Manuel Blum

We thought about this for a while.

I'd say it was Louis Van On and Manuel Blum and myself who were thinking about this quite a bit at the beginning.

And that's kind of where CAPTURES came up.

The first CAPTCHA was called GIMPy.

Cryptog-" Like mixing randomness is actually one of the oldest problems in cryptography.

There's this old, very old paper called Coin Flipping by Telephone by Manuel Blum.

It's like in the 1970s, and he's like explaining how you can have a phone conversation and flip a random coin.

Like-