Based on the Bitcoin protocol, the blockchain database is shared by all nodes participating in a system. Upon joining the network, each connected computer receives a copy of the blockchain, which has records, and stands as proof of, every transaction ever executed.
Tyrion Lannister's shield during the battle on the Green Fork is a massive slab of heavy ironwood banded with steel. In Game of Thrones - A Telltale Games Series, House Forrester controls most of the wolfswood's ironwoods. Their seat, Ironrath, is located at the edge of the largest ironwood forest in Westeros.
âViserys Targaryen. The Iron Throne is the throne upon which the King of the Andals and the First Men sits, located in the Great Hall of the Red Keep in the city of King's Landing. Besides the King himself (or Lord Regent) only the Hand of the King may sit on the Iron Throne.