How to: establish proof-of-existence on the bitcoin blockchain

Want to prove something happened at a particular point in time? Here’s how to do it with bitcoin.…

Added 1 year ago

Does Quantum Computing threaten crypto?

Bitcoin is built on strong cryptography, but Quantum Computing could crack it like a walnut. Is this an issue for…

Added 1 year ago

Bittylicious on transaction malleability

This blog post comes courtesy of Marc Warne. Marc runs UK peer-to-peer exchange Bittylicious, which provided me with my first…

Added 1 year ago

BitShares SmartCoins. They might be smart, but are they really stable?

BitShares is releasing a series of ‘pegged’ coins that are supposed to be immune from crypto’s signature volatility. But can…

Added 1 year ago

What happens when you spend bitcoins?

Bitcoin is a form of money unlike any other you’ve seen. Forget your preconceptions about cash: here’s (roughly) what’s really…

Added 1 year ago

Cameron doesn't do cryptography

Former UK Prime Minister Tony Blair famously ‘didn’t do God’. Current PM David Cameron, it seems, doesn’t do cryptography.…

Added 1 year ago

Ransom!

A recent study found that ransomware - sophisticated malware that encrypts files and releases them only on payment - has…

Added 1 year ago

Trustonic: secure smartphone OS and key handling

Hardware wallets are cool, but they’re another device to carry and maintain. What if you could have the security of…

Added 1 year ago

Spotlight on: Sidechains

If you’ve been in the bitcoin space a while you’ll have heard of sidechains… and probably not understood them. What’s…

Added 1 year ago

Bitcoin security (video)

Bitcoin's security is rock-solid - if you look after your private keys properly.…

Added over 2 years ago

How to create really cold storage

You might have heard of cold storage: the practice of holding bitcoins ‘offline’ to keep them secure. Whilst it’s convenient…

Added over 2 years ago

Tor tutorial

A lot of bitcoiners use Tor, a browser that protects users’ anonymity by encrypting traffic and bouncing it around multiple…

Added over 2 years ago