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.

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Chapter 2

Hashing out a plan

Complete Chapter 1 to unlock.

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Chapter 3

The 51% Attack

Coming soon. Hang tight.

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Chapter 4

Will the real Satoshi please stand up?

Coming soon. Hang tight.

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Chapter 5

The keyholder

Coming soon. Hang tight.

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Chapter 6

Offense is the best defense

Coming soon. Hang tight.

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Chapter 7

Twentyone

Coming soon. Hang tight.

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Chapter 8

A matter of sustainability

Coming soon. Hang tight.

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Chapter 9

Don't compute, verify.

Coming soon. Hang tight.

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Chapter 10

10 billion connections

Coming soon. Hang tight.

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An open-source production by the bitcoin community.