The secret of CIA’s ‘Kryptos’ sculpture, unsolved for 35 years,
is up for sale.
The final 97 characters of the encrypted sculpture at CIA headquarters
have obsessed code breakers for decades.
Artist Jim Sanborn will auction off the solution on his 80th birthday.
I wish this wasn't the case so much, but I understand why. I just wish it was transferred more reliably to another custodian- even though a charity auction isn't the worst way.
The article is behind paywall, see parent's link.