Quick question... is a signed message required for each tx, Or can a single signature be valid for example 2 weeks?
Your signature just proves you are the owner of your wallet.
-----BEGIN BITCOIN SIGNED MESSAGE-----
This is tinytrader from bitcointalk.org and today is 2017.10.12
Current time is 12:48 AM (GMT+6)
-----BEGIN SIGNATURE-----
1Ktw2SdejWZxhszRdrYgqpxU6YEwAvZ6du
H+4Oe8biVNjyRfyDtQF+XcFxkWI3hyMVx3vXJRTA0ZMSSuAbjq0VhZa0JHi2IxGnnS5Sa0tRm/VcMSz33FOx0cg=
-----END BITCOIN SIGNED MESSAGE-----
This is tinytrader from bitcointalk.org and today is 2017.10.12
Current time is 12:48 AM (GMT+6)
-----BEGIN SIGNATURE-----
1Ktw2SdejWZxhszRdrYgqpxU6YEwAvZ6du
H+4Oe8biVNjyRfyDtQF+XcFxkWI3hyMVx3vXJRTA0ZMSSuAbjq0VhZa0JHi2IxGnnS5Sa0tRm/VcMSz33FOx0cg=
-----END BITCOIN SIGNED MESSAGE-----
Message verified to be from 1Ktw2SdejWZxhszRdrYgqpxU6YEwAvZ6du
Thanks for the info~