
Capitalizations Index – B ∞/21M

Accessing and spending bitcoin depends on control of the private key. Without the key, funds can’t be moved; anyone who holds it can authorize transactions. Secure storage is essential to prevent loss or theft.
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Lecture 4 — How to Store and Use Bitcoins Fourth lecture of the bitcoin and cryptocurrency technologies online course. For the accompanying textbook, including the free draft version, see: http://bitcoinbook.cs.princeton.edu/ In this lecture (click the […]