COMPUTING IN CONTEXT
WILLIAM MONGAN
June 29, 2022
1
THINGS WE’LL NEED
•
A quarter
•
A deck of cards
•
A phone book
•
Printouts from these slides
•
Strips of paper
•
Post-it notes (labeled by colo
r) and Po
ster Board, or the digital
Pixel
Pandemonium link
•
Mail-merged instruction sheets for pos
t-it notes (or a link
to a PDF)
2
ESTABLISHING
TRUST
“IT IS AN EQU
AL FAILING
TO TRUST EVERYBO
DY,
AND TO TRUST NOBODY.
”
–
ENGLISH PROVERB
“WHO DO
I TRUST? ME!”
-TONY MONTANA,
SCARFACE
3
HOW DO WE ESTABLISH MUTUAL TRUST ON THE
INTERNET?
•
Do you trust me?
How can you
be sure?
4
HOW DO WE ESTABLISH MUTUAL TRUST ON THE
INTERNET?
•
Do you trust me?
How can you
be sure?
•
… Do I trust
YOU
?
5
HOW DO WE ESTABLISH MUTUAL TRUST ON THE
INTERNET?
•
Do you trust me?
How can you
be sure?
•
… Do I trust
YOU
?
•
What happens when you need to trust someone, while also
establishing that
they can trust you?
•
What are some
examples of
this?
6
HOW DO WE ESTABLISH MUTUAL TRUST ON THE
INTERNET?
•
Let’s flip a coin:
how do you guess correctly
when you can’t see me flip the
coin?
7