Check out the configuration for a masked attack [0]. You could create a custom character set with the portion that you know and then brute the rest. You could t

Check out the configuration for a masked attack [0]. You could create a custom character set with the portion that you know and then brute the rest. You could then rent a p2.16xlarge [1] from AWS at about $15 per hour. If you know how much coin is in there you can do a cost/benefit analysis. [0] https://hashcat.net/wiki/doku.php?id=mask_attack#custom_charsets https://hashcat.net/wiki/doku.php?id=mask_attack#custom_char... [1] https://aws.amazon.com/ec2/instance-types/p2/ https://aws.amazon.com/ec2/instance-types/p2/