TrimSpace(matchedAddress)
 			message := formatMessage(server, coin, m.Author.Username, matchedAddress, serverName, m)
 
-			if !server.AllowDuplicates && MessageHistory[server.ServerID].ContainsItem(message) {
+			if !server.AllowDuplicates && MessageHistory[server.ServerID].ContainsItem(matchedAddress) {
 				return 
 			}
 
 			s.ChannelMessageSend(server.OutputChannelID, message)
-			MessageHistory[server.ServerID].Add(message)
+			MessageHistory[server.ServerID].Add(matchedAddress)
 		}
 	}
 }
@@ -148,14 +150,15 @@ func checkEmbeds(s *discordgo.Session, server ServerConfig, m *discordgo.Message
 				match := regex.FindStringSubmatch(embed.Description)
 				if len(match) > 0 {
 					matchedAddress := match[0]
+					matchedAddress = strings.TrimSpace(matchedAddress)
 					message := formatMessage(server, coin, m.Author.Username, matchedAddress, serverName, m)
 
-					if !server.AllowDuplicates && MessageHistory[server.ServerID].ContainsItem(message) {
+					if !server.AllowDuplicates && MessageHistory[server.ServerID].ContainsItem(matchedAddress) {
 						return 
 					}
 
 					s.ChannelMessageSend(server.OutputChannelID, message)
-					MessageHistory[server.ServerID].Add(message)
+					MessageHistory[server.ServerID].Add(matchedAddress)
 				}
 			}
 		}