The Crypto Castle is a three-story home in San Francisco where young tech workers eat, sleep, party, and plot the future of money.
A majority of the millennial tenants invest in bitcoin, a new kind of payment system that allows people to buy things and send money with anonymity. There are no banks or middlemen. Transactions are recorded on a digital ledger called a blockchain.
Cryptocurrencies (of which bitcoin is the most popular) have been on a tear. Bitcoin surged in value from about $200 per coin in 2015 to a record high of $16,623 per coin on December 7.
Some believe the digital payment system is headed for a bubble that's destined to pop.
"Over a half-dozen people in the time they've lived in my house have become millionaires as a result of crypto," said Jeremy Gardner, a 25-year-old entrepreneur and investor.
In 2015, Gardner, then-director of operations at Augur, a market forecasting tool that runs on the blockchain, put down a $20,000 deposit to rent the house. It's since become a landing pad for people working in the cryptocurrency space. Here's what it's like to live in the Crypto Castle.
SEE ALSO: Bitcoin just hit an all-time high — here's how you buy and sell it
The Crypto Castle is, by appearances, a fraternity-like space for young bitcoin investors.
![](http://static4.businessinsider.com/image/586c390ef10a9a99348b5967-400-300/the-crypto-castle-is-by-appearances-a-fraternity-like-space-for-young-bitcoin-investors.jpg)
Not everyone who lives here works in bitcoin tech, though any resident could pitch you on its merits. Some entrepreneurs moved in simply because they needed a place to crash.
![](http://static3.businessinsider.com/image/586c3923f10a9a1c008b6653-400-300/not-everyone-who-lives-here-works-in-bitcoin-tech-though-any-resident-could-pitch-you-on-its-merits-some-entrepreneurs-moved-in-simply-because-they-needed-a-place-to-crash.jpg)
In 2015, Gardner surveyed the city to find a house-slash-office for his startup, Augur. When he found a three-story home in an upscale neighborhood — located about a half-hour drive from Silicon Valley — he forked over the $20,000 rental deposit. The Crypto Castle was born.
![](http://static6.businessinsider.com/image/586c394df10a9a1c008b6656-400-300/in-2015-gardner-surveyed-the-city-to-find-a-house-slash-office-for-his-startup-augur-when-he-found-a-three-story-home-in-an-upscale-neighborhood--located-about-a-half-hour-drive-from-silicon-valley--he-forked-over-the-20000-rental-deposit-the-crypto-castle-was-born.jpg)
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