Grammar errors, my friend.
I'm glad you were so specific.
I'm sorry! Just got to work. Here's a glaring example:
Page 8 - Introduction
"Moreover, during the design of the application, the security features of the Bitcoin network and infrastructure is to be analysed."
it should be
Moreover, during the design of the application, the security features of the Bitcoin network and infrastructure
are to be analysed.
edit:
Page 10 - 2.1
"Cryptography is the discipline of writing a message in ciphertext with the aim
of protecting a secret from malicious or unauthorised parties."
"Professional cryptography protects not only the plaintext, but also the key and
the cryptosystem as a whole."
2.1.1
Encryption and decryption algorithms focusing on
the mapping of plaintext into ciphertext and vice versa [1], used mainly to ensure data confidentiality.