Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The tangle is a directed acyclic graph (DAG) that requires every incoming transaction to verify two unapproved transactions in order to successfully attach to the graph. White squares represent approved transactions, while gray squares represent unapproved transactions.
