A new round starts with a number of cards equal to the amount of players plus one being drawn from the deck and placed in the middle of the table for all to see. (wolfsgamingblog.com)
For the most part, legacy addresses start with the number one, and are still commonly used by a large number of exchanges, wallets and Bitcoin companies. (cryptotimes.news)
You can link into contacts, but not by starting with their number, only their name. (techradar.com)