Circleversaries
Mandeep's Cabinet
Know Your Circle
Artificially Speaking
Blockchain Time Machine
100

He joined Circle and promptly made ethics cool again—building risk frameworks, launching a new Code of Conduct, and reminding us that compliance isn’t just checkboxes, it’s culture.

Who is Landon Geurkink?

100

Has a passion for watching e-sports, particularly League of Legends.

Who is Jo?

100

This constant, approximately equal to 3.14159, is essential in calculating the area of a circle.

What is pi?

100

This test, proposed in 1950, evaluates whether a machine can exhibit behavior indistinguishable from a human.

What is the Turing Test?

100

This algorithmic stablecoin crashed in 2022 along with its paired token Luna.

What is TerraUSD?

200

Since April 2022, he’s been building frameworks that keep Circle's risk reporting sharp and compliant all while he's also been a Ph.D. candidate pushing the boundaries of data science. Sleep? Optional. Impact? Predictable.

Who is Paul Djangang?

200

Ran the Chicago Marathon 2 years ago and is currently training for a half marathon!

Who is Rob?

200

This fictional movie involving a powerful tech company came out in 2017 starring Emma Watson and Tom Hanks.

What is The Circle?

200

DeepSeek has this use permission categorization at Circle.

What is banned?

200

This pseudonymous individual first came up with the idea of a smart contract on a blockchain.

Who is Nick Szabo?

300

He joined Circle’s Compliance Data & Technology team in May and is an avid Eagles fan.

Who is Kevin Mehta?

300

Worked at a nuclear power plant.

Who is Marlys?

300

This 1994 Elton John song from The Lion King is all about the circle of birth, life, and death.

What is "Circle of Life"?

300

This IBM computer famously defeated world chess champion Garry Kasparov in 1997.

What is Deep Blue?

300

This was the first digital asset pegged to a hard asset reserve.

What is E-gold?

400

He says “Cheers” instead of thanks and has a puppy named “Poppins”.

Who is Will Cullen?

400

Studied Law, enjoys travel, local cuisine, pilates and reading as many as 24 books in 12 months.

Who is Payal?

400

The dystopian 2013 novel-turned-film named The Circle was written by which author?

Dave Eggers

400

This individual coined the term "Artificial Intelligence” in the 1950s.

Who is John McCarthy?

400

This forum is where the term “HODL” originated from.

What is Bitcointalk?

500

He works in Security and his favorite college basketball team is Duke.

Who is Tim Titcomb?

500

Joined the United Airlines Million Miler Club after logging enough miles to circumnavigate the globe—multiple times.

Who is Julien?

500

Two circles that share the same center but have different radii are called this—not to be confused with stylish Venn diagrams.

What are concentric circles?

500

Skynet became sentient in the movie Terminator in this year.

What is 1997?

500

The first decentralized exchange for ERC-20 Tokens.

What is EtherDelta?