How distributed ledgers reach agreement, what a block contains, when a transaction becomes final, and which guarantees a chain does not provide.
Summer Mersinger is out, Kristin Smith is back as interim CEO, and the handover lands on October 16 — here is how to read the shift without the spin.
Strip away the jargon: a blockchain is a shared record book that thousands of computers keep copies of, and that is what makes it hard to quietly rewrite.
A Korean bank settled a $100 million bond the same day it was issued. Here is how same-day settlement works and what it changes.
A plain-English look at the code that runs itself on a blockchain — and why that automation cuts both ways.
A public blockchain lets anyone read, use and verify the record; a private one restricts membership — the public vs private blockchain choice is about access…