diff --git a/src/services/message-validator.ts b/src/services/message-validator.ts
index 7a2e7b3..8247311 100644
--- a/src/services/message-validator.ts
+++ b/src/services/message-validator.ts
@@ -16,7 +16,7 @@ export interface WebSocketMessage {
 
 export class MessageValidator {
   private static instance: MessageValidator;
-  private maxMessageSize = 1024 * 1024; // 1MB
+  private maxMessageSize = 50 * 1024 * 1024; // 50MB for large handshake messages
   private maxStringLength = 100000; // Increased for large handshake messages
   private allowedFlags = ['Handshake', 'NewTx', 'Cipher', 'Commit'];