La criptografía aborda problemas del mundo real.
#Bitcoin es criptografía. 
Discussion
What do you mean by Bitcoin is encrypted?
Utiliza criptografía.
Ah, I might got what you were thinking. Bitcoin keys are encrypted.
Bitcoin uses cryptography in a multiple ways for sure but Bitcoin itself is not encrypted. All the senders, receivers and transactions are not encrypted and are recorded to public blockchain.
Así es, no dije que está encriptado, la traducción está mal.