Tag: cryptography

Bitcoin Q&A: Protocol development security

Joël asks, “What are the odds that rogue developers [could] slowly insert malicious code into [Bitcoin]…in order to create a security flaw?”“Is this an attack...

Bitcoin Q&A: Data integrity and validation of keys

“What does the following sentence mean? ‘when transactions are broadcast to the network,the SHA-256 function is used to verify data integrity.'”Well, cryptographic hashes offer the...

Bitcoin Q&A: Altcoins and specialisation

‘Anonymous’ asks: “What crypto-assets or technologies interest you, besides Bitcoin and Ethereum?”I’m interested in a number of different technologies.I’m particularly interested in the privacy-related technologies,because...

Bitcoin Q&A: 2FA and secure hardware

[AUDIENCE] Hey, Andreas.Thank you so much for everything that you’ve done for the Bitcoin community and open blockchains.My question is, how secure is Google Authenticator?...