ARC update Now! Version 0.12.9.1

Dear friends!
Please update your wallets to the new version, 0.12.9.1!
You can download the wallet on the official website: https://advtech.group/#wallets

From the basic changes:
New protocol 70209
Optimized hash calculate.
Add 10% fee for promotion.

Masternode holders need to restart the nodes after update.