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Cryptography

Op Ed: A Cryptographic Design Perspective of Blockchains: From Bitcoin to Ouroboros

How does one design a blockchain protocol? Back in 2013, while in Athens, I set out to design a non-proof-of-work-based blockchain protocol motivated by...

Understanding the Lightning Network, Part 2: Creating the Network

The Lightning Network is probably the most highly anticipated technological innovation to be deployed on top of Bitcoin. The payment layer, first proposed by...

Encrypted Chat Apps: Which is Best?

It’s been said that sending an email is like sending a postcard—you should assume that it’s viewable by many others. While this is true,...

What is a Bitcoin Address and How Do You Sign It?

Short Answer: A Bitcoin address is a unique number that “holds” bitcoin currency. You use the address to receive and send bitcoins.Medium Sized Answer:...

MaidSafe Makes Data Safe

If you can understand the organization of ants, you can understand MaidSafe.Alone, by itself, an ant is both vulnerable and easily marginalized. Yet when...
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