Agree, considering the links to old systems, references, books, quotes, and statements, his age seems right to me.
But.., also interesting that a few experts, including 2 authors of Satoshi books, actually think Fischer was too old for inventing Bitcoin (60yo in 2008)
But.., also interesting that a few experts, including 2 authors of Satoshi books, actually think Fischer was too old for inventing Bitcoin (60yo in 2008)