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Edited ch08_signatures.adoc with Atlas code editor

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@ -449,6 +449,8 @@ Bob waits to receive Alice's public nonce
essential: Bob must only give Alice the challenge scalar after Alice essential: Bob must only give Alice the challenge scalar after Alice
has committed to her public nonce. has committed to her public nonce.
++++
<p class="fix_tracking">
The interactive identity protocol described here matches part of Claus The interactive identity protocol described here matches part of Claus
Schnorr's original description, but it lacks two essential features we Schnorr's original description, but it lacks two essential features we
need for the decentralized Bitcoin network. The first of these is that need for the decentralized Bitcoin network. The first of these is that
@ -464,6 +466,8 @@ disagreement with every other node that did authenticate it. That's not
acceptable for a consensus system like Bitcoin. For Bitcoin to work, we acceptable for a consensus system like Bitcoin. For Bitcoin to work, we
need a protocol that doesn't require interaction between Alice and each need a protocol that doesn't require interaction between Alice and each
node that wants to authenticate her. node that wants to authenticate her.
</p>
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A simple technique, known as the Fiat-Shamir transform after its A simple technique, known as the Fiat-Shamir transform after its
discoverers, can turn the schnorr interactive identity protocol discoverers, can turn the schnorr interactive identity protocol