Post
Topic
Board Development & Technical Discussion
Merits 8 from 3 users
Re: My own Bitcoin WIF Missing Characters Help
by
j2002ba2
on 21/08/2022, 18:24:17 UTC
⭐ Merited by hugeblack (4) ,NotATether (2) ,ETFbitcoin (2)
hello there
i have my own bitcoin address and public key and a WIF recognized as invalid
this txt file was old and recovered from my old HDD
i assume that the wif has more than 19 missing characters at known positions
is there is any chances that i can recover it ??
any guiding help will be appreciated Smiley

The Missing Characters ( Replaced By * ) Are as Follows :
5HpHagT65TZzG1P*********************EB3kEsreAnchuDf

Assuming you manage to tweak Pollard Kangaroo (don't know if it's possible, looks kinda tricky), here are the expected run times and cost (on-demand, spot instance could be 1/3rd of the price) when using AWS GPU instance p3.8xlarge (4x V100):
MC - missing characters, bits - equivalent missing bits
|MC|bits|ETA|$|
|14|82|00:11:17|2|
|15|88|01:25:53|18|
|16|94|10:54:07|133|
|17|100|3d 11:01:37|1,016|
|18|105|26d 08:18:52|7,740|
|19|111|200 days|58,942|
|20|117|4 years 68 days|448,893|
|21|123|32 years|3,418,664|
|22|129|242 years|26,035,770|
|23|135|1849 years|198,282,544|
|24|141|14083 years|1,510,074,752|