this is very interesting.

In 2011, my friend told me about Bitcoin. I didn’t know much, but it sound cool. So, I bought 100 BTC from him for $2.35 each.

I used a 15-character password from a password generator. It looked strong. I write the passphrase in a paper… but in January 2012, I lost the passphrase.

I thought Btc price won't go too much, but it's rises and rises.

In 2024, I decided to recover my btc anyhow. So, I start learning about Blueforce. Fortunately , I remembered the pattern of my passphrase, 1st and last letter.

I have tried various kind of programmes to speed up bluteforce. I even wrote a small programs to test passwords with my GPU I thought might work.

the day before yesterday, I finally recovered my password.

I copied the password, opened the wallet… It worked.

My 100 BTC were still there.

25 BTC moving tx - 02d7f697386180d9a995c8f3b7b142a56f00456d2129625c30bab7ca87044f42

Lastly: Don’t lose your passphrase.