Update README.md

Author: geraldb

README.md

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+For more blockchain books, see the [**Best of Crypto Books page »**](https://openblockchains.github.io/crypto-books/)
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 # Programming Bitcoin Script Transaction (Crypto) Contracts Step-by-Step
 
 _Let's start with building your own bitcoin stack machine from zero / scratch and let's run your own bitcoin ops (operations)..._
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 is dedicated to the public domain.
 Use it as you please with no restrictions whatsoever.
 
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-For more blockchain books, see the [**Best of Crypto Books page »**](https://openblockchains.github.io/crypto-books/)