diff --git a/backend/migrations/seed_data.sql b/backend/migrations/seed_data.sql
index 6afb983..1bcb12e 100644
--- a/backend/migrations/seed_data.sql
+++ b/backend/migrations/seed_data.sql
@@ -877,44 +877,37 @@ ON CONFLICT (id) DO NOTHING;
 -- ---------------------------------------------------------------------------
 -- 16. ADDRESS MAPPINGS (for users with KYC >= 1)
 -- ---------------------------------------------------------------------------
-INSERT INTO address_mappings (user_id, chain_address, signature, created_at) VALUES
+INSERT INTO address_mappings (user_id, internal_address, chain_address, chain_type, created_at) VALUES
 
 ('a0000000-0002-4000-8000-000000000002',
- '0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b',
- 'sig_issuer_coffee_v1',
+ 'genex:issuer_coffee', '0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b', 'evm',
  NOW() - INTERVAL '148 days'),
 
 ('a0000000-0003-4000-8000-000000000003',
- '0x2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c',
- 'sig_issuer_cinema_v1',
+ 'genex:issuer_cinema', '0x2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c', 'evm',
  NOW() - INTERVAL '118 days'),
 
 ('a0000000-0004-4000-8000-000000000004',
- '0x3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d',
- 'sig_mm_alpha_v1',
+ 'genex:mm_alpha', '0x3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d', 'evm',
  NOW() - INTERVAL '98 days'),
 
 ('a0000000-0005-4000-8000-000000000005',
- '0x4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e',
- 'sig_zhangwei_v1',
+ 'genex:zhangwei', '0x4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e', 'evm',
  NOW() - INTERVAL '85 days'),
 
 ('a0000000-0006-4000-8000-000000000006',
- '0x5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f',
- 'sig_lina_v1',
+ 'genex:lina', '0x5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f', 'evm',
  NOW() - INTERVAL '70 days'),
 
 ('a0000000-0007-4000-8000-000000000007',
- '0x6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a',
- 'sig_wangfang_v1',
+ 'genex:wangfang', '0x6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a', 'evm',
  NOW() - INTERVAL '58 days'),
 
 ('a0000000-0010-4000-8000-000000000010',
- '0x7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b',
- 'sig_zhaoxue_v1',
+ 'genex:zhaoxue', '0x7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b', 'evm',
  NOW() - INTERVAL '50 days')
 
-ON CONFLICT (user_id) DO NOTHING;
+ON CONFLICT (id) DO NOTHING;
 
 
 -- ---------------------------------------------------------------------------