toHex('TT67rPNwgmpeimvHUMVzFfKsjL9GZ1wGw8'); //result: 41BBC8C05F1B09839E72DB044A6AA57E2A5D414A10 $tron->fromHex('41BBC8C05F1B09839E72DB044A6AA57E2A5D414A10'); //result: TT67rPNwgmpeimvHUMVzFfKsjL9GZ1wGw8