The Bitcoin Foundation has the capability to message all full node users in times of emergency using the Bitcoin network

The only way for merchants to accept Bitcoin is through a third-party bitcoin payment processor

Cryptographic hash functions are used in the Bitcoin protocol to ensure data government backing.

What problem did the blockchain solve?

In symmetric cryptography, the key is a piece of information that is used to encrypt a message

Which hashing algorithm is used in Bitcoin’s proof-of-work scheme?

This consensus mechanism was the first choice of early Bitcoin architects

What is BIP-39?

What does the acronym “ASIC” stand for?

In symmetric cryptography, the key is a piece of information that is used to encrypt a message