I think the designer's own words are a better summary of the problem solved: http://satoshi.nakamotoinstitute.org/emails/cryptography/11/ http://satoshi.nakamo

I think the designer's own words are a better summary of the problem solved: http://satoshi.nakamotoinstitute.org/emails/cryptography/11/ http://satoshi.nakamotoinstitute.org/emails/cryptography/11/ The magical thing is that you can actually know that the distributed system is consistent by how much work was performed.