A Merkle tree secures a list of messages similarly to the way a hash value secures a single message. This post shows how.
Malware disguised as an Electrum wallet can lead to catastrophic losses. Protect yourself on OSX with this step-by-step guide.
Unique identifiers are used a lot in Bitcoin. Here's how they're made.
Numerical encoding plays an important role in many of Bitcoin's systems. Learn the basics here.
Signed messages are well and good, but securely transferring ownership of a coin requires a regular format.
A user transfers ownership of a coin to another user by publishing a digitally-signed message.
The security of a digital coin depends on identifying every previous owner.
If you wish to make an electronic cash system from scratch, you must first invent a digital coin.
Using the block chain to predict exchange rate movements is tricky business.
Electronic coins and paper bank notes are commonplace. Meet the digital counterpart.