I used https://github.com/katmagic/Shallot https://github.com/katmagic/Shallot back then and it took 35221958203 attempts to find one with my chosen seven chara

I used https://github.com/katmagic/Shallot https://github.com/katmagic/Shallot back then and it took 35221958203 attempts to find one with my chosen seven characters. For the longer v3 .onions you'll want a different tool, this page mentions some and makes some estimates for finding increasing lengths of characters: https://www.jamieweb.net/blog/onionv3-vanity-address/ https://www.jamieweb.net/blog/onionv3-vanity-address/