Saving Satoshi

Chapters

Explore the mysteries of Satoshi and learn about Bitcoin along the way.

We’re excited for you to dive in. Note that some challenges require basic programming experience (tips are available). Give it a try and share your feedback

Chapter 1

Secrets in plain sight

The year is 2139. The last bitcoin is two weeks from being mined. For months, a clock has ticked down in Satoshi Square. The world awaits the last block. Then, suddenly, the network grinds to a halt.

chapter_one.title

Chapter 2

Hashing out a plan

Loading...
chapter_two.title

Chapter 3

The 51% Attack

Loading...
chapter_three.title

Chapter 4

Claiming your 6.1 bitcoin

Loading...
chapter_four.title

Chapter 5

The keyholder

Loading...
chapter_five.title

Chapter 6

Offense is the best defense

Loading...
chapter_six.title

Chapter 7

Twentyone

Loading...
chapter_seven.title

Chapter 8

A matter of sustainability

Loading...
chapter_eight.title

Chapter 9

Don't compute, verify.

Loading...
chapter_nine.title

Chapter 10

10 billion connections

Loading...
chapter_ten.title

An open-source production by the bitcoin community.

Check the code