user83973: I am new to Bitcoin and Blockchain and I am writing a thesis for my university about this topic. 
I have a general question about digital signatures, which are needed to verify a transaction. 
As far as I understood, for having a digital signature, one need to have a public verification key and a secret key.
Is the secret key equal to the private key which is needed to spend transactions.
Analog: Is the public verification key the same as the public key whose hash is the bitcoin adress ?
Thank you in advance. 

user63872: 
Is the secret key equal to the private key which is needed to spend transactions.

Yes 

Analog: Is the public verification key the same as the public key whose hash is the bitcoin adress ?

Yes, also correct. You’re on the right track :)

83973: <p>I am new to Bitcoin and Blockchain and I am writing a thesis for my university about this topic. </p>

<p>I have a general question about digital signatures, which are needed to verify a transaction. </p>

<p>As far as I understood, for having a digital signature, one need to have a public verification key and a secret key.</p>

<p>Is the secret key equal to the private key which is needed to spend transactions.</p>

<p>Analog: Is the public verification key the same as the public key whose hash is the bitcoin adress ?</p>

<p>Thank you in advance. </p>
 63872: <blockquote>
  <p>Is the secret key equal to the private key which is needed to spend transactions.</p>
</blockquote>

<p>Yes </p>

<blockquote>
  <p>Analog: Is the public verification key the same as the public key whose hash is the bitcoin adress ?</p>
</blockquote>

<p>Yes, also correct. You’re on the right track :)</p>
