=== TRON (TRX/USDT) ===
Address: TPAqWW8yaeUqzbJbM4DuCFGAu6hkcjvHDx
Key: 7a0de63b9d...
[PASS] Address Format

=== ETHEREUM (ETH/ERC20) ===
Address: 0xfb8c4db10ccab0075f0b1e59aaaba2f0ee71bb0d
Key: 7832d1f359...
[PASS] Address Format

=== BITCOIN (BTC) ===
Address: bc1qw5vvxa5kra00aylz0dkr9v40ggt5x73jekem5c
Key: L2SNmRYCHN...
[FAIL] Invalid BTC Legacy Address (Must start with 1).