[wolco2]

I would love to understand this in detail.

If you mined it once you get a hash. When you say you lost those coins you lost the hash to the account? When you mined in 2009 was the hash smaller than today? Is brute forcing possible?

[kovach]

They lost the private keys, and they are not brute forceable.

https://en.wikipedia.org/wiki/Elliptic_Curve_Digital_Signatu...